feat: add flow_id and drop_if_exists to DropFlowExpr (#164)

* feat: add `flow_id` and `drop_if_exists` to `DropFlowExpr`

* chore: apply suggestions from CR

* chore: generate code

c++/greptime/v1/ddl.pb.cc

@@ -73,6 +73,8 @@ PROTOBUF_CONSTEXPR DropFlowExpr::DropFlowExpr(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.catalog_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
   , /*decltype(_impl_.flow_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
+  , /*decltype(_impl_.flow_id_)*/nullptr
+  , /*decltype(_impl_.drop_if_exists_)*/false
   , /*decltype(_impl_._cached_size_)*/{}} {}
 struct DropFlowExprDefaultTypeInternal {
   PROTOBUF_CONSTEXPR DropFlowExprDefaultTypeInternal()
@@ -316,6 +318,19 @@ struct TableIdDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TableIdDefaultTypeInternal _TableId_default_instance_;
+PROTOBUF_CONSTEXPR FlowId::FlowId(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.id_)*/0u
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct FlowIdDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR FlowIdDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~FlowIdDefaultTypeInternal() {}
+  union {
+    FlowId _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 FlowIdDefaultTypeInternal _FlowId_default_instance_;
 PROTOBUF_CONSTEXPR ColumnDef::ColumnDef(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
@@ -351,7 +366,7 @@ struct AddColumnLocationDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 AddColumnLocationDefaultTypeInternal _AddColumnLocation_default_instance_;
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fddl_2eproto[22];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fddl_2eproto[23];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fddl_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fddl_2eproto = nullptr;
 
@@ -404,6 +419,8 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DropFlowExpr, _impl_.catalog_name_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::DropFlowExpr, _impl_.flow_name_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::DropFlowExpr, _impl_.flow_id_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::DropFlowExpr, _impl_.drop_if_exists_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -555,6 +572,13 @@ const uint32_t TableStruct_greptime_2fv1_2fddl_2eproto::offsets[] PROTOBUF_SECTI
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::TableId, _impl_.id_),
   ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::FlowId, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::FlowId, _impl_.id_),
+  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::ColumnDef, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -581,24 +605,25 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 14, 22, -1, sizeof(::greptime::v1::CreateFlowExpr_FlowOptionsEntry_DoNotUse)},
   { 24, -1, -1, sizeof(::greptime::v1::CreateFlowExpr)},
   { 40, -1, -1, sizeof(::greptime::v1::DropFlowExpr)},
-  { 48, 56, -1, sizeof(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse)},
+  { 50, 58, -1, sizeof(::greptime::v1::CreateTableExpr_TableOptionsEntry_DoNotUse)},
-  { 58, -1, -1, sizeof(::greptime::v1::CreateTableExpr)},
+  { 60, -1, -1, sizeof(::greptime::v1::CreateTableExpr)},
-  { 75, -1, -1, sizeof(::greptime::v1::AlterExpr)},
+  { 77, -1, -1, sizeof(::greptime::v1::AlterExpr)},
-  { 89, -1, -1, sizeof(::greptime::v1::DropTableExpr)},
+  { 91, -1, -1, sizeof(::greptime::v1::DropTableExpr)},
-  { 100, 108, -1, sizeof(::greptime::v1::CreateDatabaseExpr_OptionsEntry_DoNotUse)},
+  { 102, 110, -1, sizeof(::greptime::v1::CreateDatabaseExpr_OptionsEntry_DoNotUse)},
-  { 110, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
+  { 112, -1, -1, sizeof(::greptime::v1::CreateDatabaseExpr)},
-  { 120, -1, -1, sizeof(::greptime::v1::TruncateTableExpr)},
+  { 122, -1, -1, sizeof(::greptime::v1::TruncateTableExpr)},
-  { 130, -1, -1, sizeof(::greptime::v1::DropDatabaseExpr)},
+  { 132, -1, -1, sizeof(::greptime::v1::DropDatabaseExpr)},
-  { 139, -1, -1, sizeof(::greptime::v1::AddColumns)},
+  { 141, -1, -1, sizeof(::greptime::v1::AddColumns)},
-  { 146, -1, -1, sizeof(::greptime::v1::DropColumns)},
+  { 148, -1, -1, sizeof(::greptime::v1::DropColumns)},
-  { 153, -1, -1, sizeof(::greptime::v1::ChangeColumnTypes)},
+  { 155, -1, -1, sizeof(::greptime::v1::ChangeColumnTypes)},
-  { 160, -1, -1, sizeof(::greptime::v1::RenameTable)},
+  { 162, -1, -1, sizeof(::greptime::v1::RenameTable)},
-  { 167, -1, -1, sizeof(::greptime::v1::AddColumn)},
+  { 169, -1, -1, sizeof(::greptime::v1::AddColumn)},
-  { 175, -1, -1, sizeof(::greptime::v1::ChangeColumnType)},
+  { 177, -1, -1, sizeof(::greptime::v1::ChangeColumnType)},
-  { 184, -1, -1, sizeof(::greptime::v1::DropColumn)},
+  { 186, -1, -1, sizeof(::greptime::v1::DropColumn)},
-  { 191, -1, -1, sizeof(::greptime::v1::TableId)},
+  { 193, -1, -1, sizeof(::greptime::v1::TableId)},
-  { 198, -1, -1, sizeof(::greptime::v1::ColumnDef)},
+  { 200, -1, -1, sizeof(::greptime::v1::FlowId)},
-  { 211, -1, -1, sizeof(::greptime::v1::AddColumnLocation)},
+  { 207, -1, -1, sizeof(::greptime::v1::ColumnDef)},
+  { 220, -1, -1, sizeof(::greptime::v1::AddColumnLocation)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -622,6 +647,7 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::_ChangeColumnType_default_instance_._instance,
   &::greptime::v1::_DropColumn_default_instance_._instance,
   &::greptime::v1::_TableId_default_instance_._instance,
+  &::greptime::v1::_FlowId_default_instance_._instance,
   &::greptime::v1::_ColumnDef_default_instance_._instance,
   &::greptime::v1::_AddColumnLocation_default_instance_._instance,
 };
@@ -647,75 +673,78 @@ const char descriptor_table_protodef_greptime_2fv1_2fddl_2eproto[] PROTOBUF_SECT
   "\022\017\n\007comment\030\010 \001(\t\022\013\n\003sql\030\t \001(\t\022B\n\014flow_o"
   "ptions\030\n \003(\0132,.greptime.v1.CreateFlowExp"
   "r.FlowOptionsEntry\0322\n\020FlowOptionsEntry\022\013"
-  "\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"7\n\014DropFl"
+  "\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"u\n\014DropFl"
   "owExpr\022\024\n\014catalog_name\030\001 \001(\t\022\021\n\tflow_nam"
-  "e\030\002 \001(\t\"\207\003\n\017CreateTableExpr\022\024\n\014catalog_n"
+  "e\030\002 \001(\t\022$\n\007flow_id\030\003 \001(\0132\023.greptime.v1.F"
-  "ame\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_"
+  "lowId\022\026\n\016drop_if_exists\030\005 \001(\010\"\207\003\n\017Create"
-  "name\030\003 \001(\t\022\014\n\004desc\030\004 \001(\t\022+\n\013column_defs\030"
+  "TableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schem"
-  "\005 \003(\0132\026.greptime.v1.ColumnDef\022\022\n\ntime_in"
+  "a_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022\014\n\004desc"
-  "dex\030\006 \001(\t\022\024\n\014primary_keys\030\007 \003(\t\022\034\n\024creat"
+  "\030\004 \001(\t\022+\n\013column_defs\030\005 \003(\0132\026.greptime.v"
-  "e_if_not_exists\030\010 \001(\010\022E\n\rtable_options\030\t"
+  "1.ColumnDef\022\022\n\ntime_index\030\006 \001(\t\022\024\n\014prima"
-  " \003(\0132..greptime.v1.CreateTableExpr.Table"
+  "ry_keys\030\007 \003(\t\022\034\n\024create_if_not_exists\030\010 "
-  "OptionsEntry\022&\n\010table_id\030\n \001(\0132\024.greptim"
+  "\001(\010\022E\n\rtable_options\030\t \003(\0132..greptime.v1"
-  "e.v1.TableId\022\016\n\006engine\030\014 \001(\t\0323\n\021TableOpt"
+  ".CreateTableExpr.TableOptionsEntry\022&\n\010ta"
-  "ionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028"
+  "ble_id\030\n \001(\0132\024.greptime.v1.TableId\022\016\n\006en"
-  "\001\"\245\002\n\tAlterExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n"
+  "gine\030\014 \001(\t\0323\n\021TableOptionsEntry\022\013\n\003key\030\001"
-  "\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022."
+  " \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\245\002\n\tAlterExpr\022\024\n"
-  "\n\013add_columns\030\004 \001(\0132\027.greptime.v1.AddCol"
+  "\014catalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t"
-  "umnsH\000\0220\n\014drop_columns\030\005 \001(\0132\030.greptime."
+  "\022\022\n\ntable_name\030\003 \001(\t\022.\n\013add_columns\030\004 \001("
-  "v1.DropColumnsH\000\0220\n\014rename_table\030\006 \001(\0132\030"
+  "\0132\027.greptime.v1.AddColumnsH\000\0220\n\014drop_col"
-  ".greptime.v1.RenameTableH\000\022=\n\023change_col"
+  "umns\030\005 \001(\0132\030.greptime.v1.DropColumnsH\000\0220"
-  "umn_types\030\007 \001(\0132\036.greptime.v1.ChangeColu"
+  "\n\014rename_table\030\006 \001(\0132\030.greptime.v1.Renam"
-  "mnTypesH\000B\006\n\004kind\"\216\001\n\rDropTableExpr\022\024\n\014c"
+  "eTableH\000\022=\n\023change_column_types\030\007 \001(\0132\036."
-  "atalog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022"
+  "greptime.v1.ChangeColumnTypesH\000B\006\n\004kind\""
-  "\n\ntable_name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024.g"
+  "\216\001\n\rDropTableExpr\022\024\n\014catalog_name\030\001 \001(\t\022"
-  "reptime.v1.TableId\022\026\n\016drop_if_exists\030\005 \001"
+  "\023\n\013schema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t"
-  "(\010\"\314\001\n\022CreateDatabaseExpr\022\024\n\014catalog_nam"
+  "\022&\n\010table_id\030\004 \001(\0132\024.greptime.v1.TableId"
-  "e\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\034\n\024create_i"
+  "\022\026\n\016drop_if_exists\030\005 \001(\010\"\314\001\n\022CreateDatab"
-  "f_not_exists\030\003 \001(\010\022=\n\007options\030\004 \003(\0132,.gr"
+  "aseExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013schema_"
-  "eptime.v1.CreateDatabaseExpr.OptionsEntr"
+  "name\030\002 \001(\t\022\034\n\024create_if_not_exists\030\003 \001(\010"
-  "y\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030"
+  "\022=\n\007options\030\004 \003(\0132,.greptime.v1.CreateDa"
-  "\002 \001(\t:\0028\001\"z\n\021TruncateTableExpr\022\024\n\014catalo"
+  "tabaseExpr.OptionsEntry\032.\n\014OptionsEntry\022"
-  "g_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\022\n\ntab"
+  "\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"z\n\021Trunc"
-  "le_name\030\003 \001(\t\022&\n\010table_id\030\004 \001(\0132\024.grepti"
+  "ateTableExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n\013sc"
-  "me.v1.TableId\"U\n\020DropDatabaseExpr\022\024\n\014cat"
+  "hema_name\030\002 \001(\t\022\022\n\ntable_name\030\003 \001(\t\022&\n\010t"
-  "alog_name\030\001 \001(\t\022\023\n\013schema_name\030\002 \001(\t\022\026\n\016"
+  "able_id\030\004 \001(\0132\024.greptime.v1.TableId\"U\n\020D"
-  "drop_if_exists\030\003 \001(\010\"9\n\nAddColumns\022+\n\013ad"
+  "ropDatabaseExpr\022\024\n\014catalog_name\030\001 \001(\t\022\023\n"
-  "d_columns\030\001 \003(\0132\026.greptime.v1.AddColumn\""
+  "\013schema_name\030\002 \001(\t\022\026\n\016drop_if_exists\030\003 \001"
-  "<\n\013DropColumns\022-\n\014drop_columns\030\001 \003(\0132\027.g"
+  "(\010\"9\n\nAddColumns\022+\n\013add_columns\030\001 \003(\0132\026."
-  "reptime.v1.DropColumn\"O\n\021ChangeColumnTyp"
+  "greptime.v1.AddColumn\"<\n\013DropColumns\022-\n\014"
-  "es\022:\n\023change_column_types\030\001 \003(\0132\035.grepti"
+  "drop_columns\030\001 \003(\0132\027.greptime.v1.DropCol"
-  "me.v1.ChangeColumnType\"%\n\013RenameTable\022\026\n"
+  "umn\"O\n\021ChangeColumnTypes\022:\n\023change_colum"
-  "\016new_table_name\030\001 \001(\t\"i\n\tAddColumn\022*\n\nco"
+  "n_types\030\001 \003(\0132\035.greptime.v1.ChangeColumn"
-  "lumn_def\030\001 \001(\0132\026.greptime.v1.ColumnDef\0220"
+  "Type\"%\n\013RenameTable\022\026\n\016new_table_name\030\001 "
-  "\n\010location\030\003 \001(\0132\036.greptime.v1.AddColumn"
+  "\001(\t\"i\n\tAddColumn\022*\n\ncolumn_def\030\001 \001(\0132\026.g"
-  "Location\"\236\001\n\020ChangeColumnType\022\023\n\013column_"
+  "reptime.v1.ColumnDef\0220\n\010location\030\003 \001(\0132\036"
-  "name\030\001 \001(\t\0220\n\013target_type\030\002 \001(\0162\033.grepti"
+  ".greptime.v1.AddColumnLocation\"\236\001\n\020Chang"
-  "me.v1.ColumnDataType\022C\n\025target_type_exte"
+  "eColumnType\022\023\n\013column_name\030\001 \001(\t\0220\n\013targ"
-  "nsion\030\003 \001(\0132$.greptime.v1.ColumnDataType"
+  "et_type\030\002 \001(\0162\033.greptime.v1.ColumnDataTy"
-  "Extension\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t\"\025\n"
+  "pe\022C\n\025target_type_extension\030\003 \001(\0132$.grep"
-  "\007TableId\022\n\n\002id\030\001 \001(\r\"\377\001\n\tColumnDef\022\014\n\004na"
+  "time.v1.ColumnDataTypeExtension\"\032\n\nDropC"
-  "me\030\001 \001(\t\022.\n\tdata_type\030\002 \001(\0162\033.greptime.v"
+  "olumn\022\014\n\004name\030\001 \001(\t\"\025\n\007TableId\022\n\n\002id\030\001 \001"
-  "1.ColumnDataType\022\023\n\013is_nullable\030\003 \001(\010\022\032\n"
+  "(\r\"\024\n\006FlowId\022\n\n\002id\030\001 \001(\r\"\377\001\n\tColumnDef\022\014"
-  "\022default_constraint\030\004 \001(\014\0220\n\rsemantic_ty"
+  "\n\004name\030\001 \001(\t\022.\n\tdata_type\030\002 \001(\0162\033.grepti"
-  "pe\030\005 \001(\0162\031.greptime.v1.SemanticType\022\017\n\007c"
+  "me.v1.ColumnDataType\022\023\n\013is_nullable\030\003 \001("
-  "omment\030\006 \001(\t\022@\n\022datatype_extension\030\007 \001(\013"
+  "\010\022\032\n\022default_constraint\030\004 \001(\014\0220\n\rsemanti"
-  "2$.greptime.v1.ColumnDataTypeExtension\"\230"
+  "c_type\030\005 \001(\0162\031.greptime.v1.SemanticType\022"
-  "\001\n\021AddColumnLocation\022B\n\rlocation_type\030\001 "
+  "\017\n\007comment\030\006 \001(\t\022@\n\022datatype_extension\030\007"
-  "\001(\0162+.greptime.v1.AddColumnLocation.Loca"
+  " \001(\0132$.greptime.v1.ColumnDataTypeExtensi"
-  "tionType\022\031\n\021after_column_name\030\002 \001(\t\"$\n\014L"
+  "on\"\230\001\n\021AddColumnLocation\022B\n\rlocation_typ"
-  "ocationType\022\t\n\005FIRST\020\000\022\t\n\005AFTER\020\001BL\n\016io."
+  "e\030\001 \001(\0162+.greptime.v1.AddColumnLocation."
-  "greptime.v1B\003DdlZ5github.com/GreptimeTea"
+  "LocationType\022\031\n\021after_column_name\030\002 \001(\t\""
-  "m/greptime-proto/go/greptime/v1b\006proto3"
+  "$\n\014LocationType\022\t\n\005FIRST\020\000\022\t\n\005AFTER\020\001BL\n"
+  "\016io.greptime.v1B\003DdlZ5github.com/Greptim"
+  "eTeam/greptime-proto/go/greptime/v1b\006pro"
+  "to3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fddl_2eproto_deps[1] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fddl_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fddl_2eproto = {
-    false, false, 3199, descriptor_table_protodef_greptime_2fv1_2fddl_2eproto,
+    false, false, 3283, descriptor_table_protodef_greptime_2fv1_2fddl_2eproto,
     "greptime/v1/ddl.proto",
-    &descriptor_table_greptime_2fv1_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fddl_2eproto_deps, 1, 22,
+    &descriptor_table_greptime_2fv1_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fddl_2eproto_deps, 1, 23,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fddl_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fddl_2eproto, file_level_enum_descriptors_greptime_2fv1_2fddl_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fddl_2eproto,
@@ -1978,8 +2007,13 @@ void CreateFlowExpr::InternalSwap(CreateFlowExpr* other) {
 
 class DropFlowExpr::_Internal {
  public:
+  static const ::greptime::v1::FlowId& flow_id(const DropFlowExpr* msg);
 };
 
+const ::greptime::v1::FlowId&
+DropFlowExpr::_Internal::flow_id(const DropFlowExpr* msg) {
+  return *msg->_impl_.flow_id_;
+}
 DropFlowExpr::DropFlowExpr(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -1992,6 +2026,8 @@ DropFlowExpr::DropFlowExpr(const DropFlowExpr& from)
   new (&_impl_) Impl_{
       decltype(_impl_.catalog_name_){}
     , decltype(_impl_.flow_name_){}
+    , decltype(_impl_.flow_id_){nullptr}
+    , decltype(_impl_.drop_if_exists_){}
     , /*decltype(_impl_._cached_size_)*/{}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
@@ -2011,6 +2047,10 @@ DropFlowExpr::DropFlowExpr(const DropFlowExpr& from)
     _this->_impl_.flow_name_.Set(from._internal_flow_name(), 
       _this->GetArenaForAllocation());
   }
+  if (from._internal_has_flow_id()) {
+    _this->_impl_.flow_id_ = new ::greptime::v1::FlowId(*from._impl_.flow_id_);
+  }
+  _this->_impl_.drop_if_exists_ = from._impl_.drop_if_exists_;
   // @@protoc_insertion_point(copy_constructor:greptime.v1.DropFlowExpr)
 }
 
@@ -2021,6 +2061,8 @@ inline void DropFlowExpr::SharedCtor(
   new (&_impl_) Impl_{
       decltype(_impl_.catalog_name_){}
     , decltype(_impl_.flow_name_){}
+    , decltype(_impl_.flow_id_){nullptr}
+    , decltype(_impl_.drop_if_exists_){false}
     , /*decltype(_impl_._cached_size_)*/{}
   };
   _impl_.catalog_name_.InitDefault();
@@ -2046,6 +2088,7 @@ inline void DropFlowExpr::SharedDtor() {
   GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
   _impl_.catalog_name_.Destroy();
   _impl_.flow_name_.Destroy();
+  if (this != internal_default_instance()) delete _impl_.flow_id_;
 }
 
 void DropFlowExpr::SetCachedSize(int size) const {
@@ -2060,6 +2103,11 @@ void DropFlowExpr::Clear() {
 
   _impl_.catalog_name_.ClearToEmpty();
   _impl_.flow_name_.ClearToEmpty();
+  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+    delete _impl_.flow_id_;
+  }
+  _impl_.flow_id_ = nullptr;
+  _impl_.drop_if_exists_ = false;
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
@@ -2089,6 +2137,22 @@ const char* DropFlowExpr::_InternalParse(const char* ptr, ::_pbi::ParseContext*
         } else
           goto handle_unusual;
         continue;
+      // .greptime.v1.FlowId flow_id = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
+          ptr = ctx->ParseMessage(_internal_mutable_flow_id(), ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      // bool drop_if_exists = 5;
+      case 5:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 40)) {
+          _impl_.drop_if_exists_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -2138,6 +2202,19 @@ uint8_t* DropFlowExpr::_InternalSerialize(
         2, this->_internal_flow_name(), target);
   }
 
+  // .greptime.v1.FlowId flow_id = 3;
+  if (this->_internal_has_flow_id()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(3, _Internal::flow_id(this),
+        _Internal::flow_id(this).GetCachedSize(), target, stream);
+  }
+
+  // bool drop_if_exists = 5;
+  if (this->_internal_drop_if_exists() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteBoolToArray(5, this->_internal_drop_if_exists(), target);
+  }
+
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
         _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
@@ -2168,6 +2245,18 @@ size_t DropFlowExpr::ByteSizeLong() const {
         this->_internal_flow_name());
   }
 
+  // .greptime.v1.FlowId flow_id = 3;
+  if (this->_internal_has_flow_id()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+        *_impl_.flow_id_);
+  }
+
+  // bool drop_if_exists = 5;
+  if (this->_internal_drop_if_exists() != 0) {
+    total_size += 1 + 1;
+  }
+
   return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
 }
 
@@ -2192,6 +2281,13 @@ void DropFlowExpr::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::P
   if (!from._internal_flow_name().empty()) {
     _this->_internal_set_flow_name(from._internal_flow_name());
   }
+  if (from._internal_has_flow_id()) {
+    _this->_internal_mutable_flow_id()->::greptime::v1::FlowId::MergeFrom(
+        from._internal_flow_id());
+  }
+  if (from._internal_drop_if_exists() != 0) {
+    _this->_internal_set_drop_if_exists(from._internal_drop_if_exists());
+  }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
 }
 
@@ -2219,6 +2315,12 @@ void DropFlowExpr::InternalSwap(DropFlowExpr* other) {
       &_impl_.flow_name_, lhs_arena,
       &other->_impl_.flow_name_, rhs_arena
   );
+  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
+      PROTOBUF_FIELD_OFFSET(DropFlowExpr, _impl_.drop_if_exists_)
+      + sizeof(DropFlowExpr::_impl_.drop_if_exists_)
+      - PROTOBUF_FIELD_OFFSET(DropFlowExpr, _impl_.flow_id_)>(
+          reinterpret_cast<char*>(&_impl_.flow_id_),
+          reinterpret_cast<char*>(&other->_impl_.flow_id_));
 }
 
 ::PROTOBUF_NAMESPACE_ID::Metadata DropFlowExpr::GetMetadata() const {
@@ -6509,6 +6611,184 @@ void TableId::InternalSwap(TableId* other) {
 
 // ===================================================================
 
+class FlowId::_Internal {
+ public:
+};
+
+FlowId::FlowId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                         bool is_message_owned)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
+  SharedCtor(arena, is_message_owned);
+  // @@protoc_insertion_point(arena_constructor:greptime.v1.FlowId)
+}
+FlowId::FlowId(const FlowId& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  FlowId* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.id_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  _this->_impl_.id_ = from._impl_.id_;
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.FlowId)
+}
+
+inline void FlowId::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.id_){0u}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+}
+
+FlowId::~FlowId() {
+  // @@protoc_insertion_point(destructor:greptime.v1.FlowId)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void FlowId::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+}
+
+void FlowId::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void FlowId::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.FlowId)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.id_ = 0u;
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* FlowId::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  while (!ctx->Done(&ptr)) {
+    uint32_t tag;
+    ptr = ::_pbi::ReadTag(ptr, &tag);
+    switch (tag >> 3) {
+      // uint32 id = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
+          _impl_.id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      default:
+        goto handle_unusual;
+    }  // switch
+  handle_unusual:
+    if ((tag == 0) || ((tag & 7) == 4)) {
+      CHK_(ptr);
+      ctx->SetLastTag(tag);
+      goto message_done;
+    }
+    ptr = UnknownFieldParse(
+        tag,
+        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+        ptr, ctx);
+    CHK_(ptr != nullptr);
+  }  // while
+message_done:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto message_done;
+#undef CHK_
+}
+
+uint8_t* FlowId::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.FlowId)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // uint32 id = 1;
+  if (this->_internal_id() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteUInt32ToArray(1, this->_internal_id(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.FlowId)
+  return target;
+}
+
+size_t FlowId::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.FlowId)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // uint32 id = 1;
+  if (this->_internal_id() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt32SizePlusOne(this->_internal_id());
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData FlowId::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    FlowId::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*FlowId::GetClassData() const { return &_class_data_; }
+
+
+void FlowId::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<FlowId*>(&to_msg);
+  auto& from = static_cast<const FlowId&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.FlowId)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from._internal_id() != 0) {
+    _this->_internal_set_id(from._internal_id());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void FlowId::CopyFrom(const FlowId& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.FlowId)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool FlowId::IsInitialized() const {
+  return true;
+}
+
+void FlowId::InternalSwap(FlowId* other) {
+  using std::swap;
+  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  swap(_impl_.id_, other->_impl_.id_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata FlowId::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[20]);
+}
+
+// ===================================================================
+
 class ColumnDef::_Internal {
  public:
   static const ::greptime::v1::ColumnDataTypeExtension& datatype_extension(const ColumnDef* msg);
@@ -6939,7 +7219,7 @@ void ColumnDef::InternalSwap(ColumnDef* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata ColumnDef::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[20]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[21]);
 }
 
 // ===================================================================
@@ -7172,7 +7452,7 @@ void AddColumnLocation::InternalSwap(AddColumnLocation* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AddColumnLocation::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fddl_2eproto_getter, &descriptor_table_greptime_2fv1_2fddl_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fddl_2eproto[21]);
+      file_level_metadata_greptime_2fv1_2fddl_2eproto[22]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -7259,6 +7539,10 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::TableId*
 Arena::CreateMaybeMessage< ::greptime::v1::TableId >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::TableId >(arena);
 }
+template<> PROTOBUF_NOINLINE ::greptime::v1::FlowId*
+Arena::CreateMaybeMessage< ::greptime::v1::FlowId >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::FlowId >(arena);
+}
 template<> PROTOBUF_NOINLINE ::greptime::v1::ColumnDef*
 Arena::CreateMaybeMessage< ::greptime::v1::ColumnDef >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::ColumnDef >(arena);

c++/greptime/v1/ddl.pb.h

@@ -108,6 +108,9 @@ extern DropFlowExprDefaultTypeInternal _DropFlowExpr_default_instance_;
 class DropTableExpr;
 struct DropTableExprDefaultTypeInternal;
 extern DropTableExprDefaultTypeInternal _DropTableExpr_default_instance_;
+class FlowId;
+struct FlowIdDefaultTypeInternal;
+extern FlowIdDefaultTypeInternal _FlowId_default_instance_;
 class RenameTable;
 struct RenameTableDefaultTypeInternal;
 extern RenameTableDefaultTypeInternal _RenameTable_default_instance_;
@@ -139,6 +142,7 @@ template<> ::greptime::v1::DropColumns* Arena::CreateMaybeMessage<::greptime::v1
 template<> ::greptime::v1::DropDatabaseExpr* Arena::CreateMaybeMessage<::greptime::v1::DropDatabaseExpr>(Arena*);
 template<> ::greptime::v1::DropFlowExpr* Arena::CreateMaybeMessage<::greptime::v1::DropFlowExpr>(Arena*);
 template<> ::greptime::v1::DropTableExpr* Arena::CreateMaybeMessage<::greptime::v1::DropTableExpr>(Arena*);
+template<> ::greptime::v1::FlowId* Arena::CreateMaybeMessage<::greptime::v1::FlowId>(Arena*);
 template<> ::greptime::v1::RenameTable* Arena::CreateMaybeMessage<::greptime::v1::RenameTable>(Arena*);
 template<> ::greptime::v1::TableId* Arena::CreateMaybeMessage<::greptime::v1::TableId>(Arena*);
 template<> ::greptime::v1::TruncateTableExpr* Arena::CreateMaybeMessage<::greptime::v1::TruncateTableExpr>(Arena*);
@@ -935,6 +939,8 @@ class DropFlowExpr final :
   enum : int {
     kCatalogNameFieldNumber = 1,
     kFlowNameFieldNumber = 2,
+    kFlowIdFieldNumber = 3,
+    kDropIfExistsFieldNumber = 5,
   };
   // string catalog_name = 1;
   void clear_catalog_name();
@@ -964,6 +970,33 @@ class DropFlowExpr final :
   std::string* _internal_mutable_flow_name();
   public:
 
+  // .greptime.v1.FlowId flow_id = 3;
+  bool has_flow_id() const;
+  private:
+  bool _internal_has_flow_id() const;
+  public:
+  void clear_flow_id();
+  const ::greptime::v1::FlowId& flow_id() const;
+  PROTOBUF_NODISCARD ::greptime::v1::FlowId* release_flow_id();
+  ::greptime::v1::FlowId* mutable_flow_id();
+  void set_allocated_flow_id(::greptime::v1::FlowId* flow_id);
+  private:
+  const ::greptime::v1::FlowId& _internal_flow_id() const;
+  ::greptime::v1::FlowId* _internal_mutable_flow_id();
+  public:
+  void unsafe_arena_set_allocated_flow_id(
+      ::greptime::v1::FlowId* flow_id);
+  ::greptime::v1::FlowId* unsafe_arena_release_flow_id();
+
+  // bool drop_if_exists = 5;
+  void clear_drop_if_exists();
+  bool drop_if_exists() const;
+  void set_drop_if_exists(bool value);
+  private:
+  bool _internal_drop_if_exists() const;
+  void _internal_set_drop_if_exists(bool value);
+  public:
+
   // @@protoc_insertion_point(class_scope:greptime.v1.DropFlowExpr)
  private:
   class _Internal;
@@ -974,6 +1007,8 @@ class DropFlowExpr final :
   struct Impl_ {
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr catalog_name_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr flow_name_;
+    ::greptime::v1::FlowId* flow_id_;
+    bool drop_if_exists_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
@@ -3754,6 +3789,154 @@ class TableId final :
 };
 // -------------------------------------------------------------------
 
+class FlowId final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.FlowId) */ {
+ public:
+  inline FlowId() : FlowId(nullptr) {}
+  ~FlowId() override;
+  explicit PROTOBUF_CONSTEXPR FlowId(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  FlowId(const FlowId& from);
+  FlowId(FlowId&& from) noexcept
+    : FlowId() {
+    *this = ::std::move(from);
+  }
+
+  inline FlowId& operator=(const FlowId& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline FlowId& operator=(FlowId&& from) noexcept {
+    if (this == &from) return *this;
+    if (GetOwningArena() == from.GetOwningArena()
+  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
+        && GetOwningArena() != nullptr
+  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
+    ) {
+      InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
+    return GetDescriptor();
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
+    return default_instance().GetMetadata().descriptor;
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
+    return default_instance().GetMetadata().reflection;
+  }
+  static const FlowId& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const FlowId* internal_default_instance() {
+    return reinterpret_cast<const FlowId*>(
+               &_FlowId_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    20;
+
+  friend void swap(FlowId& a, FlowId& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(FlowId* other) {
+    if (other == this) return;
+  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() != nullptr &&
+        GetOwningArena() == other->GetOwningArena()) {
+   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() == other->GetOwningArena()) {
+  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
+      InternalSwap(other);
+    } else {
+      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
+    }
+  }
+  void UnsafeArenaSwap(FlowId* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  FlowId* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<FlowId>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const FlowId& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const FlowId& from) {
+    FlowId::MergeImpl(*this, from);
+  }
+  private:
+  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
+  public:
+  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
+  bool IsInitialized() const final;
+
+  size_t ByteSizeLong() const final;
+  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
+  uint8_t* _InternalSerialize(
+      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
+  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
+
+  private:
+  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
+  void SharedDtor();
+  void SetCachedSize(int size) const final;
+  void InternalSwap(FlowId* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.FlowId";
+  }
+  protected:
+  explicit FlowId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                       bool is_message_owned = false);
+  public:
+
+  static const ClassData _class_data_;
+  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
+
+  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  enum : int {
+    kIdFieldNumber = 1,
+  };
+  // uint32 id = 1;
+  void clear_id();
+  uint32_t id() const;
+  void set_id(uint32_t value);
+  private:
+  uint32_t _internal_id() const;
+  void _internal_set_id(uint32_t value);
+  public:
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.FlowId)
+ private:
+  class _Internal;
+
+  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  struct Impl_ {
+    uint32_t id_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fddl_2eproto;
+};
+// -------------------------------------------------------------------
+
 class ColumnDef final :
     public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.ColumnDef) */ {
  public:
@@ -3802,7 +3985,7 @@ class ColumnDef final :
                &_ColumnDef_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    20;
+    21;
 
   friend void swap(ColumnDef& a, ColumnDef& b) {
     a.Swap(&b);
@@ -4040,7 +4223,7 @@ class AddColumnLocation final :
                &_AddColumnLocation_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    21;
+    22;
 
   friend void swap(AddColumnLocation& a, AddColumnLocation& b) {
     a.Swap(&b);
@@ -5273,6 +5456,116 @@ inline void DropFlowExpr::set_allocated_flow_name(std::string* flow_name) {
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.DropFlowExpr.flow_name)
 }
 
+// .greptime.v1.FlowId flow_id = 3;
+inline bool DropFlowExpr::_internal_has_flow_id() const {
+  return this != internal_default_instance() && _impl_.flow_id_ != nullptr;
+}
+inline bool DropFlowExpr::has_flow_id() const {
+  return _internal_has_flow_id();
+}
+inline void DropFlowExpr::clear_flow_id() {
+  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+    delete _impl_.flow_id_;
+  }
+  _impl_.flow_id_ = nullptr;
+}
+inline const ::greptime::v1::FlowId& DropFlowExpr::_internal_flow_id() const {
+  const ::greptime::v1::FlowId* p = _impl_.flow_id_;
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::FlowId&>(
+      ::greptime::v1::_FlowId_default_instance_);
+}
+inline const ::greptime::v1::FlowId& DropFlowExpr::flow_id() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.DropFlowExpr.flow_id)
+  return _internal_flow_id();
+}
+inline void DropFlowExpr::unsafe_arena_set_allocated_flow_id(
+    ::greptime::v1::FlowId* flow_id) {
+  if (GetArenaForAllocation() == nullptr) {
+    delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.flow_id_);
+  }
+  _impl_.flow_id_ = flow_id;
+  if (flow_id) {
+    
+  } else {
+    
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.DropFlowExpr.flow_id)
+}
+inline ::greptime::v1::FlowId* DropFlowExpr::release_flow_id() {
+  
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
+  _impl_.flow_id_ = nullptr;
+#ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
+  auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
+  temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  if (GetArenaForAllocation() == nullptr) { delete old; }
+#else  // PROTOBUF_FORCE_COPY_IN_RELEASE
+  if (GetArenaForAllocation() != nullptr) {
+    temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+  }
+#endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
+  return temp;
+}
+inline ::greptime::v1::FlowId* DropFlowExpr::unsafe_arena_release_flow_id() {
+  // @@protoc_insertion_point(field_release:greptime.v1.DropFlowExpr.flow_id)
+  
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
+  _impl_.flow_id_ = nullptr;
+  return temp;
+}
+inline ::greptime::v1::FlowId* DropFlowExpr::_internal_mutable_flow_id() {
+  
+  if (_impl_.flow_id_ == nullptr) {
+    auto* p = CreateMaybeMessage<::greptime::v1::FlowId>(GetArenaForAllocation());
+    _impl_.flow_id_ = p;
+  }
+  return _impl_.flow_id_;
+}
+inline ::greptime::v1::FlowId* DropFlowExpr::mutable_flow_id() {
+  ::greptime::v1::FlowId* _msg = _internal_mutable_flow_id();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.DropFlowExpr.flow_id)
+  return _msg;
+}
+inline void DropFlowExpr::set_allocated_flow_id(::greptime::v1::FlowId* flow_id) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  if (message_arena == nullptr) {
+    delete _impl_.flow_id_;
+  }
+  if (flow_id) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(flow_id);
+    if (message_arena != submessage_arena) {
+      flow_id = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, flow_id, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  _impl_.flow_id_ = flow_id;
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.DropFlowExpr.flow_id)
+}
+
+// bool drop_if_exists = 5;
+inline void DropFlowExpr::clear_drop_if_exists() {
+  _impl_.drop_if_exists_ = false;
+}
+inline bool DropFlowExpr::_internal_drop_if_exists() const {
+  return _impl_.drop_if_exists_;
+}
+inline bool DropFlowExpr::drop_if_exists() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.DropFlowExpr.drop_if_exists)
+  return _internal_drop_if_exists();
+}
+inline void DropFlowExpr::_internal_set_drop_if_exists(bool value) {
+  
+  _impl_.drop_if_exists_ = value;
+}
+inline void DropFlowExpr::set_drop_if_exists(bool value) {
+  _internal_set_drop_if_exists(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.DropFlowExpr.drop_if_exists)
+}
+
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
@@ -7688,6 +7981,30 @@ inline void TableId::set_id(uint32_t value) {
 
 // -------------------------------------------------------------------
 
+// FlowId
+
+// uint32 id = 1;
+inline void FlowId::clear_id() {
+  _impl_.id_ = 0u;
+}
+inline uint32_t FlowId::_internal_id() const {
+  return _impl_.id_;
+}
+inline uint32_t FlowId::id() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.FlowId.id)
+  return _internal_id();
+}
+inline void FlowId::_internal_set_id(uint32_t value) {
+  
+  _impl_.id_ = value;
+}
+inline void FlowId::set_id(uint32_t value) {
+  _internal_set_id(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.FlowId.id)
+}
+
+// -------------------------------------------------------------------
+
 // ColumnDef
 
 // string name = 1;
@@ -8104,6 +8421,8 @@ inline void AddColumnLocation::set_allocated_after_column_name(std::string* afte
 
 // -------------------------------------------------------------------
 
+// -------------------------------------------------------------------
+
 
 // @@protoc_insertion_point(namespace_scope)
 

c++/greptime/v1/flow/server.pb.cc

@@ -103,8 +103,8 @@ struct FlowResponse_ExtensionEntry_DoNotUseDefaultTypeInternal {
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 FlowResponse_ExtensionEntry_DoNotUseDefaultTypeInternal _FlowResponse_ExtensionEntry_DoNotUse_default_instance_;
 PROTOBUF_CONSTEXPR FlowResponse::FlowResponse(
     ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_.extension_)*/{::_pbi::ConstantInitialized()}
+    /*decltype(_impl_.affected_flows_)*/{}
-  , /*decltype(_impl_.affected_tasks_)*/{}
+  , /*decltype(_impl_.extension_)*/{::_pbi::ConstantInitialized()}
   , /*decltype(_impl_.header_)*/nullptr
   , /*decltype(_impl_.affected_rows_)*/uint64_t{0u}
   , /*decltype(_impl_._cached_size_)*/{}} {}
@@ -161,23 +161,10 @@ struct DropRequestDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 DropRequestDefaultTypeInternal _DropRequest_default_instance_;
-PROTOBUF_CONSTEXPR TaskId::TaskId(
-    ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_.id_)*/0u
-  , /*decltype(_impl_._cached_size_)*/{}} {}
-struct TaskIdDefaultTypeInternal {
-  PROTOBUF_CONSTEXPR TaskIdDefaultTypeInternal()
-      : _instance(::_pbi::ConstantInitialized{}) {}
-  ~TaskIdDefaultTypeInternal() {}
-  union {
-    TaskId _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TaskIdDefaultTypeInternal _TaskId_default_instance_;
 }  // namespace flow
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fflow_2fserver_2eproto[11];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fflow_2fserver_2eproto[10];
 static constexpr ::_pb::EnumDescriptor const** file_level_enum_descriptors_greptime_2fv1_2fflow_2fserver_2eproto = nullptr;
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fflow_2fserver_2eproto = nullptr;
 
@@ -243,8 +230,8 @@ const uint32_t TableStruct_greptime_2fv1_2fflow_2fserver_2eproto::offsets[] PROT
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::FlowResponse, _impl_.header_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::FlowResponse, _impl_.affected_rows_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::FlowResponse, _impl_.affected_flows_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::FlowResponse, _impl_.extension_),
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::FlowResponse, _impl_.affected_tasks_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::CreateRequest_FlowOptionsEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::CreateRequest_FlowOptionsEntry_DoNotUse, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -276,13 +263,6 @@ const uint32_t TableStruct_greptime_2fv1_2fflow_2fserver_2eproto::offsets[] PROT
   ~0u,  // no _weak_field_map_
   ~0u,  // no _inlined_string_donated_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::DropRequest, _impl_.flow_id_),
-  ~0u,  // no _has_bits_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::TaskId, _internal_metadata_),
-  ~0u,  // no _extensions_
-  ~0u,  // no _oneof_case_
-  ~0u,  // no _weak_field_map_
-  ~0u,  // no _inlined_string_donated_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::flow::TaskId, _impl_.id_),
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
   { 0, 8, -1, sizeof(::greptime::v1::flow::FlowRequestHeader_TracingContextEntry_DoNotUse)},
@@ -295,7 +275,6 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 63, 71, -1, sizeof(::greptime::v1::flow::CreateRequest_FlowOptionsEntry_DoNotUse)},
   { 73, -1, -1, sizeof(::greptime::v1::flow::CreateRequest)},
   { 87, -1, -1, sizeof(::greptime::v1::flow::DropRequest)},
-  { 94, -1, -1, sizeof(::greptime::v1::flow::TaskId)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -309,7 +288,6 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::flow::_CreateRequest_FlowOptionsEntry_DoNotUse_default_instance_._instance,
   &::greptime::v1::flow::_CreateRequest_default_instance_._instance,
   &::greptime::v1::flow::_DropRequest_default_instance_._instance,
-  &::greptime::v1::flow::_TaskId_default_instance_._instance,
 };
 
 const char descriptor_table_protodef_greptime_2fv1_2fflow_2fserver_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
@@ -329,31 +307,30 @@ const char descriptor_table_protodef_greptime_2fv1_2fflow_2fserver_2eproto[] PRO
   "FlowRequestHeader\0221\n\006create\030\001 \001(\0132\037.grep"
   "time.v1.flow.CreateRequestH\000\022-\n\004drop\030\002 \001"
   "(\0132\035.greptime.v1.flow.DropRequestH\000B\006\n\004b"
-  "ody\"\370\001\n\014FlowResponse\022+\n\006header\030\001 \001(\0132\033.g"
+  "ody\"\363\001\n\014FlowResponse\022+\n\006header\030\001 \001(\0132\033.g"
   "reptime.v1.ResponseHeader\022\025\n\raffected_ro"
-  "ws\030\002 \001(\004\022@\n\textension\030\003 \003(\0132-.greptime.v"
+  "ws\030\002 \001(\004\022+\n\016affected_flows\030\003 \003(\0132\023.grept"
-  "1.flow.FlowResponse.ExtensionEntry\0220\n\016af"
+  "ime.v1.FlowId\022@\n\textension\030\004 \003(\0132-.grept"
-  "fected_tasks\030\004 \003(\0132\030.greptime.v1.flow.Ta"
+  "ime.v1.flow.FlowResponse.ExtensionEntry\032"
-  "skId\0320\n\016ExtensionEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
+  "0\n\016ExtensionEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030"
-  "alue\030\002 \001(\014:\0028\001\"\350\002\n\rCreateRequest\022)\n\007flow"
+  "\002 \001(\014:\0028\001\"\343\002\n\rCreateRequest\022$\n\007flow_id\030\001"
-  "_id\030\001 \001(\0132\030.greptime.v1.flow.TaskId\022.\n\020s"
+  " \001(\0132\023.greptime.v1.FlowId\022.\n\020source_tabl"
-  "ource_table_ids\030\002 \003(\0132\024.greptime.v1.Tabl"
+  "e_ids\030\002 \003(\0132\024.greptime.v1.TableId\022/\n\017sin"
-  "eId\022/\n\017sink_table_name\030\003 \001(\0132\026.greptime."
+  "k_table_name\030\003 \001(\0132\026.greptime.v1.TableNa"
-  "v1.TableName\022\034\n\024create_if_not_exists\030\004 \001"
+  "me\022\034\n\024create_if_not_exists\030\004 \001(\010\022\023\n\013expi"
-  "(\010\022\023\n\013expire_when\030\005 \001(\t\022\017\n\007comment\030\006 \001(\t"
+  "re_when\030\005 \001(\t\022\017\n\007comment\030\006 \001(\t\022\013\n\003sql\030\007 "
-  "\022\013\n\003sql\030\007 \001(\t\022F\n\014flow_options\030\010 \003(\01320.gr"
+  "\001(\t\022F\n\014flow_options\030\010 \003(\01320.greptime.v1."
-  "eptime.v1.flow.CreateRequest.FlowOptions"
+  "flow.CreateRequest.FlowOptionsEntry\0322\n\020F"
-  "Entry\0322\n\020FlowOptionsEntry\022\013\n\003key\030\001 \001(\t\022\r"
+  "lowOptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 "
-  "\n\005value\030\002 \001(\t:\0028\001\"8\n\013DropRequest\022)\n\007flow"
+  "\001(\t:\0028\001\"3\n\013DropRequest\022$\n\007flow_id\030\001 \001(\0132"
-  "_id\030\001 \001(\0132\030.greptime.v1.flow.TaskId\"\024\n\006T"
+  "\023.greptime.v1.FlowId2\264\001\n\004Flow\022S\n\022HandleC"
-  "askId\022\n\n\002id\030\001 \001(\r2\264\001\n\004Flow\022S\n\022HandleCrea"
+  "reateRemove\022\035.greptime.v1.flow.FlowReque"
-  "teRemove\022\035.greptime.v1.flow.FlowRequest\032"
+  "st\032\036.greptime.v1.flow.FlowResponse\022W\n\023Ha"
-  "\036.greptime.v1.flow.FlowResponse\022W\n\023Handl"
+  "ndleMirrorRequest\022 .greptime.v1.flow.Ins"
-  "eMirrorRequest\022 .greptime.v1.flow.Insert"
+  "ertRequests\032\036.greptime.v1.flow.FlowRespo"
-  "Requests\032\036.greptime.v1.flow.FlowResponse"
+  "nseBY\n\023io.greptime.v1.flowB\006ServerZ:gith"
-  "BY\n\023io.greptime.v1.flowB\006ServerZ:github."
+  "ub.com/GreptimeTeam/greptime-proto/go/gr"
-  "com/GreptimeTeam/greptime-proto/go/grept"
+  "eptime/v1/flowb\006proto3"
-  "ime/v1/flowb\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_deps[3] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
@@ -362,9 +339,9 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fflo
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto = {
-    false, false, 1619, descriptor_table_protodef_greptime_2fv1_2fflow_2fserver_2eproto,
+    false, false, 1582, descriptor_table_protodef_greptime_2fv1_2fflow_2fserver_2eproto,
     "greptime/v1/flow/server.proto",
-    &descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_deps, 3, 11,
+    &descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_deps, 3, 10,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fflow_2fserver_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fflow_2fserver_2eproto, file_level_enum_descriptors_greptime_2fv1_2fflow_2fserver_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fflow_2fserver_2eproto,
@@ -1453,6 +1430,9 @@ void FlowResponse::clear_header() {
   }
   _impl_.header_ = nullptr;
 }
+void FlowResponse::clear_affected_flows() {
+  _impl_.affected_flows_.Clear();
+}
 FlowResponse::FlowResponse(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -1466,8 +1446,8 @@ FlowResponse::FlowResponse(const FlowResponse& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   FlowResponse* const _this = this; (void)_this;
   new (&_impl_) Impl_{
-      /*decltype(_impl_.extension_)*/{}
+      decltype(_impl_.affected_flows_){from._impl_.affected_flows_}
-    , decltype(_impl_.affected_tasks_){from._impl_.affected_tasks_}
+    , /*decltype(_impl_.extension_)*/{}
     , decltype(_impl_.header_){nullptr}
     , decltype(_impl_.affected_rows_){}
     , /*decltype(_impl_._cached_size_)*/{}};
@@ -1486,8 +1466,8 @@ inline void FlowResponse::SharedCtor(
   (void)arena;
   (void)is_message_owned;
   new (&_impl_) Impl_{
-      /*decltype(_impl_.extension_)*/{::_pbi::ArenaInitialized(), arena}
+      decltype(_impl_.affected_flows_){arena}
-    , decltype(_impl_.affected_tasks_){arena}
+    , /*decltype(_impl_.extension_)*/{::_pbi::ArenaInitialized(), arena}
     , decltype(_impl_.header_){nullptr}
     , decltype(_impl_.affected_rows_){uint64_t{0u}}
     , /*decltype(_impl_._cached_size_)*/{}
@@ -1506,9 +1486,9 @@ FlowResponse::~FlowResponse() {
 
 inline void FlowResponse::SharedDtor() {
   GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.affected_flows_.~RepeatedPtrField();
   _impl_.extension_.Destruct();
   _impl_.extension_.~MapField();
-  _impl_.affected_tasks_.~RepeatedPtrField();
   if (this != internal_default_instance()) delete _impl_.header_;
 }
 
@@ -1526,8 +1506,8 @@ void FlowResponse::Clear() {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
+  _impl_.affected_flows_.Clear();
   _impl_.extension_.Clear();
-  _impl_.affected_tasks_.Clear();
   if (GetArenaForAllocation() == nullptr && _impl_.header_ != nullptr) {
     delete _impl_.header_;
   }
@@ -1558,26 +1538,26 @@ const char* FlowResponse::_InternalParse(const char* ptr, ::_pbi::ParseContext*
         } else
           goto handle_unusual;
         continue;
-      // map<string, bytes> extension = 3;
+      // repeated .greptime.v1.FlowId affected_flows = 3;
       case 3:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 26)) {
           ptr -= 1;
           do {
             ptr += 1;
-            ptr = ctx->ParseMessage(&_impl_.extension_, ptr);
+            ptr = ctx->ParseMessage(_internal_add_affected_flows(), ptr);
             CHK_(ptr);
             if (!ctx->DataAvailable(ptr)) break;
           } while (::PROTOBUF_NAMESPACE_ID::internal::ExpectTag<26>(ptr));
         } else
           goto handle_unusual;
         continue;
-      // repeated .greptime.v1.flow.TaskId affected_tasks = 4;
+      // map<string, bytes> extension = 4;
       case 4:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
           ptr -= 1;
           do {
             ptr += 1;
-            ptr = ctx->ParseMessage(_internal_add_affected_tasks(), ptr);
+            ptr = ctx->ParseMessage(&_impl_.extension_, ptr);
             CHK_(ptr);
             if (!ctx->DataAvailable(ptr)) break;
           } while (::PROTOBUF_NAMESPACE_ID::internal::ExpectTag<34>(ptr));
@@ -1626,7 +1606,15 @@ uint8_t* FlowResponse::_InternalSerialize(
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(2, this->_internal_affected_rows(), target);
   }
 
-  // map<string, bytes> extension = 3;
+  // repeated .greptime.v1.FlowId affected_flows = 3;
+  for (unsigned i = 0,
+      n = static_cast<unsigned>(this->_internal_affected_flows_size()); i < n; i++) {
+    const auto& repfield = this->_internal_affected_flows(i);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        InternalWriteMessage(3, repfield, repfield.GetCachedSize(), target, stream);
+  }
+
+  // map<string, bytes> extension = 4;
   if (!this->_internal_extension().empty()) {
     using MapType = ::_pb::Map<std::string, std::string>;
     using WireHelper = FlowResponse_ExtensionEntry_DoNotUse::Funcs;
@@ -1641,25 +1629,17 @@ uint8_t* FlowResponse::_InternalSerialize(
 
     if (stream->IsSerializationDeterministic() && map_field.size() > 1) {
       for (const auto& entry : ::_pbi::MapSorterPtr<MapType>(map_field)) {
-        target = WireHelper::InternalSerialize(3, entry.first, entry.second, target, stream);
+        target = WireHelper::InternalSerialize(4, entry.first, entry.second, target, stream);
         check_utf8(entry);
       }
     } else {
       for (const auto& entry : map_field) {
-        target = WireHelper::InternalSerialize(3, entry.first, entry.second, target, stream);
+        target = WireHelper::InternalSerialize(4, entry.first, entry.second, target, stream);
         check_utf8(entry);
       }
     }
   }
 
-  // repeated .greptime.v1.flow.TaskId affected_tasks = 4;
-  for (unsigned i = 0,
-      n = static_cast<unsigned>(this->_internal_affected_tasks_size()); i < n; i++) {
-    const auto& repfield = this->_internal_affected_tasks(i);
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
-        InternalWriteMessage(4, repfield, repfield.GetCachedSize(), target, stream);
-  }
-
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
         _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
@@ -1676,7 +1656,14 @@ size_t FlowResponse::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  // map<string, bytes> extension = 3;
+  // repeated .greptime.v1.FlowId affected_flows = 3;
+  total_size += 1UL * this->_internal_affected_flows_size();
+  for (const auto& msg : this->_impl_.affected_flows_) {
+    total_size +=
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
+  }
+
+  // map<string, bytes> extension = 4;
   total_size += 1 *
       ::PROTOBUF_NAMESPACE_ID::internal::FromIntSize(this->_internal_extension_size());
   for (::PROTOBUF_NAMESPACE_ID::Map< std::string, std::string >::const_iterator
@@ -1685,13 +1672,6 @@ size_t FlowResponse::ByteSizeLong() const {
     total_size += FlowResponse_ExtensionEntry_DoNotUse::Funcs::ByteSizeLong(it->first, it->second);
   }
 
-  // repeated .greptime.v1.flow.TaskId affected_tasks = 4;
-  total_size += 1UL * this->_internal_affected_tasks_size();
-  for (const auto& msg : this->_impl_.affected_tasks_) {
-    total_size +=
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
-  }
-
   // .greptime.v1.ResponseHeader header = 1;
   if (this->_internal_has_header()) {
     total_size += 1 +
@@ -1722,8 +1702,8 @@ void FlowResponse::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::P
   uint32_t cached_has_bits = 0;
   (void) cached_has_bits;
 
+  _this->_impl_.affected_flows_.MergeFrom(from._impl_.affected_flows_);
   _this->_impl_.extension_.MergeFrom(from._impl_.extension_);
-  _this->_impl_.affected_tasks_.MergeFrom(from._impl_.affected_tasks_);
   if (from._internal_has_header()) {
     _this->_internal_mutable_header()->::greptime::v1::ResponseHeader::MergeFrom(
         from._internal_header());
@@ -1748,8 +1728,8 @@ bool FlowResponse::IsInitialized() const {
 void FlowResponse::InternalSwap(FlowResponse* other) {
   using std::swap;
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  _impl_.affected_flows_.InternalSwap(&other->_impl_.affected_flows_);
   _impl_.extension_.InternalSwap(&other->_impl_.extension_);
-  _impl_.affected_tasks_.InternalSwap(&other->_impl_.affected_tasks_);
   ::PROTOBUF_NAMESPACE_ID::internal::memswap<
       PROTOBUF_FIELD_OFFSET(FlowResponse, _impl_.affected_rows_)
       + sizeof(FlowResponse::_impl_.affected_rows_)
@@ -1782,11 +1762,11 @@ void CreateRequest_FlowOptionsEntry_DoNotUse::MergeFrom(const CreateRequest_Flow
 
 class CreateRequest::_Internal {
  public:
-  static const ::greptime::v1::flow::TaskId& flow_id(const CreateRequest* msg);
+  static const ::greptime::v1::FlowId& flow_id(const CreateRequest* msg);
   static const ::greptime::v1::TableName& sink_table_name(const CreateRequest* msg);
 };
 
-const ::greptime::v1::flow::TaskId&
+const ::greptime::v1::FlowId&
 CreateRequest::_Internal::flow_id(const CreateRequest* msg) {
   return *msg->_impl_.flow_id_;
 }
@@ -1794,6 +1774,12 @@ const ::greptime::v1::TableName&
 CreateRequest::_Internal::sink_table_name(const CreateRequest* msg) {
   return *msg->_impl_.sink_table_name_;
 }
+void CreateRequest::clear_flow_id() {
+  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+    delete _impl_.flow_id_;
+  }
+  _impl_.flow_id_ = nullptr;
+}
 void CreateRequest::clear_source_table_ids() {
   _impl_.source_table_ids_.Clear();
 }
@@ -1853,7 +1839,7 @@ CreateRequest::CreateRequest(const CreateRequest& from)
       _this->GetArenaForAllocation());
   }
   if (from._internal_has_flow_id()) {
-    _this->_impl_.flow_id_ = new ::greptime::v1::flow::TaskId(*from._impl_.flow_id_);
+    _this->_impl_.flow_id_ = new ::greptime::v1::FlowId(*from._impl_.flow_id_);
   }
   if (from._internal_has_sink_table_name()) {
     _this->_impl_.sink_table_name_ = new ::greptime::v1::TableName(*from._impl_.sink_table_name_);
@@ -1950,7 +1936,7 @@ const char* CreateRequest::_InternalParse(const char* ptr, ::_pbi::ParseContext*
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
     switch (tag >> 3) {
-      // .greptime.v1.flow.TaskId flow_id = 1;
+      // .greptime.v1.FlowId flow_id = 1;
       case 1:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
           ptr = ctx->ParseMessage(_internal_mutable_flow_id(), ptr);
@@ -2059,7 +2045,7 @@ uint8_t* CreateRequest::_InternalSerialize(
   uint32_t cached_has_bits = 0;
   (void) cached_has_bits;
 
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   if (this->_internal_has_flow_id()) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
       InternalWriteMessage(1, _Internal::flow_id(this),
@@ -2200,7 +2186,7 @@ size_t CreateRequest::ByteSizeLong() const {
         this->_internal_sql());
   }
 
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   if (this->_internal_has_flow_id()) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
@@ -2249,7 +2235,7 @@ void CreateRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::
     _this->_internal_set_sql(from._internal_sql());
   }
   if (from._internal_has_flow_id()) {
-    _this->_internal_mutable_flow_id()->::greptime::v1::flow::TaskId::MergeFrom(
+    _this->_internal_mutable_flow_id()->::greptime::v1::FlowId::MergeFrom(
         from._internal_flow_id());
   }
   if (from._internal_has_sink_table_name()) {
@@ -2310,13 +2296,19 @@ void CreateRequest::InternalSwap(CreateRequest* other) {
 
 class DropRequest::_Internal {
  public:
-  static const ::greptime::v1::flow::TaskId& flow_id(const DropRequest* msg);
+  static const ::greptime::v1::FlowId& flow_id(const DropRequest* msg);
 };
 
-const ::greptime::v1::flow::TaskId&
+const ::greptime::v1::FlowId&
 DropRequest::_Internal::flow_id(const DropRequest* msg) {
   return *msg->_impl_.flow_id_;
 }
+void DropRequest::clear_flow_id() {
+  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+    delete _impl_.flow_id_;
+  }
+  _impl_.flow_id_ = nullptr;
+}
 DropRequest::DropRequest(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                          bool is_message_owned)
   : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@@ -2332,7 +2324,7 @@ DropRequest::DropRequest(const DropRequest& from)
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   if (from._internal_has_flow_id()) {
-    _this->_impl_.flow_id_ = new ::greptime::v1::flow::TaskId(*from._impl_.flow_id_);
+    _this->_impl_.flow_id_ = new ::greptime::v1::FlowId(*from._impl_.flow_id_);
   }
   // @@protoc_insertion_point(copy_constructor:greptime.v1.flow.DropRequest)
 }
@@ -2384,7 +2376,7 @@ const char* DropRequest::_InternalParse(const char* ptr, ::_pbi::ParseContext* c
     uint32_t tag;
     ptr = ::_pbi::ReadTag(ptr, &tag);
     switch (tag >> 3) {
-      // .greptime.v1.flow.TaskId flow_id = 1;
+      // .greptime.v1.FlowId flow_id = 1;
       case 1:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
           ptr = ctx->ParseMessage(_internal_mutable_flow_id(), ptr);
@@ -2421,7 +2413,7 @@ uint8_t* DropRequest::_InternalSerialize(
   uint32_t cached_has_bits = 0;
   (void) cached_has_bits;
 
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   if (this->_internal_has_flow_id()) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
       InternalWriteMessage(1, _Internal::flow_id(this),
@@ -2444,7 +2436,7 @@ size_t DropRequest::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   if (this->_internal_has_flow_id()) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
@@ -2470,7 +2462,7 @@ void DropRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PR
   (void) cached_has_bits;
 
   if (from._internal_has_flow_id()) {
-    _this->_internal_mutable_flow_id()->::greptime::v1::flow::TaskId::MergeFrom(
+    _this->_internal_mutable_flow_id()->::greptime::v1::FlowId::MergeFrom(
         from._internal_flow_id());
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
@@ -2499,184 +2491,6 @@ void DropRequest::InternalSwap(DropRequest* other) {
       file_level_metadata_greptime_2fv1_2fflow_2fserver_2eproto[9]);
 }
 
-// ===================================================================
-
-class TaskId::_Internal {
- public:
-};
-
-TaskId::TaskId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
-  SharedCtor(arena, is_message_owned);
-  // @@protoc_insertion_point(arena_constructor:greptime.v1.flow.TaskId)
-}
-TaskId::TaskId(const TaskId& from)
-  : ::PROTOBUF_NAMESPACE_ID::Message() {
-  TaskId* const _this = this; (void)_this;
-  new (&_impl_) Impl_{
-      decltype(_impl_.id_){}
-    , /*decltype(_impl_._cached_size_)*/{}};
-
-  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-  _this->_impl_.id_ = from._impl_.id_;
-  // @@protoc_insertion_point(copy_constructor:greptime.v1.flow.TaskId)
-}
-
-inline void TaskId::SharedCtor(
-    ::_pb::Arena* arena, bool is_message_owned) {
-  (void)arena;
-  (void)is_message_owned;
-  new (&_impl_) Impl_{
-      decltype(_impl_.id_){0u}
-    , /*decltype(_impl_._cached_size_)*/{}
-  };
-}
-
-TaskId::~TaskId() {
-  // @@protoc_insertion_point(destructor:greptime.v1.flow.TaskId)
-  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
-  (void)arena;
-    return;
-  }
-  SharedDtor();
-}
-
-inline void TaskId::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-}
-
-void TaskId::SetCachedSize(int size) const {
-  _impl_._cached_size_.Set(size);
-}
-
-void TaskId::Clear() {
-// @@protoc_insertion_point(message_clear_start:greptime.v1.flow.TaskId)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  _impl_.id_ = 0u;
-  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
-}
-
-const char* TaskId::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::_pbi::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // uint32 id = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
-          _impl_.id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* TaskId::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.flow.TaskId)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  // uint32 id = 1;
-  if (this->_internal_id() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteUInt32ToArray(1, this->_internal_id(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
-        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.flow.TaskId)
-  return target;
-}
-
-size_t TaskId::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:greptime.v1.flow.TaskId)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  // uint32 id = 1;
-  if (this->_internal_id() != 0) {
-    total_size += ::_pbi::WireFormatLite::UInt32SizePlusOne(this->_internal_id());
-  }
-
-  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
-}
-
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData TaskId::_class_data_ = {
-    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
-    TaskId::MergeImpl
-};
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*TaskId::GetClassData() const { return &_class_data_; }
-
-
-void TaskId::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
-  auto* const _this = static_cast<TaskId*>(&to_msg);
-  auto& from = static_cast<const TaskId&>(from_msg);
-  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.flow.TaskId)
-  GOOGLE_DCHECK_NE(&from, _this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  if (from._internal_id() != 0) {
-    _this->_internal_set_id(from._internal_id());
-  }
-  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-}
-
-void TaskId::CopyFrom(const TaskId& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.flow.TaskId)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool TaskId::IsInitialized() const {
-  return true;
-}
-
-void TaskId::InternalSwap(TaskId* other) {
-  using std::swap;
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_.id_, other->_impl_.id_);
-}
-
-::PROTOBUF_NAMESPACE_ID::Metadata TaskId::GetMetadata() const {
-  return ::_pbi::AssignDescriptors(
-      &descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_getter, &descriptor_table_greptime_2fv1_2fflow_2fserver_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fflow_2fserver_2eproto[10]);
-}
-
 // @@protoc_insertion_point(namespace_scope)
 }  // namespace flow
 }  // namespace v1
@@ -2722,10 +2536,6 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::flow::DropRequest*
 Arena::CreateMaybeMessage< ::greptime::v1::flow::DropRequest >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::flow::DropRequest >(arena);
 }
-template<> PROTOBUF_NOINLINE ::greptime::v1::flow::TaskId*
-Arena::CreateMaybeMessage< ::greptime::v1::flow::TaskId >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::greptime::v1::flow::TaskId >(arena);
-}
 PROTOBUF_NAMESPACE_CLOSE
 
 // @@protoc_insertion_point(global_scope)

c++/greptime/v1/flow/server.pb.h

@@ -83,9 +83,6 @@ extern InsertRequestDefaultTypeInternal _InsertRequest_default_instance_;
 class InsertRequests;
 struct InsertRequestsDefaultTypeInternal;
 extern InsertRequestsDefaultTypeInternal _InsertRequests_default_instance_;
-class TaskId;
-struct TaskIdDefaultTypeInternal;
-extern TaskIdDefaultTypeInternal _TaskId_default_instance_;
 }  // namespace flow
 }  // namespace v1
 }  // namespace greptime
@@ -100,7 +97,6 @@ template<> ::greptime::v1::flow::FlowResponse* Arena::CreateMaybeMessage<::grept
 template<> ::greptime::v1::flow::FlowResponse_ExtensionEntry_DoNotUse* Arena::CreateMaybeMessage<::greptime::v1::flow::FlowResponse_ExtensionEntry_DoNotUse>(Arena*);
 template<> ::greptime::v1::flow::InsertRequest* Arena::CreateMaybeMessage<::greptime::v1::flow::InsertRequest>(Arena*);
 template<> ::greptime::v1::flow::InsertRequests* Arena::CreateMaybeMessage<::greptime::v1::flow::InsertRequests>(Arena*);
-template<> ::greptime::v1::flow::TaskId* Arena::CreateMaybeMessage<::greptime::v1::flow::TaskId>(Arena*);
 PROTOBUF_NAMESPACE_CLOSE
 namespace greptime {
 namespace v1 {
@@ -1010,12 +1006,30 @@ class FlowResponse final :
   // accessors -------------------------------------------------------
 
   enum : int {
-    kExtensionFieldNumber = 3,
+    kAffectedFlowsFieldNumber = 3,
-    kAffectedTasksFieldNumber = 4,
+    kExtensionFieldNumber = 4,
     kHeaderFieldNumber = 1,
     kAffectedRowsFieldNumber = 2,
   };
-  // map<string, bytes> extension = 3;
+  // repeated .greptime.v1.FlowId affected_flows = 3;
+  int affected_flows_size() const;
+  private:
+  int _internal_affected_flows_size() const;
+  public:
+  void clear_affected_flows();
+  ::greptime::v1::FlowId* mutable_affected_flows(int index);
+  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::FlowId >*
+      mutable_affected_flows();
+  private:
+  const ::greptime::v1::FlowId& _internal_affected_flows(int index) const;
+  ::greptime::v1::FlowId* _internal_add_affected_flows();
+  public:
+  const ::greptime::v1::FlowId& affected_flows(int index) const;
+  ::greptime::v1::FlowId* add_affected_flows();
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::FlowId >&
+      affected_flows() const;
+
+  // map<string, bytes> extension = 4;
   int extension_size() const;
   private:
   int _internal_extension_size() const;
@@ -1032,24 +1046,6 @@ class FlowResponse final :
   ::PROTOBUF_NAMESPACE_ID::Map< std::string, std::string >*
       mutable_extension();
 
-  // repeated .greptime.v1.flow.TaskId affected_tasks = 4;
-  int affected_tasks_size() const;
-  private:
-  int _internal_affected_tasks_size() const;
-  public:
-  void clear_affected_tasks();
-  ::greptime::v1::flow::TaskId* mutable_affected_tasks(int index);
-  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::flow::TaskId >*
-      mutable_affected_tasks();
-  private:
-  const ::greptime::v1::flow::TaskId& _internal_affected_tasks(int index) const;
-  ::greptime::v1::flow::TaskId* _internal_add_affected_tasks();
-  public:
-  const ::greptime::v1::flow::TaskId& affected_tasks(int index) const;
-  ::greptime::v1::flow::TaskId* add_affected_tasks();
-  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::flow::TaskId >&
-      affected_tasks() const;
-
   // .greptime.v1.ResponseHeader header = 1;
   bool has_header() const;
   private:
@@ -1085,12 +1081,12 @@ class FlowResponse final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
+    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::FlowId > affected_flows_;
     ::PROTOBUF_NAMESPACE_ID::internal::MapField<
         FlowResponse_ExtensionEntry_DoNotUse,
         std::string, std::string,
         ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::TYPE_STRING,
         ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::TYPE_BYTES> extension_;
-    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::flow::TaskId > affected_tasks_;
     ::greptime::v1::ResponseHeader* header_;
     uint64_t affected_rows_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
@@ -1338,23 +1334,23 @@ class CreateRequest final :
   std::string* _internal_mutable_sql();
   public:
 
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   bool has_flow_id() const;
   private:
   bool _internal_has_flow_id() const;
   public:
   void clear_flow_id();
-  const ::greptime::v1::flow::TaskId& flow_id() const;
+  const ::greptime::v1::FlowId& flow_id() const;
-  PROTOBUF_NODISCARD ::greptime::v1::flow::TaskId* release_flow_id();
+  PROTOBUF_NODISCARD ::greptime::v1::FlowId* release_flow_id();
-  ::greptime::v1::flow::TaskId* mutable_flow_id();
+  ::greptime::v1::FlowId* mutable_flow_id();
-  void set_allocated_flow_id(::greptime::v1::flow::TaskId* flow_id);
+  void set_allocated_flow_id(::greptime::v1::FlowId* flow_id);
   private:
-  const ::greptime::v1::flow::TaskId& _internal_flow_id() const;
+  const ::greptime::v1::FlowId& _internal_flow_id() const;
-  ::greptime::v1::flow::TaskId* _internal_mutable_flow_id();
+  ::greptime::v1::FlowId* _internal_mutable_flow_id();
   public:
   void unsafe_arena_set_allocated_flow_id(
-      ::greptime::v1::flow::TaskId* flow_id);
+      ::greptime::v1::FlowId* flow_id);
-  ::greptime::v1::flow::TaskId* unsafe_arena_release_flow_id();
+  ::greptime::v1::FlowId* unsafe_arena_release_flow_id();
 
   // .greptime.v1.TableName sink_table_name = 3;
   bool has_sink_table_name() const;
@@ -1400,7 +1396,7 @@ class CreateRequest final :
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr expire_when_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr comment_;
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr sql_;
-    ::greptime::v1::flow::TaskId* flow_id_;
+    ::greptime::v1::FlowId* flow_id_;
     ::greptime::v1::TableName* sink_table_name_;
     bool create_if_not_exists_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
@@ -1533,23 +1529,23 @@ class DropRequest final :
   enum : int {
     kFlowIdFieldNumber = 1,
   };
-  // .greptime.v1.flow.TaskId flow_id = 1;
+  // .greptime.v1.FlowId flow_id = 1;
   bool has_flow_id() const;
   private:
   bool _internal_has_flow_id() const;
   public:
   void clear_flow_id();
-  const ::greptime::v1::flow::TaskId& flow_id() const;
+  const ::greptime::v1::FlowId& flow_id() const;
-  PROTOBUF_NODISCARD ::greptime::v1::flow::TaskId* release_flow_id();
+  PROTOBUF_NODISCARD ::greptime::v1::FlowId* release_flow_id();
-  ::greptime::v1::flow::TaskId* mutable_flow_id();
+  ::greptime::v1::FlowId* mutable_flow_id();
-  void set_allocated_flow_id(::greptime::v1::flow::TaskId* flow_id);
+  void set_allocated_flow_id(::greptime::v1::FlowId* flow_id);
   private:
-  const ::greptime::v1::flow::TaskId& _internal_flow_id() const;
+  const ::greptime::v1::FlowId& _internal_flow_id() const;
-  ::greptime::v1::flow::TaskId* _internal_mutable_flow_id();
+  ::greptime::v1::FlowId* _internal_mutable_flow_id();
   public:
   void unsafe_arena_set_allocated_flow_id(
-      ::greptime::v1::flow::TaskId* flow_id);
+      ::greptime::v1::FlowId* flow_id);
-  ::greptime::v1::flow::TaskId* unsafe_arena_release_flow_id();
+  ::greptime::v1::FlowId* unsafe_arena_release_flow_id();
 
   // @@protoc_insertion_point(class_scope:greptime.v1.flow.DropRequest)
  private:
@@ -1559,155 +1555,7 @@ class DropRequest final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::greptime::v1::flow::TaskId* flow_id_;
+    ::greptime::v1::FlowId* flow_id_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
-  };
-  union { Impl_ _impl_; };
-  friend struct ::TableStruct_greptime_2fv1_2fflow_2fserver_2eproto;
-};
-// -------------------------------------------------------------------
-
-class TaskId final :
-    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.flow.TaskId) */ {
- public:
-  inline TaskId() : TaskId(nullptr) {}
-  ~TaskId() override;
-  explicit PROTOBUF_CONSTEXPR TaskId(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
-
-  TaskId(const TaskId& from);
-  TaskId(TaskId&& from) noexcept
-    : TaskId() {
-    *this = ::std::move(from);
-  }
-
-  inline TaskId& operator=(const TaskId& from) {
-    CopyFrom(from);
-    return *this;
-  }
-  inline TaskId& operator=(TaskId&& from) noexcept {
-    if (this == &from) return *this;
-    if (GetOwningArena() == from.GetOwningArena()
-  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
-        && GetOwningArena() != nullptr
-  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
-    ) {
-      InternalSwap(&from);
-    } else {
-      CopyFrom(from);
-    }
-    return *this;
-  }
-
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
-    return GetDescriptor();
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
-    return default_instance().GetMetadata().descriptor;
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
-    return default_instance().GetMetadata().reflection;
-  }
-  static const TaskId& default_instance() {
-    return *internal_default_instance();
-  }
-  static inline const TaskId* internal_default_instance() {
-    return reinterpret_cast<const TaskId*>(
-               &_TaskId_default_instance_);
-  }
-  static constexpr int kIndexInFileMessages =
-    10;
-
-  friend void swap(TaskId& a, TaskId& b) {
-    a.Swap(&b);
-  }
-  inline void Swap(TaskId* other) {
-    if (other == this) return;
-  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() != nullptr &&
-        GetOwningArena() == other->GetOwningArena()) {
-   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() == other->GetOwningArena()) {
-  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
-      InternalSwap(other);
-    } else {
-      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
-    }
-  }
-  void UnsafeArenaSwap(TaskId* other) {
-    if (other == this) return;
-    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
-    InternalSwap(other);
-  }
-
-  // implements Message ----------------------------------------------
-
-  TaskId* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
-    return CreateMaybeMessage<TaskId>(arena);
-  }
-  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
-  void CopyFrom(const TaskId& from);
-  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
-  void MergeFrom( const TaskId& from) {
-    TaskId::MergeImpl(*this, from);
-  }
-  private:
-  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
-  public:
-  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
-  bool IsInitialized() const final;
-
-  size_t ByteSizeLong() const final;
-  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
-  uint8_t* _InternalSerialize(
-      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
-  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
-
-  private:
-  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
-  void SharedDtor();
-  void SetCachedSize(int size) const final;
-  void InternalSwap(TaskId* other);
-
-  private:
-  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
-  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
-    return "greptime.v1.flow.TaskId";
-  }
-  protected:
-  explicit TaskId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                       bool is_message_owned = false);
-  public:
-
-  static const ClassData _class_data_;
-  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
-
-  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
-
-  // nested types ----------------------------------------------------
-
-  // accessors -------------------------------------------------------
-
-  enum : int {
-    kIdFieldNumber = 1,
-  };
-  // uint32 id = 1;
-  void clear_id();
-  uint32_t id() const;
-  void set_id(uint32_t value);
-  private:
-  uint32_t _internal_id() const;
-  void _internal_set_id(uint32_t value);
-  public:
-
-  // @@protoc_insertion_point(class_scope:greptime.v1.flow.TaskId)
- private:
-  class _Internal;
-
-  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
-  struct Impl_ {
-    uint32_t id_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
@@ -2355,7 +2203,44 @@ inline void FlowResponse::set_affected_rows(uint64_t value) {
   // @@protoc_insertion_point(field_set:greptime.v1.flow.FlowResponse.affected_rows)
 }
 
-// map<string, bytes> extension = 3;
+// repeated .greptime.v1.FlowId affected_flows = 3;
+inline int FlowResponse::_internal_affected_flows_size() const {
+  return _impl_.affected_flows_.size();
+}
+inline int FlowResponse::affected_flows_size() const {
+  return _internal_affected_flows_size();
+}
+inline ::greptime::v1::FlowId* FlowResponse::mutable_affected_flows(int index) {
+  // @@protoc_insertion_point(field_mutable:greptime.v1.flow.FlowResponse.affected_flows)
+  return _impl_.affected_flows_.Mutable(index);
+}
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::FlowId >*
+FlowResponse::mutable_affected_flows() {
+  // @@protoc_insertion_point(field_mutable_list:greptime.v1.flow.FlowResponse.affected_flows)
+  return &_impl_.affected_flows_;
+}
+inline const ::greptime::v1::FlowId& FlowResponse::_internal_affected_flows(int index) const {
+  return _impl_.affected_flows_.Get(index);
+}
+inline const ::greptime::v1::FlowId& FlowResponse::affected_flows(int index) const {
+  // @@protoc_insertion_point(field_get:greptime.v1.flow.FlowResponse.affected_flows)
+  return _internal_affected_flows(index);
+}
+inline ::greptime::v1::FlowId* FlowResponse::_internal_add_affected_flows() {
+  return _impl_.affected_flows_.Add();
+}
+inline ::greptime::v1::FlowId* FlowResponse::add_affected_flows() {
+  ::greptime::v1::FlowId* _add = _internal_add_affected_flows();
+  // @@protoc_insertion_point(field_add:greptime.v1.flow.FlowResponse.affected_flows)
+  return _add;
+}
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::FlowId >&
+FlowResponse::affected_flows() const {
+  // @@protoc_insertion_point(field_list:greptime.v1.flow.FlowResponse.affected_flows)
+  return _impl_.affected_flows_;
+}
+
+// map<string, bytes> extension = 4;
 inline int FlowResponse::_internal_extension_size() const {
   return _impl_.extension_.size();
 }
@@ -2384,76 +2269,30 @@ FlowResponse::mutable_extension() {
   return _internal_mutable_extension();
 }
 
-// repeated .greptime.v1.flow.TaskId affected_tasks = 4;
-inline int FlowResponse::_internal_affected_tasks_size() const {
-  return _impl_.affected_tasks_.size();
-}
-inline int FlowResponse::affected_tasks_size() const {
-  return _internal_affected_tasks_size();
-}
-inline void FlowResponse::clear_affected_tasks() {
-  _impl_.affected_tasks_.Clear();
-}
-inline ::greptime::v1::flow::TaskId* FlowResponse::mutable_affected_tasks(int index) {
-  // @@protoc_insertion_point(field_mutable:greptime.v1.flow.FlowResponse.affected_tasks)
-  return _impl_.affected_tasks_.Mutable(index);
-}
-inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::flow::TaskId >*
-FlowResponse::mutable_affected_tasks() {
-  // @@protoc_insertion_point(field_mutable_list:greptime.v1.flow.FlowResponse.affected_tasks)
-  return &_impl_.affected_tasks_;
-}
-inline const ::greptime::v1::flow::TaskId& FlowResponse::_internal_affected_tasks(int index) const {
-  return _impl_.affected_tasks_.Get(index);
-}
-inline const ::greptime::v1::flow::TaskId& FlowResponse::affected_tasks(int index) const {
-  // @@protoc_insertion_point(field_get:greptime.v1.flow.FlowResponse.affected_tasks)
-  return _internal_affected_tasks(index);
-}
-inline ::greptime::v1::flow::TaskId* FlowResponse::_internal_add_affected_tasks() {
-  return _impl_.affected_tasks_.Add();
-}
-inline ::greptime::v1::flow::TaskId* FlowResponse::add_affected_tasks() {
-  ::greptime::v1::flow::TaskId* _add = _internal_add_affected_tasks();
-  // @@protoc_insertion_point(field_add:greptime.v1.flow.FlowResponse.affected_tasks)
-  return _add;
-}
-inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::flow::TaskId >&
-FlowResponse::affected_tasks() const {
-  // @@protoc_insertion_point(field_list:greptime.v1.flow.FlowResponse.affected_tasks)
-  return _impl_.affected_tasks_;
-}
-
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
 
 // CreateRequest
 
-// .greptime.v1.flow.TaskId flow_id = 1;
+// .greptime.v1.FlowId flow_id = 1;
 inline bool CreateRequest::_internal_has_flow_id() const {
   return this != internal_default_instance() && _impl_.flow_id_ != nullptr;
 }
 inline bool CreateRequest::has_flow_id() const {
   return _internal_has_flow_id();
 }
-inline void CreateRequest::clear_flow_id() {
+inline const ::greptime::v1::FlowId& CreateRequest::_internal_flow_id() const {
-  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+  const ::greptime::v1::FlowId* p = _impl_.flow_id_;
-    delete _impl_.flow_id_;
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::FlowId&>(
-  }
+      ::greptime::v1::_FlowId_default_instance_);
-  _impl_.flow_id_ = nullptr;
 }
-inline const ::greptime::v1::flow::TaskId& CreateRequest::_internal_flow_id() const {
+inline const ::greptime::v1::FlowId& CreateRequest::flow_id() const {
-  const ::greptime::v1::flow::TaskId* p = _impl_.flow_id_;
-  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::flow::TaskId&>(
-      ::greptime::v1::flow::_TaskId_default_instance_);
-}
-inline const ::greptime::v1::flow::TaskId& CreateRequest::flow_id() const {
   // @@protoc_insertion_point(field_get:greptime.v1.flow.CreateRequest.flow_id)
   return _internal_flow_id();
 }
 inline void CreateRequest::unsafe_arena_set_allocated_flow_id(
-    ::greptime::v1::flow::TaskId* flow_id) {
+    ::greptime::v1::FlowId* flow_id) {
   if (GetArenaForAllocation() == nullptr) {
     delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.flow_id_);
   }
@@ -2465,9 +2304,9 @@ inline void CreateRequest::unsafe_arena_set_allocated_flow_id(
   }
   // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.flow.CreateRequest.flow_id)
 }
-inline ::greptime::v1::flow::TaskId* CreateRequest::release_flow_id() {
+inline ::greptime::v1::FlowId* CreateRequest::release_flow_id() {
   
-  ::greptime::v1::flow::TaskId* temp = _impl_.flow_id_;
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
   _impl_.flow_id_ = nullptr;
 #ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
   auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
@@ -2480,34 +2319,35 @@ inline ::greptime::v1::flow::TaskId* CreateRequest::release_flow_id() {
 #endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
   return temp;
 }
-inline ::greptime::v1::flow::TaskId* CreateRequest::unsafe_arena_release_flow_id() {
+inline ::greptime::v1::FlowId* CreateRequest::unsafe_arena_release_flow_id() {
   // @@protoc_insertion_point(field_release:greptime.v1.flow.CreateRequest.flow_id)
   
-  ::greptime::v1::flow::TaskId* temp = _impl_.flow_id_;
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
   _impl_.flow_id_ = nullptr;
   return temp;
 }
-inline ::greptime::v1::flow::TaskId* CreateRequest::_internal_mutable_flow_id() {
+inline ::greptime::v1::FlowId* CreateRequest::_internal_mutable_flow_id() {
   
   if (_impl_.flow_id_ == nullptr) {
-    auto* p = CreateMaybeMessage<::greptime::v1::flow::TaskId>(GetArenaForAllocation());
+    auto* p = CreateMaybeMessage<::greptime::v1::FlowId>(GetArenaForAllocation());
     _impl_.flow_id_ = p;
   }
   return _impl_.flow_id_;
 }
-inline ::greptime::v1::flow::TaskId* CreateRequest::mutable_flow_id() {
+inline ::greptime::v1::FlowId* CreateRequest::mutable_flow_id() {
-  ::greptime::v1::flow::TaskId* _msg = _internal_mutable_flow_id();
+  ::greptime::v1::FlowId* _msg = _internal_mutable_flow_id();
   // @@protoc_insertion_point(field_mutable:greptime.v1.flow.CreateRequest.flow_id)
   return _msg;
 }
-inline void CreateRequest::set_allocated_flow_id(::greptime::v1::flow::TaskId* flow_id) {
+inline void CreateRequest::set_allocated_flow_id(::greptime::v1::FlowId* flow_id) {
   ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
   if (message_arena == nullptr) {
-    delete _impl_.flow_id_;
+    delete reinterpret_cast< ::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.flow_id_);
   }
   if (flow_id) {
     ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
-        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(flow_id);
+        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(
+                reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(flow_id));
     if (message_arena != submessage_arena) {
       flow_id = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
           message_arena, flow_id, submessage_arena);
@@ -2845,30 +2685,24 @@ CreateRequest::mutable_flow_options() {
 
 // DropRequest
 
-// .greptime.v1.flow.TaskId flow_id = 1;
+// .greptime.v1.FlowId flow_id = 1;
 inline bool DropRequest::_internal_has_flow_id() const {
   return this != internal_default_instance() && _impl_.flow_id_ != nullptr;
 }
 inline bool DropRequest::has_flow_id() const {
   return _internal_has_flow_id();
 }
-inline void DropRequest::clear_flow_id() {
+inline const ::greptime::v1::FlowId& DropRequest::_internal_flow_id() const {
-  if (GetArenaForAllocation() == nullptr && _impl_.flow_id_ != nullptr) {
+  const ::greptime::v1::FlowId* p = _impl_.flow_id_;
-    delete _impl_.flow_id_;
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::FlowId&>(
-  }
+      ::greptime::v1::_FlowId_default_instance_);
-  _impl_.flow_id_ = nullptr;
 }
-inline const ::greptime::v1::flow::TaskId& DropRequest::_internal_flow_id() const {
+inline const ::greptime::v1::FlowId& DropRequest::flow_id() const {
-  const ::greptime::v1::flow::TaskId* p = _impl_.flow_id_;
-  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::flow::TaskId&>(
-      ::greptime::v1::flow::_TaskId_default_instance_);
-}
-inline const ::greptime::v1::flow::TaskId& DropRequest::flow_id() const {
   // @@protoc_insertion_point(field_get:greptime.v1.flow.DropRequest.flow_id)
   return _internal_flow_id();
 }
 inline void DropRequest::unsafe_arena_set_allocated_flow_id(
-    ::greptime::v1::flow::TaskId* flow_id) {
+    ::greptime::v1::FlowId* flow_id) {
   if (GetArenaForAllocation() == nullptr) {
     delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.flow_id_);
   }
@@ -2880,9 +2714,9 @@ inline void DropRequest::unsafe_arena_set_allocated_flow_id(
   }
   // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.flow.DropRequest.flow_id)
 }
-inline ::greptime::v1::flow::TaskId* DropRequest::release_flow_id() {
+inline ::greptime::v1::FlowId* DropRequest::release_flow_id() {
   
-  ::greptime::v1::flow::TaskId* temp = _impl_.flow_id_;
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
   _impl_.flow_id_ = nullptr;
 #ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
   auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
@@ -2895,34 +2729,35 @@ inline ::greptime::v1::flow::TaskId* DropRequest::release_flow_id() {
 #endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
   return temp;
 }
-inline ::greptime::v1::flow::TaskId* DropRequest::unsafe_arena_release_flow_id() {
+inline ::greptime::v1::FlowId* DropRequest::unsafe_arena_release_flow_id() {
   // @@protoc_insertion_point(field_release:greptime.v1.flow.DropRequest.flow_id)
   
-  ::greptime::v1::flow::TaskId* temp = _impl_.flow_id_;
+  ::greptime::v1::FlowId* temp = _impl_.flow_id_;
   _impl_.flow_id_ = nullptr;
   return temp;
 }
-inline ::greptime::v1::flow::TaskId* DropRequest::_internal_mutable_flow_id() {
+inline ::greptime::v1::FlowId* DropRequest::_internal_mutable_flow_id() {
   
   if (_impl_.flow_id_ == nullptr) {
-    auto* p = CreateMaybeMessage<::greptime::v1::flow::TaskId>(GetArenaForAllocation());
+    auto* p = CreateMaybeMessage<::greptime::v1::FlowId>(GetArenaForAllocation());
     _impl_.flow_id_ = p;
   }
   return _impl_.flow_id_;
 }
-inline ::greptime::v1::flow::TaskId* DropRequest::mutable_flow_id() {
+inline ::greptime::v1::FlowId* DropRequest::mutable_flow_id() {
-  ::greptime::v1::flow::TaskId* _msg = _internal_mutable_flow_id();
+  ::greptime::v1::FlowId* _msg = _internal_mutable_flow_id();
   // @@protoc_insertion_point(field_mutable:greptime.v1.flow.DropRequest.flow_id)
   return _msg;
 }
-inline void DropRequest::set_allocated_flow_id(::greptime::v1::flow::TaskId* flow_id) {
+inline void DropRequest::set_allocated_flow_id(::greptime::v1::FlowId* flow_id) {
   ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
   if (message_arena == nullptr) {
-    delete _impl_.flow_id_;
+    delete reinterpret_cast< ::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.flow_id_);
   }
   if (flow_id) {
     ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
-        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(flow_id);
+        ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(
+                reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(flow_id));
     if (message_arena != submessage_arena) {
       flow_id = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
           message_arena, flow_id, submessage_arena);
@@ -2935,30 +2770,6 @@ inline void DropRequest::set_allocated_flow_id(::greptime::v1::flow::TaskId* flo
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.flow.DropRequest.flow_id)
 }
 
-// -------------------------------------------------------------------
-
-// TaskId
-
-// uint32 id = 1;
-inline void TaskId::clear_id() {
-  _impl_.id_ = 0u;
-}
-inline uint32_t TaskId::_internal_id() const {
-  return _impl_.id_;
-}
-inline uint32_t TaskId::id() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.flow.TaskId.id)
-  return _internal_id();
-}
-inline void TaskId::_internal_set_id(uint32_t value) {
-  
-  _impl_.id_ = value;
-}
-inline void TaskId::set_id(uint32_t value) {
-  _internal_set_id(value);
-  // @@protoc_insertion_point(field_set:greptime.v1.flow.TaskId.id)
-}
-
 #ifdef __GNUC__
   #pragma GCC diagnostic pop
 #endif  // __GNUC__
@@ -2980,8 +2791,6 @@ inline void TaskId::set_id(uint32_t value) {
 
 // -------------------------------------------------------------------
 
-// -------------------------------------------------------------------
-
 
 // @@protoc_insertion_point(namespace_scope)
 

c++/greptime/v1/meta/common.pb.cc

@@ -94,19 +94,6 @@ struct PeerDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 PeerDefaultTypeInternal _Peer_default_instance_;
-PROTOBUF_CONSTEXPR TableId::TableId(
-    ::_pbi::ConstantInitialized): _impl_{
-    /*decltype(_impl_.id_)*/0u
-  , /*decltype(_impl_._cached_size_)*/{}} {}
-struct TableIdDefaultTypeInternal {
-  PROTOBUF_CONSTEXPR TableIdDefaultTypeInternal()
-      : _instance(::_pbi::ConstantInitialized{}) {}
-  ~TableIdDefaultTypeInternal() {}
-  union {
-    TableId _instance;
-  };
-};
-PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TableIdDefaultTypeInternal _TableId_default_instance_;
 PROTOBUF_CONSTEXPR TimeInterval::TimeInterval(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.start_timestamp_millis_)*/int64_t{0}
@@ -151,7 +138,7 @@ PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORIT
 }  // namespace meta
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[9];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[8];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fmeta_2fcommon_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fmeta_2fcommon_2eproto = nullptr;
 
@@ -203,13 +190,6 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fcommon_2eproto::offsets[] PROT
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::Peer, _impl_.id_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::Peer, _impl_.addr_),
   ~0u,  // no _has_bits_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TableId, _internal_metadata_),
-  ~0u,  // no _extensions_
-  ~0u,  // no _oneof_case_
-  ~0u,  // no _weak_field_map_
-  ~0u,  // no _inlined_string_donated_
-  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TableId, _impl_.id_),
-  ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TimeInterval, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
@@ -239,10 +219,9 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 21, -1, -1, sizeof(::greptime::v1::meta::ResponseHeader)},
   { 30, -1, -1, sizeof(::greptime::v1::meta::Error)},
   { 38, -1, -1, sizeof(::greptime::v1::meta::Peer)},
-  { 46, -1, -1, sizeof(::greptime::v1::meta::TableId)},
+  { 46, -1, -1, sizeof(::greptime::v1::meta::TimeInterval)},
-  { 53, -1, -1, sizeof(::greptime::v1::meta::TimeInterval)},
+  { 54, -1, -1, sizeof(::greptime::v1::meta::KeyValue)},
-  { 61, -1, -1, sizeof(::greptime::v1::meta::KeyValue)},
+  { 62, -1, -1, sizeof(::greptime::v1::meta::ProcedureId)},
-  { 69, -1, -1, sizeof(::greptime::v1::meta::ProcedureId)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -251,7 +230,6 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::meta::_ResponseHeader_default_instance_._instance,
   &::greptime::v1::meta::_Error_default_instance_._instance,
   &::greptime::v1::meta::_Peer_default_instance_._instance,
-  &::greptime::v1::meta::_TableId_default_instance_._instance,
   &::greptime::v1::meta::_TimeInterval_default_instance_._instance,
   &::greptime::v1::meta::_KeyValue_default_instance_._instance,
   &::greptime::v1::meta::_ProcedureId_default_instance_._instance,
@@ -270,19 +248,19 @@ const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fcommon_2eproto[] PRO
   "d\030\002 \001(\004\022&\n\005error\030\003 \001(\0132\027.greptime.v1.met"
   "a.Error\"&\n\005Error\022\014\n\004code\030\001 \001(\005\022\017\n\007err_ms"
   "g\030\002 \001(\t\" \n\004Peer\022\n\n\002id\030\001 \001(\004\022\014\n\004addr\030\002 \001("
-  "\t\"\025\n\007TableId\022\n\n\002id\030\001 \001(\r\"L\n\014TimeInterval"
+  "\t\"L\n\014TimeInterval\022\036\n\026start_timestamp_mil"
-  "\022\036\n\026start_timestamp_millis\030\001 \001(\003\022\034\n\024end_"
+  "lis\030\001 \001(\003\022\034\n\024end_timestamp_millis\030\002 \001(\003\""
-  "timestamp_millis\030\002 \001(\003\"&\n\010KeyValue\022\013\n\003ke"
+  "&\n\010KeyValue\022\013\n\003key\030\001 \001(\014\022\r\n\005value\030\002 \001(\014\""
-  "y\030\001 \001(\014\022\r\n\005value\030\002 \001(\014\"\032\n\013ProcedureId\022\013\n"
+  "\032\n\013ProcedureId\022\013\n\003key\030\001 \001(\014*\"\n\004Role\022\014\n\010D"
-  "\003key\030\001 \001(\014*\"\n\004Role\022\014\n\010DATANODE\020\000\022\014\n\010FRON"
+  "ATANODE\020\000\022\014\n\010FRONTEND\020\001B<Z:github.com/Gr"
-  "TEND\020\001B<Z:github.com/GreptimeTeam/grepti"
+  "eptimeTeam/greptime-proto/go/greptime/v1"
-  "me-proto/go/greptime/v1/metab\006proto3"
+  "/metab\006proto3"
   ;
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto = {
-    false, false, 756, descriptor_table_protodef_greptime_2fv1_2fmeta_2fcommon_2eproto,
+    false, false, 733, descriptor_table_protodef_greptime_2fv1_2fmeta_2fcommon_2eproto,
     "greptime/v1/meta/common.proto",
-    &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once, nullptr, 0, 9,
+    &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once, nullptr, 0, 8,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fmeta_2fcommon_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto, file_level_enum_descriptors_greptime_2fv1_2fmeta_2fcommon_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fmeta_2fcommon_2eproto,
@@ -1369,184 +1347,6 @@ void Peer::InternalSwap(Peer* other) {
 
 // ===================================================================
 
-class TableId::_Internal {
- public:
-};
-
-TableId::TableId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                         bool is_message_owned)
-  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
-  SharedCtor(arena, is_message_owned);
-  // @@protoc_insertion_point(arena_constructor:greptime.v1.meta.TableId)
-}
-TableId::TableId(const TableId& from)
-  : ::PROTOBUF_NAMESPACE_ID::Message() {
-  TableId* const _this = this; (void)_this;
-  new (&_impl_) Impl_{
-      decltype(_impl_.id_){}
-    , /*decltype(_impl_._cached_size_)*/{}};
-
-  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-  _this->_impl_.id_ = from._impl_.id_;
-  // @@protoc_insertion_point(copy_constructor:greptime.v1.meta.TableId)
-}
-
-inline void TableId::SharedCtor(
-    ::_pb::Arena* arena, bool is_message_owned) {
-  (void)arena;
-  (void)is_message_owned;
-  new (&_impl_) Impl_{
-      decltype(_impl_.id_){0u}
-    , /*decltype(_impl_._cached_size_)*/{}
-  };
-}
-
-TableId::~TableId() {
-  // @@protoc_insertion_point(destructor:greptime.v1.meta.TableId)
-  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
-  (void)arena;
-    return;
-  }
-  SharedDtor();
-}
-
-inline void TableId::SharedDtor() {
-  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
-}
-
-void TableId::SetCachedSize(int size) const {
-  _impl_._cached_size_.Set(size);
-}
-
-void TableId::Clear() {
-// @@protoc_insertion_point(message_clear_start:greptime.v1.meta.TableId)
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  _impl_.id_ = 0u;
-  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
-}
-
-const char* TableId::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
-#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
-  while (!ctx->Done(&ptr)) {
-    uint32_t tag;
-    ptr = ::_pbi::ReadTag(ptr, &tag);
-    switch (tag >> 3) {
-      // uint32 id = 1;
-      case 1:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 8)) {
-          _impl_.id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
-          CHK_(ptr);
-        } else
-          goto handle_unusual;
-        continue;
-      default:
-        goto handle_unusual;
-    }  // switch
-  handle_unusual:
-    if ((tag == 0) || ((tag & 7) == 4)) {
-      CHK_(ptr);
-      ctx->SetLastTag(tag);
-      goto message_done;
-    }
-    ptr = UnknownFieldParse(
-        tag,
-        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
-        ptr, ctx);
-    CHK_(ptr != nullptr);
-  }  // while
-message_done:
-  return ptr;
-failure:
-  ptr = nullptr;
-  goto message_done;
-#undef CHK_
-}
-
-uint8_t* TableId::_InternalSerialize(
-    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
-  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.meta.TableId)
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  // uint32 id = 1;
-  if (this->_internal_id() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteUInt32ToArray(1, this->_internal_id(), target);
-  }
-
-  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
-    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
-        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
-  }
-  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.meta.TableId)
-  return target;
-}
-
-size_t TableId::ByteSizeLong() const {
-// @@protoc_insertion_point(message_byte_size_start:greptime.v1.meta.TableId)
-  size_t total_size = 0;
-
-  uint32_t cached_has_bits = 0;
-  // Prevent compiler warnings about cached_has_bits being unused
-  (void) cached_has_bits;
-
-  // uint32 id = 1;
-  if (this->_internal_id() != 0) {
-    total_size += ::_pbi::WireFormatLite::UInt32SizePlusOne(this->_internal_id());
-  }
-
-  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
-}
-
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData TableId::_class_data_ = {
-    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
-    TableId::MergeImpl
-};
-const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*TableId::GetClassData() const { return &_class_data_; }
-
-
-void TableId::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
-  auto* const _this = static_cast<TableId*>(&to_msg);
-  auto& from = static_cast<const TableId&>(from_msg);
-  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.meta.TableId)
-  GOOGLE_DCHECK_NE(&from, _this);
-  uint32_t cached_has_bits = 0;
-  (void) cached_has_bits;
-
-  if (from._internal_id() != 0) {
-    _this->_internal_set_id(from._internal_id());
-  }
-  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-}
-
-void TableId::CopyFrom(const TableId& from) {
-// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.meta.TableId)
-  if (&from == this) return;
-  Clear();
-  MergeFrom(from);
-}
-
-bool TableId::IsInitialized() const {
-  return true;
-}
-
-void TableId::InternalSwap(TableId* other) {
-  using std::swap;
-  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
-  swap(_impl_.id_, other->_impl_.id_);
-}
-
-::PROTOBUF_NAMESPACE_ID::Metadata TableId::GetMetadata() const {
-  return ::_pbi::AssignDescriptors(
-      &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[5]);
-}
-
-// ===================================================================
-
 class TimeInterval::_Internal {
  public:
 };
@@ -1753,7 +1553,7 @@ void TimeInterval::InternalSwap(TimeInterval* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata TimeInterval::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[6]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[5]);
 }
 
 // ===================================================================
@@ -1996,7 +1796,7 @@ void KeyValue::InternalSwap(KeyValue* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata KeyValue::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[7]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[6]);
 }
 
 // ===================================================================
@@ -2194,7 +1994,7 @@ void ProcedureId::InternalSwap(ProcedureId* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata ProcedureId::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[8]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fcommon_2eproto[7]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -2222,10 +2022,6 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::meta::Peer*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::Peer >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::Peer >(arena);
 }
-template<> PROTOBUF_NOINLINE ::greptime::v1::meta::TableId*
-Arena::CreateMaybeMessage< ::greptime::v1::meta::TableId >(Arena* arena) {
-  return Arena::CreateMessageInternal< ::greptime::v1::meta::TableId >(arena);
-}
 template<> PROTOBUF_NOINLINE ::greptime::v1::meta::TimeInterval*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::TimeInterval >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::TimeInterval >(arena);

c++/greptime/v1/meta/common.pb.h

@@ -72,9 +72,6 @@ extern RequestHeader_TracingContextEntry_DoNotUseDefaultTypeInternal _RequestHea
 class ResponseHeader;
 struct ResponseHeaderDefaultTypeInternal;
 extern ResponseHeaderDefaultTypeInternal _ResponseHeader_default_instance_;
-class TableId;
-struct TableIdDefaultTypeInternal;
-extern TableIdDefaultTypeInternal _TableId_default_instance_;
 class TimeInterval;
 struct TimeIntervalDefaultTypeInternal;
 extern TimeIntervalDefaultTypeInternal _TimeInterval_default_instance_;
@@ -89,7 +86,6 @@ template<> ::greptime::v1::meta::ProcedureId* Arena::CreateMaybeMessage<::grepti
 template<> ::greptime::v1::meta::RequestHeader* Arena::CreateMaybeMessage<::greptime::v1::meta::RequestHeader>(Arena*);
 template<> ::greptime::v1::meta::RequestHeader_TracingContextEntry_DoNotUse* Arena::CreateMaybeMessage<::greptime::v1::meta::RequestHeader_TracingContextEntry_DoNotUse>(Arena*);
 template<> ::greptime::v1::meta::ResponseHeader* Arena::CreateMaybeMessage<::greptime::v1::meta::ResponseHeader>(Arena*);
-template<> ::greptime::v1::meta::TableId* Arena::CreateMaybeMessage<::greptime::v1::meta::TableId>(Arena*);
 template<> ::greptime::v1::meta::TimeInterval* Arena::CreateMaybeMessage<::greptime::v1::meta::TimeInterval>(Arena*);
 PROTOBUF_NAMESPACE_CLOSE
 namespace greptime {
@@ -865,154 +861,6 @@ class Peer final :
 };
 // -------------------------------------------------------------------
 
-class TableId final :
-    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.meta.TableId) */ {
- public:
-  inline TableId() : TableId(nullptr) {}
-  ~TableId() override;
-  explicit PROTOBUF_CONSTEXPR TableId(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
-
-  TableId(const TableId& from);
-  TableId(TableId&& from) noexcept
-    : TableId() {
-    *this = ::std::move(from);
-  }
-
-  inline TableId& operator=(const TableId& from) {
-    CopyFrom(from);
-    return *this;
-  }
-  inline TableId& operator=(TableId&& from) noexcept {
-    if (this == &from) return *this;
-    if (GetOwningArena() == from.GetOwningArena()
-  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
-        && GetOwningArena() != nullptr
-  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
-    ) {
-      InternalSwap(&from);
-    } else {
-      CopyFrom(from);
-    }
-    return *this;
-  }
-
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
-    return GetDescriptor();
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
-    return default_instance().GetMetadata().descriptor;
-  }
-  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
-    return default_instance().GetMetadata().reflection;
-  }
-  static const TableId& default_instance() {
-    return *internal_default_instance();
-  }
-  static inline const TableId* internal_default_instance() {
-    return reinterpret_cast<const TableId*>(
-               &_TableId_default_instance_);
-  }
-  static constexpr int kIndexInFileMessages =
-    5;
-
-  friend void swap(TableId& a, TableId& b) {
-    a.Swap(&b);
-  }
-  inline void Swap(TableId* other) {
-    if (other == this) return;
-  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() != nullptr &&
-        GetOwningArena() == other->GetOwningArena()) {
-   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
-    if (GetOwningArena() == other->GetOwningArena()) {
-  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
-      InternalSwap(other);
-    } else {
-      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
-    }
-  }
-  void UnsafeArenaSwap(TableId* other) {
-    if (other == this) return;
-    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
-    InternalSwap(other);
-  }
-
-  // implements Message ----------------------------------------------
-
-  TableId* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
-    return CreateMaybeMessage<TableId>(arena);
-  }
-  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
-  void CopyFrom(const TableId& from);
-  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
-  void MergeFrom( const TableId& from) {
-    TableId::MergeImpl(*this, from);
-  }
-  private:
-  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
-  public:
-  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
-  bool IsInitialized() const final;
-
-  size_t ByteSizeLong() const final;
-  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
-  uint8_t* _InternalSerialize(
-      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
-  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
-
-  private:
-  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
-  void SharedDtor();
-  void SetCachedSize(int size) const final;
-  void InternalSwap(TableId* other);
-
-  private:
-  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
-  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
-    return "greptime.v1.meta.TableId";
-  }
-  protected:
-  explicit TableId(::PROTOBUF_NAMESPACE_ID::Arena* arena,
-                       bool is_message_owned = false);
-  public:
-
-  static const ClassData _class_data_;
-  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
-
-  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
-
-  // nested types ----------------------------------------------------
-
-  // accessors -------------------------------------------------------
-
-  enum : int {
-    kIdFieldNumber = 1,
-  };
-  // uint32 id = 1;
-  void clear_id();
-  uint32_t id() const;
-  void set_id(uint32_t value);
-  private:
-  uint32_t _internal_id() const;
-  void _internal_set_id(uint32_t value);
-  public:
-
-  // @@protoc_insertion_point(class_scope:greptime.v1.meta.TableId)
- private:
-  class _Internal;
-
-  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
-  typedef void InternalArenaConstructable_;
-  typedef void DestructorSkippable_;
-  struct Impl_ {
-    uint32_t id_;
-    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
-  };
-  union { Impl_ _impl_; };
-  friend struct ::TableStruct_greptime_2fv1_2fmeta_2fcommon_2eproto;
-};
-// -------------------------------------------------------------------
-
 class TimeInterval final :
     public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.meta.TimeInterval) */ {
  public:
@@ -1061,7 +909,7 @@ class TimeInterval final :
                &_TimeInterval_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    6;
+    5;
 
   friend void swap(TimeInterval& a, TimeInterval& b) {
     a.Swap(&b);
@@ -1220,7 +1068,7 @@ class KeyValue final :
                &_KeyValue_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    7;
+    6;
 
   friend void swap(KeyValue& a, KeyValue& b) {
     a.Swap(&b);
@@ -1389,7 +1237,7 @@ class ProcedureId final :
                &_ProcedureId_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    8;
+    7;
 
   friend void swap(ProcedureId& a, ProcedureId& b) {
     a.Swap(&b);
@@ -1898,30 +1746,6 @@ inline void Peer::set_allocated_addr(std::string* addr) {
 
 // -------------------------------------------------------------------
 
-// TableId
-
-// uint32 id = 1;
-inline void TableId::clear_id() {
-  _impl_.id_ = 0u;
-}
-inline uint32_t TableId::_internal_id() const {
-  return _impl_.id_;
-}
-inline uint32_t TableId::id() const {
-  // @@protoc_insertion_point(field_get:greptime.v1.meta.TableId.id)
-  return _internal_id();
-}
-inline void TableId::_internal_set_id(uint32_t value) {
-  
-  _impl_.id_ = value;
-}
-inline void TableId::set_id(uint32_t value) {
-  _internal_set_id(value);
-  // @@protoc_insertion_point(field_set:greptime.v1.meta.TableId.id)
-}
-
-// -------------------------------------------------------------------
-
 // TimeInterval
 
 // int64 start_timestamp_millis = 1;
@@ -2139,8 +1963,6 @@ inline void ProcedureId::set_allocated_key(std::string* key) {
 
 // -------------------------------------------------------------------
 
-// -------------------------------------------------------------------
-
 
 // @@protoc_insertion_point(namespace_scope)
 

c++/greptime/v1/meta/ddl.pb.cc

@@ -396,15 +396,14 @@ const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto[] PROTOB
   "baseTaskH\000\022<\n\020create_flow_task\030\013 \001(\0132 .g"
   "reptime.v1.meta.CreateFlowTaskH\000\0228\n\016drop"
   "_flow_task\030\014 \001(\0132\036.greptime.v1.meta.Drop"
-  "FlowTaskH\000B\006\n\004task\"\312\001\n\017DdlTaskResponse\0220"
+  "FlowTaskH\000B\006\n\004task\"\300\001\n\017DdlTaskResponse\0220"
   "\n\006header\030\001 \001(\0132 .greptime.v1.meta.Respon"
   "seHeader\022*\n\003pid\030\002 \001(\0132\035.greptime.v1.meta"
-  ".ProcedureId\022+\n\010table_id\030\004 \001(\0132\031.greptim"
+  ".ProcedureId\022&\n\010table_id\030\004 \001(\0132\024.greptim"
-  "e.v1.meta.TableId\022,\n\ttable_ids\030\005 \003(\0132\031.g"
+  "e.v1.TableId\022\'\n\ttable_ids\030\005 \003(\0132\024.grepti"
-  "reptime.v1.meta.TableId*#\n\013DdlTaskType\022\n"
+  "me.v1.TableId*#\n\013DdlTaskType\022\n\n\006Create\020\000"
-  "\n\006Create\020\000\022\010\n\004Drop\020\001B<Z:github.com/Grept"
+  "\022\010\n\004Drop\020\001B<Z:github.com/GreptimeTeam/gr"
-  "imeTeam/greptime-proto/go/greptime/v1/me"
+  "eptime-proto/go/greptime/v1/metab\006proto3"
-  "tab\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_deps[4] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
@@ -414,7 +413,7 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fmet
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto = {
-    false, false, 2130, descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto,
+    false, false, 2120, descriptor_table_protodef_greptime_2fv1_2fmeta_2fddl_2eproto,
     "greptime/v1/meta/ddl.proto",
     &descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_once, descriptor_table_greptime_2fv1_2fmeta_2fddl_2eproto_deps, 4, 13,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fmeta_2fddl_2eproto::offsets,
@@ -3609,7 +3608,7 @@ class DdlTaskResponse::_Internal {
  public:
   static const ::greptime::v1::meta::ResponseHeader& header(const DdlTaskResponse* msg);
   static const ::greptime::v1::meta::ProcedureId& pid(const DdlTaskResponse* msg);
-  static const ::greptime::v1::meta::TableId& table_id(const DdlTaskResponse* msg);
+  static const ::greptime::v1::TableId& table_id(const DdlTaskResponse* msg);
 };
 
 const ::greptime::v1::meta::ResponseHeader&
@@ -3620,7 +3619,7 @@ const ::greptime::v1::meta::ProcedureId&
 DdlTaskResponse::_Internal::pid(const DdlTaskResponse* msg) {
   return *msg->_impl_.pid_;
 }
-const ::greptime::v1::meta::TableId&
+const ::greptime::v1::TableId&
 DdlTaskResponse::_Internal::table_id(const DdlTaskResponse* msg) {
   return *msg->_impl_.table_id_;
 }
@@ -3669,7 +3668,7 @@ DdlTaskResponse::DdlTaskResponse(const DdlTaskResponse& from)
     _this->_impl_.pid_ = new ::greptime::v1::meta::ProcedureId(*from._impl_.pid_);
   }
   if (from._internal_has_table_id()) {
-    _this->_impl_.table_id_ = new ::greptime::v1::meta::TableId(*from._impl_.table_id_);
+    _this->_impl_.table_id_ = new ::greptime::v1::TableId(*from._impl_.table_id_);
   }
   // @@protoc_insertion_point(copy_constructor:greptime.v1.meta.DdlTaskResponse)
 }
@@ -3752,7 +3751,7 @@ const char* DdlTaskResponse::_InternalParse(const char* ptr, ::_pbi::ParseContex
         } else
           goto handle_unusual;
         continue;
-      // .greptime.v1.meta.TableId table_id = 4;
+      // .greptime.v1.TableId table_id = 4;
       case 4:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
           ptr = ctx->ParseMessage(_internal_mutable_table_id(), ptr);
@@ -3760,7 +3759,7 @@ const char* DdlTaskResponse::_InternalParse(const char* ptr, ::_pbi::ParseContex
         } else
           goto handle_unusual;
         continue;
-      // repeated .greptime.v1.meta.TableId table_ids = 5;
+      // repeated .greptime.v1.TableId table_ids = 5;
       case 5:
         if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 42)) {
           ptr -= 1;
@@ -3816,14 +3815,14 @@ uint8_t* DdlTaskResponse::_InternalSerialize(
         _Internal::pid(this).GetCachedSize(), target, stream);
   }
 
-  // .greptime.v1.meta.TableId table_id = 4;
+  // .greptime.v1.TableId table_id = 4;
   if (this->_internal_has_table_id()) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
       InternalWriteMessage(4, _Internal::table_id(this),
         _Internal::table_id(this).GetCachedSize(), target, stream);
   }
 
-  // repeated .greptime.v1.meta.TableId table_ids = 5;
+  // repeated .greptime.v1.TableId table_ids = 5;
   for (unsigned i = 0,
       n = static_cast<unsigned>(this->_internal_table_ids_size()); i < n; i++) {
     const auto& repfield = this->_internal_table_ids(i);
@@ -3847,7 +3846,7 @@ size_t DdlTaskResponse::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  // repeated .greptime.v1.meta.TableId table_ids = 5;
+  // repeated .greptime.v1.TableId table_ids = 5;
   total_size += 1UL * this->_internal_table_ids_size();
   for (const auto& msg : this->_impl_.table_ids_) {
     total_size +=
@@ -3868,7 +3867,7 @@ size_t DdlTaskResponse::ByteSizeLong() const {
         *_impl_.pid_);
   }
 
-  // .greptime.v1.meta.TableId table_id = 4;
+  // .greptime.v1.TableId table_id = 4;
   if (this->_internal_has_table_id()) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
@@ -3903,7 +3902,7 @@ void DdlTaskResponse::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const
         from._internal_pid());
   }
   if (from._internal_has_table_id()) {
-    _this->_internal_mutable_table_id()->::greptime::v1::meta::TableId::MergeFrom(
+    _this->_internal_mutable_table_id()->::greptime::v1::TableId::MergeFrom(
         from._internal_table_id());
   }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);

c++/greptime/v1/meta/ddl.pb.h

@@ -2463,22 +2463,22 @@ class DdlTaskResponse final :
     kPidFieldNumber = 2,
     kTableIdFieldNumber = 4,
   };
-  // repeated .greptime.v1.meta.TableId table_ids = 5;
+  // repeated .greptime.v1.TableId table_ids = 5;
   int table_ids_size() const;
   private:
   int _internal_table_ids_size() const;
   public:
   void clear_table_ids();
-  ::greptime::v1::meta::TableId* mutable_table_ids(int index);
+  ::greptime::v1::TableId* mutable_table_ids(int index);
-  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TableId >*
+  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::TableId >*
       mutable_table_ids();
   private:
-  const ::greptime::v1::meta::TableId& _internal_table_ids(int index) const;
+  const ::greptime::v1::TableId& _internal_table_ids(int index) const;
-  ::greptime::v1::meta::TableId* _internal_add_table_ids();
+  ::greptime::v1::TableId* _internal_add_table_ids();
   public:
-  const ::greptime::v1::meta::TableId& table_ids(int index) const;
+  const ::greptime::v1::TableId& table_ids(int index) const;
-  ::greptime::v1::meta::TableId* add_table_ids();
+  ::greptime::v1::TableId* add_table_ids();
-  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TableId >&
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::TableId >&
       table_ids() const;
 
   // .greptime.v1.meta.ResponseHeader header = 1;
@@ -2517,23 +2517,23 @@ class DdlTaskResponse final :
       ::greptime::v1::meta::ProcedureId* pid);
   ::greptime::v1::meta::ProcedureId* unsafe_arena_release_pid();
 
-  // .greptime.v1.meta.TableId table_id = 4;
+  // .greptime.v1.TableId table_id = 4;
   bool has_table_id() const;
   private:
   bool _internal_has_table_id() const;
   public:
   void clear_table_id();
-  const ::greptime::v1::meta::TableId& table_id() const;
+  const ::greptime::v1::TableId& table_id() const;
-  PROTOBUF_NODISCARD ::greptime::v1::meta::TableId* release_table_id();
+  PROTOBUF_NODISCARD ::greptime::v1::TableId* release_table_id();
-  ::greptime::v1::meta::TableId* mutable_table_id();
+  ::greptime::v1::TableId* mutable_table_id();
-  void set_allocated_table_id(::greptime::v1::meta::TableId* table_id);
+  void set_allocated_table_id(::greptime::v1::TableId* table_id);
   private:
-  const ::greptime::v1::meta::TableId& _internal_table_id() const;
+  const ::greptime::v1::TableId& _internal_table_id() const;
-  ::greptime::v1::meta::TableId* _internal_mutable_table_id();
+  ::greptime::v1::TableId* _internal_mutable_table_id();
   public:
   void unsafe_arena_set_allocated_table_id(
-      ::greptime::v1::meta::TableId* table_id);
+      ::greptime::v1::TableId* table_id);
-  ::greptime::v1::meta::TableId* unsafe_arena_release_table_id();
+  ::greptime::v1::TableId* unsafe_arena_release_table_id();
 
   // @@protoc_insertion_point(class_scope:greptime.v1.meta.DdlTaskResponse)
  private:
@@ -2543,10 +2543,10 @@ class DdlTaskResponse final :
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   struct Impl_ {
-    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TableId > table_ids_;
+    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::TableId > table_ids_;
     ::greptime::v1::meta::ResponseHeader* header_;
     ::greptime::v1::meta::ProcedureId* pid_;
-    ::greptime::v1::meta::TableId* table_id_;
+    ::greptime::v1::TableId* table_id_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
@@ -4661,24 +4661,24 @@ inline void DdlTaskResponse::set_allocated_pid(::greptime::v1::meta::ProcedureId
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.DdlTaskResponse.pid)
 }
 
-// .greptime.v1.meta.TableId table_id = 4;
+// .greptime.v1.TableId table_id = 4;
 inline bool DdlTaskResponse::_internal_has_table_id() const {
   return this != internal_default_instance() && _impl_.table_id_ != nullptr;
 }
 inline bool DdlTaskResponse::has_table_id() const {
   return _internal_has_table_id();
 }
-inline const ::greptime::v1::meta::TableId& DdlTaskResponse::_internal_table_id() const {
+inline const ::greptime::v1::TableId& DdlTaskResponse::_internal_table_id() const {
-  const ::greptime::v1::meta::TableId* p = _impl_.table_id_;
+  const ::greptime::v1::TableId* p = _impl_.table_id_;
-  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::meta::TableId&>(
+  return p != nullptr ? *p : reinterpret_cast<const ::greptime::v1::TableId&>(
-      ::greptime::v1::meta::_TableId_default_instance_);
+      ::greptime::v1::_TableId_default_instance_);
 }
-inline const ::greptime::v1::meta::TableId& DdlTaskResponse::table_id() const {
+inline const ::greptime::v1::TableId& DdlTaskResponse::table_id() const {
   // @@protoc_insertion_point(field_get:greptime.v1.meta.DdlTaskResponse.table_id)
   return _internal_table_id();
 }
 inline void DdlTaskResponse::unsafe_arena_set_allocated_table_id(
-    ::greptime::v1::meta::TableId* table_id) {
+    ::greptime::v1::TableId* table_id) {
   if (GetArenaForAllocation() == nullptr) {
     delete reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.table_id_);
   }
@@ -4690,9 +4690,9 @@ inline void DdlTaskResponse::unsafe_arena_set_allocated_table_id(
   }
   // @@protoc_insertion_point(field_unsafe_arena_set_allocated:greptime.v1.meta.DdlTaskResponse.table_id)
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::release_table_id() {
+inline ::greptime::v1::TableId* DdlTaskResponse::release_table_id() {
   
-  ::greptime::v1::meta::TableId* temp = _impl_.table_id_;
+  ::greptime::v1::TableId* temp = _impl_.table_id_;
   _impl_.table_id_ = nullptr;
 #ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
   auto* old =  reinterpret_cast<::PROTOBUF_NAMESPACE_ID::MessageLite*>(temp);
@@ -4705,27 +4705,27 @@ inline ::greptime::v1::meta::TableId* DdlTaskResponse::release_table_id() {
 #endif  // !PROTOBUF_FORCE_COPY_IN_RELEASE
   return temp;
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::unsafe_arena_release_table_id() {
+inline ::greptime::v1::TableId* DdlTaskResponse::unsafe_arena_release_table_id() {
   // @@protoc_insertion_point(field_release:greptime.v1.meta.DdlTaskResponse.table_id)
   
-  ::greptime::v1::meta::TableId* temp = _impl_.table_id_;
+  ::greptime::v1::TableId* temp = _impl_.table_id_;
   _impl_.table_id_ = nullptr;
   return temp;
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::_internal_mutable_table_id() {
+inline ::greptime::v1::TableId* DdlTaskResponse::_internal_mutable_table_id() {
   
   if (_impl_.table_id_ == nullptr) {
-    auto* p = CreateMaybeMessage<::greptime::v1::meta::TableId>(GetArenaForAllocation());
+    auto* p = CreateMaybeMessage<::greptime::v1::TableId>(GetArenaForAllocation());
     _impl_.table_id_ = p;
   }
   return _impl_.table_id_;
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::mutable_table_id() {
+inline ::greptime::v1::TableId* DdlTaskResponse::mutable_table_id() {
-  ::greptime::v1::meta::TableId* _msg = _internal_mutable_table_id();
+  ::greptime::v1::TableId* _msg = _internal_mutable_table_id();
   // @@protoc_insertion_point(field_mutable:greptime.v1.meta.DdlTaskResponse.table_id)
   return _msg;
 }
-inline void DdlTaskResponse::set_allocated_table_id(::greptime::v1::meta::TableId* table_id) {
+inline void DdlTaskResponse::set_allocated_table_id(::greptime::v1::TableId* table_id) {
   ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
   if (message_arena == nullptr) {
     delete reinterpret_cast< ::PROTOBUF_NAMESPACE_ID::MessageLite*>(_impl_.table_id_);
@@ -4746,38 +4746,38 @@ inline void DdlTaskResponse::set_allocated_table_id(::greptime::v1::meta::TableI
   // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.DdlTaskResponse.table_id)
 }
 
-// repeated .greptime.v1.meta.TableId table_ids = 5;
+// repeated .greptime.v1.TableId table_ids = 5;
 inline int DdlTaskResponse::_internal_table_ids_size() const {
   return _impl_.table_ids_.size();
 }
 inline int DdlTaskResponse::table_ids_size() const {
   return _internal_table_ids_size();
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::mutable_table_ids(int index) {
+inline ::greptime::v1::TableId* DdlTaskResponse::mutable_table_ids(int index) {
   // @@protoc_insertion_point(field_mutable:greptime.v1.meta.DdlTaskResponse.table_ids)
   return _impl_.table_ids_.Mutable(index);
 }
-inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TableId >*
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::TableId >*
 DdlTaskResponse::mutable_table_ids() {
   // @@protoc_insertion_point(field_mutable_list:greptime.v1.meta.DdlTaskResponse.table_ids)
   return &_impl_.table_ids_;
 }
-inline const ::greptime::v1::meta::TableId& DdlTaskResponse::_internal_table_ids(int index) const {
+inline const ::greptime::v1::TableId& DdlTaskResponse::_internal_table_ids(int index) const {
   return _impl_.table_ids_.Get(index);
 }
-inline const ::greptime::v1::meta::TableId& DdlTaskResponse::table_ids(int index) const {
+inline const ::greptime::v1::TableId& DdlTaskResponse::table_ids(int index) const {
   // @@protoc_insertion_point(field_get:greptime.v1.meta.DdlTaskResponse.table_ids)
   return _internal_table_ids(index);
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::_internal_add_table_ids() {
+inline ::greptime::v1::TableId* DdlTaskResponse::_internal_add_table_ids() {
   return _impl_.table_ids_.Add();
 }
-inline ::greptime::v1::meta::TableId* DdlTaskResponse::add_table_ids() {
+inline ::greptime::v1::TableId* DdlTaskResponse::add_table_ids() {
-  ::greptime::v1::meta::TableId* _add = _internal_add_table_ids();
+  ::greptime::v1::TableId* _add = _internal_add_table_ids();
   // @@protoc_insertion_point(field_add:greptime.v1.meta.DdlTaskResponse.table_ids)
   return _add;
 }
-inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TableId >&
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::TableId >&
 DdlTaskResponse::table_ids() const {
   // @@protoc_insertion_point(field_list:greptime.v1.meta.DdlTaskResponse.table_ids)
   return _impl_.table_ids_;

go/greptime/v1/ddl.pb.go

@@ -77,7 +77,7 @@ func (x AddColumnLocation_LocationType) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use AddColumnLocation_LocationType.Descriptor instead.
 func (AddColumnLocation_LocationType) EnumDescriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{18, 0}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{19, 0}
 }
 
 // "Data Definition Language" requests, that create, modify or delete the
@@ -363,6 +363,8 @@ type DropFlowExpr struct {
 
 	CatalogName  string  `protobuf:"bytes,1,opt,name=catalog_name,json=catalogName,proto3" json:"catalog_name,omitempty"`
 	FlowName     string  `protobuf:"bytes,2,opt,name=flow_name,json=flowName,proto3" json:"flow_name,omitempty"`
+	FlowId       *FlowId `protobuf:"bytes,3,opt,name=flow_id,json=flowId,proto3" json:"flow_id,omitempty"`
+	DropIfExists bool    `protobuf:"varint,5,opt,name=drop_if_exists,json=dropIfExists,proto3" json:"drop_if_exists,omitempty"`
 }
 
 func (x *DropFlowExpr) Reset() {
@@ -411,6 +413,20 @@ func (x *DropFlowExpr) GetFlowName() string {
 	return ""
 }
 
+func (x *DropFlowExpr) GetFlowId() *FlowId {
+	if x != nil {
+		return x.FlowId
+	}
+	return nil
+}
+
+func (x *DropFlowExpr) GetDropIfExists() bool {
+	if x != nil {
+		return x.DropIfExists
+	}
+	return false
+}
+
 type CreateTableExpr struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1355,6 +1371,53 @@ func (x *TableId) GetId() uint32 {
 	return 0
 }
 
+type FlowId struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *FlowId) Reset() {
+	*x = FlowId{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_ddl_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FlowId) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FlowId) ProtoMessage() {}
+
+func (x *FlowId) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_ddl_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FlowId.ProtoReflect.Descriptor instead.
+func (*FlowId) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *FlowId) GetId() uint32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
 type ColumnDef struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1373,7 +1436,7 @@ type ColumnDef struct {
 func (x *ColumnDef) Reset() {
 	*x = ColumnDef{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[17]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1386,7 +1449,7 @@ func (x *ColumnDef) String() string {
 func (*ColumnDef) ProtoMessage() {}
 
 func (x *ColumnDef) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[17]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1399,7 +1462,7 @@ func (x *ColumnDef) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ColumnDef.ProtoReflect.Descriptor instead.
 func (*ColumnDef) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{17}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *ColumnDef) GetName() string {
@@ -1463,7 +1526,7 @@ type AddColumnLocation struct {
 func (x *AddColumnLocation) Reset() {
 	*x = AddColumnLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_ddl_proto_msgTypes[18]
+		mi := &file_greptime_v1_ddl_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1476,7 +1539,7 @@ func (x *AddColumnLocation) String() string {
 func (*AddColumnLocation) ProtoMessage() {}
 
 func (x *AddColumnLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_ddl_proto_msgTypes[18]
+	mi := &file_greptime_v1_ddl_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1489,7 +1552,7 @@ func (x *AddColumnLocation) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddColumnLocation.ProtoReflect.Descriptor instead.
 func (*AddColumnLocation) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{18}
+	return file_greptime_v1_ddl_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *AddColumnLocation) GetLocationType() AddColumnLocation_LocationType {
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 }
 
 var (
@@ -1783,7 +1853,7 @@ func file_greptime_v1_ddl_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_ddl_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_greptime_v1_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 22)
+var file_greptime_v1_ddl_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
 var file_greptime_v1_ddl_proto_goTypes = []interface{}{
 	(AddColumnLocation_LocationType)(0), // 0: greptime.v1.AddColumnLocation.LocationType
 	(*DdlRequest)(nil),                  // 1: greptime.v1.DdlRequest
@@ -1803,15 +1873,16 @@ var file_greptime_v1_ddl_proto_goTypes = []interface{}{
 	(*ChangeColumnType)(nil),            // 15: greptime.v1.ChangeColumnType
 	(*DropColumn)(nil),                  // 16: greptime.v1.DropColumn
 	(*TableId)(nil),                     // 17: greptime.v1.TableId
-	(*ColumnDef)(nil),                   // 18: greptime.v1.ColumnDef
+	(*FlowId)(nil),                      // 18: greptime.v1.FlowId
-	(*AddColumnLocation)(nil),           // 19: greptime.v1.AddColumnLocation
+	(*ColumnDef)(nil),                   // 19: greptime.v1.ColumnDef
-	nil,                                 // 20: greptime.v1.CreateFlowExpr.FlowOptionsEntry
+	(*AddColumnLocation)(nil),           // 20: greptime.v1.AddColumnLocation
-	nil,                                 // 21: greptime.v1.CreateTableExpr.TableOptionsEntry
+	nil,                                 // 21: greptime.v1.CreateFlowExpr.FlowOptionsEntry
-	nil,                                 // 22: greptime.v1.CreateDatabaseExpr.OptionsEntry
+	nil,                                 // 22: greptime.v1.CreateTableExpr.TableOptionsEntry
-	(*TableName)(nil),                   // 23: greptime.v1.TableName
+	nil,                                 // 23: greptime.v1.CreateDatabaseExpr.OptionsEntry
-	(ColumnDataType)(0),                 // 24: greptime.v1.ColumnDataType
+	(*TableName)(nil),                   // 24: greptime.v1.TableName
-	(*ColumnDataTypeExtension)(nil),     // 25: greptime.v1.ColumnDataTypeExtension
+	(ColumnDataType)(0),                 // 25: greptime.v1.ColumnDataType
-	(SemanticType)(0),                   // 26: greptime.v1.SemanticType
+	(*ColumnDataTypeExtension)(nil),     // 26: greptime.v1.ColumnDataTypeExtension
+	(SemanticType)(0),                   // 27: greptime.v1.SemanticType
 }
 var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	7,  // 0: greptime.v1.DdlRequest.create_database:type_name -> greptime.v1.CreateDatabaseExpr
@@ -1821,35 +1892,36 @@ var file_greptime_v1_ddl_proto_depIdxs = []int32{
 	8,  // 4: greptime.v1.DdlRequest.truncate_table:type_name -> greptime.v1.TruncateTableExpr
 	2,  // 5: greptime.v1.DdlRequest.create_flow:type_name -> greptime.v1.CreateFlowExpr
 	3,  // 6: greptime.v1.DdlRequest.drop_flow:type_name -> greptime.v1.DropFlowExpr
-	23, // 7: greptime.v1.CreateFlowExpr.source_table_names:type_name -> greptime.v1.TableName
+	24, // 7: greptime.v1.CreateFlowExpr.source_table_names:type_name -> greptime.v1.TableName
-	23, // 8: greptime.v1.CreateFlowExpr.sink_table_name:type_name -> greptime.v1.TableName
+	24, // 8: greptime.v1.CreateFlowExpr.sink_table_name:type_name -> greptime.v1.TableName
-	20, // 9: greptime.v1.CreateFlowExpr.flow_options:type_name -> greptime.v1.CreateFlowExpr.FlowOptionsEntry
+	21, // 9: greptime.v1.CreateFlowExpr.flow_options:type_name -> greptime.v1.CreateFlowExpr.FlowOptionsEntry
-	18, // 10: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
+	18, // 10: greptime.v1.DropFlowExpr.flow_id:type_name -> greptime.v1.FlowId
-	21, // 11: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
+	19, // 11: greptime.v1.CreateTableExpr.column_defs:type_name -> greptime.v1.ColumnDef
-	17, // 12: greptime.v1.CreateTableExpr.table_id:type_name -> greptime.v1.TableId
+	22, // 12: greptime.v1.CreateTableExpr.table_options:type_name -> greptime.v1.CreateTableExpr.TableOptionsEntry
-	10, // 13: greptime.v1.AlterExpr.add_columns:type_name -> greptime.v1.AddColumns
+	17, // 13: greptime.v1.CreateTableExpr.table_id:type_name -> greptime.v1.TableId
-	11, // 14: greptime.v1.AlterExpr.drop_columns:type_name -> greptime.v1.DropColumns
+	10, // 14: greptime.v1.AlterExpr.add_columns:type_name -> greptime.v1.AddColumns
-	13, // 15: greptime.v1.AlterExpr.rename_table:type_name -> greptime.v1.RenameTable
+	11, // 15: greptime.v1.AlterExpr.drop_columns:type_name -> greptime.v1.DropColumns
-	12, // 16: greptime.v1.AlterExpr.change_column_types:type_name -> greptime.v1.ChangeColumnTypes
+	13, // 16: greptime.v1.AlterExpr.rename_table:type_name -> greptime.v1.RenameTable
-	17, // 17: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
+	12, // 17: greptime.v1.AlterExpr.change_column_types:type_name -> greptime.v1.ChangeColumnTypes
-	22, // 18: greptime.v1.CreateDatabaseExpr.options:type_name -> greptime.v1.CreateDatabaseExpr.OptionsEntry
+	17, // 18: greptime.v1.DropTableExpr.table_id:type_name -> greptime.v1.TableId
-	17, // 19: greptime.v1.TruncateTableExpr.table_id:type_name -> greptime.v1.TableId
+	23, // 19: greptime.v1.CreateDatabaseExpr.options:type_name -> greptime.v1.CreateDatabaseExpr.OptionsEntry
-	14, // 20: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
+	17, // 20: greptime.v1.TruncateTableExpr.table_id:type_name -> greptime.v1.TableId
-	16, // 21: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
+	14, // 21: greptime.v1.AddColumns.add_columns:type_name -> greptime.v1.AddColumn
-	15, // 22: greptime.v1.ChangeColumnTypes.change_column_types:type_name -> greptime.v1.ChangeColumnType
+	16, // 22: greptime.v1.DropColumns.drop_columns:type_name -> greptime.v1.DropColumn
-	18, // 23: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
+	15, // 23: greptime.v1.ChangeColumnTypes.change_column_types:type_name -> greptime.v1.ChangeColumnType
-	19, // 24: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumnLocation
+	19, // 24: greptime.v1.AddColumn.column_def:type_name -> greptime.v1.ColumnDef
-	24, // 25: greptime.v1.ChangeColumnType.target_type:type_name -> greptime.v1.ColumnDataType
+	20, // 25: greptime.v1.AddColumn.location:type_name -> greptime.v1.AddColumnLocation
-	25, // 26: greptime.v1.ChangeColumnType.target_type_extension:type_name -> greptime.v1.ColumnDataTypeExtension
+	25, // 26: greptime.v1.ChangeColumnType.target_type:type_name -> greptime.v1.ColumnDataType
-	24, // 27: greptime.v1.ColumnDef.data_type:type_name -> greptime.v1.ColumnDataType
+	26, // 27: greptime.v1.ChangeColumnType.target_type_extension:type_name -> greptime.v1.ColumnDataTypeExtension
-	26, // 28: greptime.v1.ColumnDef.semantic_type:type_name -> greptime.v1.SemanticType
+	25, // 28: greptime.v1.ColumnDef.data_type:type_name -> greptime.v1.ColumnDataType
-	25, // 29: greptime.v1.ColumnDef.datatype_extension:type_name -> greptime.v1.ColumnDataTypeExtension
+	27, // 29: greptime.v1.ColumnDef.semantic_type:type_name -> greptime.v1.SemanticType
-	0,  // 30: greptime.v1.AddColumnLocation.location_type:type_name -> greptime.v1.AddColumnLocation.LocationType
+	26, // 30: greptime.v1.ColumnDef.datatype_extension:type_name -> greptime.v1.ColumnDataTypeExtension
-	31, // [31:31] is the sub-list for method output_type
+	0,  // 31: greptime.v1.AddColumnLocation.location_type:type_name -> greptime.v1.AddColumnLocation.LocationType
-	31, // [31:31] is the sub-list for method input_type
+	32, // [32:32] is the sub-list for method output_type
-	31, // [31:31] is the sub-list for extension type_name
+	32, // [32:32] is the sub-list for method input_type
-	31, // [31:31] is the sub-list for extension extendee
+	32, // [32:32] is the sub-list for extension type_name
-	0,  // [0:31] is the sub-list for field type_name
+	32, // [32:32] is the sub-list for extension extendee
+	0,  // [0:32] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_ddl_proto_init() }
@@ -2064,7 +2136,7 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ColumnDef); i {
+			switch v := v.(*FlowId); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2076,6 +2148,18 @@ func file_greptime_v1_ddl_proto_init() {
 			}
 		}
 		file_greptime_v1_ddl_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ColumnDef); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_ddl_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AddColumnLocation); i {
 			case 0:
 				return &v.state
@@ -2109,7 +2193,7 @@ func file_greptime_v1_ddl_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_ddl_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   22,
+			NumMessages:   23,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

go/greptime/v1/meta/common.pb.go

@@ -337,53 +337,6 @@ func (x *Peer) GetAddr() string {
 	return ""
 }
 
-type TableId struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
-}
-
-func (x *TableId) Reset() {
-	*x = TableId{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_common_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *TableId) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*TableId) ProtoMessage() {}
-
-func (x *TableId) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_common_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use TableId.ProtoReflect.Descriptor instead.
-func (*TableId) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{4}
-}
-
-func (x *TableId) GetId() uint32 {
-	if x != nil {
-		return x.Id
-	}
-	return 0
-}
-
 type TimeInterval struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -398,7 +351,7 @@ type TimeInterval struct {
 func (x *TimeInterval) Reset() {
 	*x = TimeInterval{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_common_proto_msgTypes[5]
+		mi := &file_greptime_v1_meta_common_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -411,7 +364,7 @@ func (x *TimeInterval) String() string {
 func (*TimeInterval) ProtoMessage() {}
 
 func (x *TimeInterval) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_common_proto_msgTypes[5]
+	mi := &file_greptime_v1_meta_common_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -424,7 +377,7 @@ func (x *TimeInterval) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TimeInterval.ProtoReflect.Descriptor instead.
 func (*TimeInterval) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{5}
+	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *TimeInterval) GetStartTimestampMillis() int64 {
@@ -455,7 +408,7 @@ type KeyValue struct {
 func (x *KeyValue) Reset() {
 	*x = KeyValue{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_common_proto_msgTypes[6]
+		mi := &file_greptime_v1_meta_common_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -468,7 +421,7 @@ func (x *KeyValue) String() string {
 func (*KeyValue) ProtoMessage() {}
 
 func (x *KeyValue) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_common_proto_msgTypes[6]
+	mi := &file_greptime_v1_meta_common_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -481,7 +434,7 @@ func (x *KeyValue) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KeyValue.ProtoReflect.Descriptor instead.
 func (*KeyValue) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{6}
+	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *KeyValue) GetKey() []byte {
@@ -510,7 +463,7 @@ type ProcedureId struct {
 func (x *ProcedureId) Reset() {
 	*x = ProcedureId{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_common_proto_msgTypes[7]
+		mi := &file_greptime_v1_meta_common_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -523,7 +476,7 @@ func (x *ProcedureId) String() string {
 func (*ProcedureId) ProtoMessage() {}
 
 func (x *ProcedureId) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_common_proto_msgTypes[7]
+	mi := &file_greptime_v1_meta_common_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -536,7 +489,7 @@ func (x *ProcedureId) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ProcedureId.ProtoReflect.Descriptor instead.
 func (*ProcedureId) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{7}
+	return file_greptime_v1_meta_common_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *ProcedureId) GetKey() []byte {
@@ -587,28 +540,26 @@ var file_greptime_v1_meta_common_proto_rawDesc = []byte{
 	0x09, 0x52, 0x06, 0x65, 0x72, 0x72, 0x4d, 0x73, 0x67, 0x22, 0x2a, 0x0a, 0x04, 0x50, 0x65, 0x65,
 	0x72, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x02, 0x69,
 	0x64, 0x12, 0x12, 0x0a, 0x04, 0x61, 0x64, 0x64, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52,
-	0x04, 0x61, 0x64, 0x64, 0x72, 0x22, 0x19, 0x0a, 0x07, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x49, 0x64,
+	0x04, 0x61, 0x64, 0x64, 0x72, 0x22, 0x76, 0x0a, 0x0c, 0x54, 0x69, 0x6d, 0x65, 0x49, 0x6e, 0x74,
-	0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x02, 0x69, 0x64,
+	0x65, 0x72, 0x76, 0x61, 0x6c, 0x12, 0x34, 0x0a, 0x16, 0x73, 0x74, 0x61, 0x72, 0x74, 0x5f, 0x74,
-	0x22, 0x76, 0x0a, 0x0c, 0x54, 0x69, 0x6d, 0x65, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c,
+	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x18,
-	0x12, 0x34, 0x0a, 0x16, 0x73, 0x74, 0x61, 0x72, 0x74, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74,
+	0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x14, 0x73, 0x74, 0x61, 0x72, 0x74, 0x54, 0x69, 0x6d, 0x65,
-	0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x03,
+	0x73, 0x74, 0x61, 0x6d, 0x70, 0x4d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x12, 0x30, 0x0a, 0x14, 0x65,
-	0x52, 0x14, 0x73, 0x74, 0x61, 0x72, 0x74, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70,
+	0x6e, 0x64, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x69, 0x6c,
-	0x4d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x12, 0x30, 0x0a, 0x14, 0x65, 0x6e, 0x64, 0x5f, 0x74, 0x69,
+	0x6c, 0x69, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x12, 0x65, 0x6e, 0x64, 0x54, 0x69,
-	0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x18, 0x02,
+	0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x4d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x22, 0x32, 0x0a,
-	0x20, 0x01, 0x28, 0x03, 0x52, 0x12, 0x65, 0x6e, 0x64, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61,
+	0x08, 0x4b, 0x65, 0x79, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79,
-	0x6d, 0x70, 0x4d, 0x69, 0x6c, 0x6c, 0x69, 0x73, 0x22, 0x32, 0x0a, 0x08, 0x4b, 0x65, 0x79, 0x56,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76,
-	0x61, 0x6c, 0x75, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75,
-	0x0c, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18,
+	0x65, 0x22, 0x1f, 0x0a, 0x0b, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x64, 0x75, 0x72, 0x65, 0x49, 0x64,
-	0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x1f, 0x0a, 0x0b,
+	0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x6b,
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+	0x65, 0x79, 0x2a, 0x22, 0x0a, 0x04, 0x52, 0x6f, 0x6c, 0x65, 0x12, 0x0c, 0x0a, 0x08, 0x44, 0x41,
-	0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x2a, 0x22, 0x0a,
+	0x54, 0x41, 0x4e, 0x4f, 0x44, 0x45, 0x10, 0x00, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x52, 0x4f, 0x4e,
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+	0x54, 0x45, 0x4e, 0x44, 0x10, 0x01, 0x42, 0x3c, 0x5a, 0x3a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
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+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x54, 0x65, 0x61,
-	0x01, 0x42, 0x3c, 0x5a, 0x3a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x6d, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x47, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65,
+	0x2f, 0x67, 0x6f, 0x2f, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f,
-	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67,
+	0x6d, 0x65, 0x74, 0x61, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -624,22 +575,21 @@ func file_greptime_v1_meta_common_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_meta_common_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_greptime_v1_meta_common_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_greptime_v1_meta_common_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_greptime_v1_meta_common_proto_goTypes = []interface{}{
 	(Role)(0),              // 0: greptime.v1.meta.Role
 	(*RequestHeader)(nil),  // 1: greptime.v1.meta.RequestHeader
 	(*ResponseHeader)(nil), // 2: greptime.v1.meta.ResponseHeader
 	(*Error)(nil),          // 3: greptime.v1.meta.Error
 	(*Peer)(nil),           // 4: greptime.v1.meta.Peer
-	(*TableId)(nil),        // 5: greptime.v1.meta.TableId
+	(*TimeInterval)(nil),   // 5: greptime.v1.meta.TimeInterval
-	(*TimeInterval)(nil),   // 6: greptime.v1.meta.TimeInterval
+	(*KeyValue)(nil),       // 6: greptime.v1.meta.KeyValue
-	(*KeyValue)(nil),       // 7: greptime.v1.meta.KeyValue
+	(*ProcedureId)(nil),    // 7: greptime.v1.meta.ProcedureId
-	(*ProcedureId)(nil),    // 8: greptime.v1.meta.ProcedureId
+	nil,                    // 8: greptime.v1.meta.RequestHeader.TracingContextEntry
-	nil,                    // 9: greptime.v1.meta.RequestHeader.TracingContextEntry
 }
 var file_greptime_v1_meta_common_proto_depIdxs = []int32{
 	0, // 0: greptime.v1.meta.RequestHeader.role:type_name -> greptime.v1.meta.Role
-	9, // 1: greptime.v1.meta.RequestHeader.tracing_context:type_name -> greptime.v1.meta.RequestHeader.TracingContextEntry
+	8, // 1: greptime.v1.meta.RequestHeader.tracing_context:type_name -> greptime.v1.meta.RequestHeader.TracingContextEntry
 	3, // 2: greptime.v1.meta.ResponseHeader.error:type_name -> greptime.v1.meta.Error
 	3, // [3:3] is the sub-list for method output_type
 	3, // [3:3] is the sub-list for method input_type
@@ -703,18 +653,6 @@ func file_greptime_v1_meta_common_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_common_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*TableId); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_greptime_v1_meta_common_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TimeInterval); i {
 			case 0:
 				return &v.state
@@ -726,7 +664,7 @@ func file_greptime_v1_meta_common_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_common_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_common_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*KeyValue); i {
 			case 0:
 				return &v.state
@@ -738,7 +676,7 @@ func file_greptime_v1_meta_common_proto_init() {
 				return nil
 			}
 		}
-		file_greptime_v1_meta_common_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_greptime_v1_meta_common_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ProcedureId); i {
 			case 0:
 				return &v.state
@@ -757,7 +695,7 @@ func file_greptime_v1_meta_common_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_meta_common_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   9,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

go/greptime/v1/meta/ddl.pb.go

@@ -846,9 +846,9 @@ type DdlTaskResponse struct {
 	Pid    *ProcedureId    `protobuf:"bytes,2,opt,name=pid,proto3" json:"pid,omitempty"`
 	// Returns if table created.
 	// TODO(jeremy): remove it?
-	TableId *TableId `protobuf:"bytes,4,opt,name=table_id,json=tableId,proto3" json:"table_id,omitempty"`
+	TableId *v1.TableId `protobuf:"bytes,4,opt,name=table_id,json=tableId,proto3" json:"table_id,omitempty"`
 	// Returns if the tables created.
-	TableIds []*TableId `protobuf:"bytes,5,rep,name=table_ids,json=tableIds,proto3" json:"table_ids,omitempty"`
+	TableIds []*v1.TableId `protobuf:"bytes,5,rep,name=table_ids,json=tableIds,proto3" json:"table_ids,omitempty"`
 }
 
 func (x *DdlTaskResponse) Reset() {
@@ -897,14 +897,14 @@ func (x *DdlTaskResponse) GetPid() *ProcedureId {
 	return nil
 }
 
-func (x *DdlTaskResponse) GetTableId() *TableId {
+func (x *DdlTaskResponse) GetTableId() *v1.TableId {
 	if x != nil {
 		return x.TableId
 	}
 	return nil
 }
 
-func (x *DdlTaskResponse) GetTableIds() []*TableId {
+func (x *DdlTaskResponse) GetTableIds() []*v1.TableId {
 	if x != nil {
 		return x.TableIds
 	}
@@ -1049,7 +1049,7 @@ var file_greptime_v1_meta_ddl_proto_rawDesc = []byte{
 	0x0c, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65,
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@@ -1057,21 +1057,20 @@ var file_greptime_v1_meta_ddl_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1116,7 +1115,7 @@ var file_greptime_v1_meta_ddl_proto_goTypes = []interface{}{
 	(*v1.QueryContext)(nil),       // 24: greptime.v1.QueryContext
 	(*ResponseHeader)(nil),        // 25: greptime.v1.meta.ResponseHeader
 	(*ProcedureId)(nil),           // 26: greptime.v1.meta.ProcedureId
-	(*TableId)(nil),               // 27: greptime.v1.meta.TableId
+	(*v1.TableId)(nil),            // 27: greptime.v1.TableId
 }
 var file_greptime_v1_meta_ddl_proto_depIdxs = []int32{
 	14, // 0: greptime.v1.meta.CreateDatabaseTask.create_database:type_name -> greptime.v1.CreateDatabaseExpr
@@ -1146,8 +1145,8 @@ var file_greptime_v1_meta_ddl_proto_depIdxs = []int32{
 	11, // 24: greptime.v1.meta.DdlTaskRequest.drop_flow_task:type_name -> greptime.v1.meta.DropFlowTask
 	25, // 25: greptime.v1.meta.DdlTaskResponse.header:type_name -> greptime.v1.meta.ResponseHeader
 	26, // 26: greptime.v1.meta.DdlTaskResponse.pid:type_name -> greptime.v1.meta.ProcedureId
-	27, // 27: greptime.v1.meta.DdlTaskResponse.table_id:type_name -> greptime.v1.meta.TableId
+	27, // 27: greptime.v1.meta.DdlTaskResponse.table_id:type_name -> greptime.v1.TableId
-	27, // 28: greptime.v1.meta.DdlTaskResponse.table_ids:type_name -> greptime.v1.meta.TableId
+	27, // 28: greptime.v1.meta.DdlTaskResponse.table_ids:type_name -> greptime.v1.TableId
 	29, // [29:29] is the sub-list for method output_type
 	29, // [29:29] is the sub-list for method input_type
 	29, // [29:29] is the sub-list for extension type_name

java/src/main/java/greptime/v1/meta/Common.java

@@ -3373,496 +3373,6 @@ java.lang.String defaultValue);
 
   }
 
-  public interface TableIdOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:greptime.v1.meta.TableId)
-      com.google.protobuf.MessageOrBuilder {
-
-    /**
-     * <code>uint32 id = 1;</code>
-     * @return The id.
-     */
-    int getId();
-  }
-  /**
-   * Protobuf type {@code greptime.v1.meta.TableId}
-   */
-  public static final class TableId extends
-      com.google.protobuf.GeneratedMessageV3 implements
-      // @@protoc_insertion_point(message_implements:greptime.v1.meta.TableId)
-      TableIdOrBuilder {
-  private static final long serialVersionUID = 0L;
-    // Use TableId.newBuilder() to construct.
-    private TableId(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
-      super(builder);
-    }
-    private TableId() {
-    }
-
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(
-        UnusedPrivateParameter unused) {
-      return new TableId();
-    }
-
-    @java.lang.Override
-    public final com.google.protobuf.UnknownFieldSet
-    getUnknownFields() {
-      return this.unknownFields;
-    }
-    private TableId(
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-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      this();
-      if (extensionRegistry == null) {
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-          com.google.protobuf.UnknownFieldSet.newBuilder();
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-        while (!done) {
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-        makeExtensionsImmutable();
-      }
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-    public static final com.google.protobuf.Descriptors.Descriptor
-        getDescriptor() {
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-      if (obj == this) {
-       return true;
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-      if (!(obj instanceof greptime.v1.meta.Common.TableId)) {
-        return super.equals(obj);
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-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          java.lang.Object value) {
-        return super.setField(field, value);
-      }
-      @java.lang.Override
-      public Builder clearField(
-          com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-      @java.lang.Override
-      public Builder clearOneof(
-          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index, java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-      @java.lang.Override
-      public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof greptime.v1.meta.Common.TableId) {
-          return mergeFrom((greptime.v1.meta.Common.TableId)other);
-        } else {
-          super.mergeFrom(other);
-          return this;
-        }
-      }
-
-      public Builder mergeFrom(greptime.v1.meta.Common.TableId other) {
-        if (other == greptime.v1.meta.Common.TableId.getDefaultInstance()) return this;
-        if (other.getId() != 0) {
-          setId(other.getId());
-        }
-        this.mergeUnknownFields(other.unknownFields);
-        onChanged();
-        return this;
-      }
-
-      @java.lang.Override
-      public final boolean isInitialized() {
-        return true;
-      }
-
-      @java.lang.Override
-      public Builder mergeFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws java.io.IOException {
-        greptime.v1.meta.Common.TableId parsedMessage = null;
-        try {
-          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (greptime.v1.meta.Common.TableId) e.getUnfinishedMessage();
-          throw e.unwrapIOException();
-        } finally {
-          if (parsedMessage != null) {
-            mergeFrom(parsedMessage);
-          }
-        }
-        return this;
-      }
-
-      private int id_ ;
-      /**
-       * <code>uint32 id = 1;</code>
-       * @return The id.
-       */
-      @java.lang.Override
-      public int getId() {
-        return id_;
-      }
-      /**
-       * <code>uint32 id = 1;</code>
-       * @param value The id to set.
-       * @return This builder for chaining.
-       */
-      public Builder setId(int value) {
-        
-        id_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>uint32 id = 1;</code>
-       * @return This builder for chaining.
-       */
-      public Builder clearId() {
-        
-        id_ = 0;
-        onChanged();
-        return this;
-      }
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
-
-      // @@protoc_insertion_point(builder_scope:greptime.v1.meta.TableId)
-    }
-
-    // @@protoc_insertion_point(class_scope:greptime.v1.meta.TableId)
-    private static final greptime.v1.meta.Common.TableId DEFAULT_INSTANCE;
-    static {
-      DEFAULT_INSTANCE = new greptime.v1.meta.Common.TableId();
-    }
-
-    public static greptime.v1.meta.Common.TableId getDefaultInstance() {
-      return DEFAULT_INSTANCE;
-    }
-
-    private static final com.google.protobuf.Parser<TableId>
-        PARSER = new com.google.protobuf.AbstractParser<TableId>() {
-      @java.lang.Override
-      public TableId parsePartialFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws com.google.protobuf.InvalidProtocolBufferException {
-        return new TableId(input, extensionRegistry);
-      }
-    };
-
-    public static com.google.protobuf.Parser<TableId> parser() {
-      return PARSER;
-    }
-
-    @java.lang.Override
-    public com.google.protobuf.Parser<TableId> getParserForType() {
-      return PARSER;
-    }
-
-    @java.lang.Override
-    public greptime.v1.meta.Common.TableId getDefaultInstanceForType() {
-      return DEFAULT_INSTANCE;
-    }
-
-  }
-
   public interface TimeIntervalOrBuilder extends
       // @@protoc_insertion_point(interface_extends:greptime.v1.meta.TimeInterval)
       com.google.protobuf.MessageOrBuilder {
@@ -5600,11 +5110,6 @@ java.lang.String defaultValue);
   private static final 
     com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_greptime_v1_meta_Peer_fieldAccessorTable;
-  private static final com.google.protobuf.Descriptors.Descriptor
-    internal_static_greptime_v1_meta_TableId_descriptor;
-  private static final 
-    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_greptime_v1_meta_TableId_fieldAccessorTable;
   private static final com.google.protobuf.Descriptors.Descriptor
     internal_static_greptime_v1_meta_TimeInterval_descriptor;
   private static final 
@@ -5641,13 +5146,13 @@ java.lang.String defaultValue);
       "d\030\002 \001(\004\022&\n\005error\030\003 \001(\0132\027.greptime.v1.met" +
       "a.Error\"&\n\005Error\022\014\n\004code\030\001 \001(\005\022\017\n\007err_ms" +
       "g\030\002 \001(\t\" \n\004Peer\022\n\n\002id\030\001 \001(\004\022\014\n\004addr\030\002 \001(" +
-      "\t\"\025\n\007TableId\022\n\n\002id\030\001 \001(\r\"L\n\014TimeInterval" +
+      "\t\"L\n\014TimeInterval\022\036\n\026start_timestamp_mil" +
-      "\022\036\n\026start_timestamp_millis\030\001 \001(\003\022\034\n\024end_" +
+      "lis\030\001 \001(\003\022\034\n\024end_timestamp_millis\030\002 \001(\003\"" +
-      "timestamp_millis\030\002 \001(\003\"&\n\010KeyValue\022\013\n\003ke" +
+      "&\n\010KeyValue\022\013\n\003key\030\001 \001(\014\022\r\n\005value\030\002 \001(\014\"" +
-      "y\030\001 \001(\014\022\r\n\005value\030\002 \001(\014\"\032\n\013ProcedureId\022\013\n" +
+      "\032\n\013ProcedureId\022\013\n\003key\030\001 \001(\014*\"\n\004Role\022\014\n\010D" +
-      "\003key\030\001 \001(\014*\"\n\004Role\022\014\n\010DATANODE\020\000\022\014\n\010FRON" +
+      "ATANODE\020\000\022\014\n\010FRONTEND\020\001B<Z:github.com/Gr" +
-      "TEND\020\001B<Z:github.com/GreptimeTeam/grepti" +
+      "eptimeTeam/greptime-proto/go/greptime/v1" +
-      "me-proto/go/greptime/v1/metab\006proto3"
+      "/metab\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -5683,26 +5188,20 @@ java.lang.String defaultValue);
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_Peer_descriptor,
         new java.lang.String[] { "Id", "Addr", });
-    internal_static_greptime_v1_meta_TableId_descriptor =
-      getDescriptor().getMessageTypes().get(4);
-    internal_static_greptime_v1_meta_TableId_fieldAccessorTable = new
-      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-        internal_static_greptime_v1_meta_TableId_descriptor,
-        new java.lang.String[] { "Id", });
     internal_static_greptime_v1_meta_TimeInterval_descriptor =
-      getDescriptor().getMessageTypes().get(5);
+      getDescriptor().getMessageTypes().get(4);
     internal_static_greptime_v1_meta_TimeInterval_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_TimeInterval_descriptor,
         new java.lang.String[] { "StartTimestampMillis", "EndTimestampMillis", });
     internal_static_greptime_v1_meta_KeyValue_descriptor =
-      getDescriptor().getMessageTypes().get(6);
+      getDescriptor().getMessageTypes().get(5);
     internal_static_greptime_v1_meta_KeyValue_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_KeyValue_descriptor,
         new java.lang.String[] { "Key", "Value", });
     internal_static_greptime_v1_meta_ProcedureId_descriptor =
-      getDescriptor().getMessageTypes().get(7);
+      getDescriptor().getMessageTypes().get(6);
     internal_static_greptime_v1_meta_ProcedureId_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_ProcedureId_descriptor,

java/src/main/java/greptime/v1/meta/Ddl.java

@@ -11407,7 +11407,7 @@ public final class Ddl {
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      * @return Whether the tableId field is set.
      */
     boolean hasTableId();
@@ -11417,43 +11417,43 @@ public final class Ddl {
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      * @return The tableId.
      */
-    greptime.v1.meta.Common.TableId getTableId();
+    io.greptime.v1.Ddl.TableId getTableId();
     /**
      * <pre>
      * Returns if table created.
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      */
-    greptime.v1.meta.Common.TableIdOrBuilder getTableIdOrBuilder();
+    io.greptime.v1.Ddl.TableIdOrBuilder getTableIdOrBuilder();
 
     /**
      * <pre>
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
-    java.util.List<greptime.v1.meta.Common.TableId> 
+    java.util.List<io.greptime.v1.Ddl.TableId> 
         getTableIdsList();
     /**
      * <pre>
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
-    greptime.v1.meta.Common.TableId getTableIds(int index);
+    io.greptime.v1.Ddl.TableId getTableIds(int index);
     /**
      * <pre>
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     int getTableIdsCount();
     /**
@@ -11461,18 +11461,18 @@ public final class Ddl {
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
-    java.util.List<? extends greptime.v1.meta.Common.TableIdOrBuilder> 
+    java.util.List<? extends io.greptime.v1.Ddl.TableIdOrBuilder> 
         getTableIdsOrBuilderList();
     /**
      * <pre>
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
-    greptime.v1.meta.Common.TableIdOrBuilder getTableIdsOrBuilder(
+    io.greptime.v1.Ddl.TableIdOrBuilder getTableIdsOrBuilder(
         int index);
   }
   /**
@@ -11549,11 +11549,11 @@ public final class Ddl {
               break;
             }
             case 34: {
-              greptime.v1.meta.Common.TableId.Builder subBuilder = null;
+              io.greptime.v1.Ddl.TableId.Builder subBuilder = null;
               if (tableId_ != null) {
                 subBuilder = tableId_.toBuilder();
               }
-              tableId_ = input.readMessage(greptime.v1.meta.Common.TableId.parser(), extensionRegistry);
+              tableId_ = input.readMessage(io.greptime.v1.Ddl.TableId.parser(), extensionRegistry);
               if (subBuilder != null) {
                 subBuilder.mergeFrom(tableId_);
                 tableId_ = subBuilder.buildPartial();
@@ -11563,11 +11563,11 @@ public final class Ddl {
             }
             case 42: {
               if (!((mutable_bitField0_ & 0x00000001) != 0)) {
-                tableIds_ = new java.util.ArrayList<greptime.v1.meta.Common.TableId>();
+                tableIds_ = new java.util.ArrayList<io.greptime.v1.Ddl.TableId>();
                 mutable_bitField0_ |= 0x00000001;
               }
               tableIds_.add(
-                  input.readMessage(greptime.v1.meta.Common.TableId.parser(), extensionRegistry));
+                  input.readMessage(io.greptime.v1.Ddl.TableId.parser(), extensionRegistry));
               break;
             }
             default: {
@@ -11660,14 +11660,14 @@ public final class Ddl {
     }
 
     public static final int TABLE_ID_FIELD_NUMBER = 4;
-    private greptime.v1.meta.Common.TableId tableId_;
+    private io.greptime.v1.Ddl.TableId tableId_;
     /**
      * <pre>
      * Returns if table created.
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      * @return Whether the tableId field is set.
      */
     @java.lang.Override
@@ -11680,12 +11680,12 @@ public final class Ddl {
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      * @return The tableId.
      */
     @java.lang.Override
-    public greptime.v1.meta.Common.TableId getTableId() {
+    public io.greptime.v1.Ddl.TableId getTableId() {
-      return tableId_ == null ? greptime.v1.meta.Common.TableId.getDefaultInstance() : tableId_;
+      return tableId_ == null ? io.greptime.v1.Ddl.TableId.getDefaultInstance() : tableId_;
     }
     /**
      * <pre>
@@ -11693,24 +11693,24 @@ public final class Ddl {
      * TODO(jeremy): remove it?
      * </pre>
      *
-     * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+     * <code>.greptime.v1.TableId table_id = 4;</code>
      */
     @java.lang.Override
-    public greptime.v1.meta.Common.TableIdOrBuilder getTableIdOrBuilder() {
+    public io.greptime.v1.Ddl.TableIdOrBuilder getTableIdOrBuilder() {
       return getTableId();
     }
 
     public static final int TABLE_IDS_FIELD_NUMBER = 5;
-    private java.util.List<greptime.v1.meta.Common.TableId> tableIds_;
+    private java.util.List<io.greptime.v1.Ddl.TableId> tableIds_;
     /**
      * <pre>
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     @java.lang.Override
-    public java.util.List<greptime.v1.meta.Common.TableId> getTableIdsList() {
+    public java.util.List<io.greptime.v1.Ddl.TableId> getTableIdsList() {
       return tableIds_;
     }
     /**
@@ -11718,10 +11718,10 @@ public final class Ddl {
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     @java.lang.Override
-    public java.util.List<? extends greptime.v1.meta.Common.TableIdOrBuilder> 
+    public java.util.List<? extends io.greptime.v1.Ddl.TableIdOrBuilder> 
         getTableIdsOrBuilderList() {
       return tableIds_;
     }
@@ -11730,7 +11730,7 @@ public final class Ddl {
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     @java.lang.Override
     public int getTableIdsCount() {
@@ -11741,10 +11741,10 @@ public final class Ddl {
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     @java.lang.Override
-    public greptime.v1.meta.Common.TableId getTableIds(int index) {
+    public io.greptime.v1.Ddl.TableId getTableIds(int index) {
       return tableIds_.get(index);
     }
     /**
@@ -11752,10 +11752,10 @@ public final class Ddl {
      * Returns if the tables created.
      * </pre>
      *
-     * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+     * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
      */
     @java.lang.Override
-    public greptime.v1.meta.Common.TableIdOrBuilder getTableIdsOrBuilder(
+    public io.greptime.v1.Ddl.TableIdOrBuilder getTableIdsOrBuilder(
         int index) {
       return tableIds_.get(index);
     }
@@ -12430,16 +12430,16 @@ public final class Ddl {
         return pidBuilder_;
       }
 
-      private greptime.v1.meta.Common.TableId tableId_;
+      private io.greptime.v1.Ddl.TableId tableId_;
       private com.google.protobuf.SingleFieldBuilderV3<
-          greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder> tableIdBuilder_;
+          io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder> tableIdBuilder_;
       /**
        * <pre>
        * Returns if table created.
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        * @return Whether the tableId field is set.
        */
       public boolean hasTableId() {
@@ -12451,12 +12451,12 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        * @return The tableId.
        */
-      public greptime.v1.meta.Common.TableId getTableId() {
+      public io.greptime.v1.Ddl.TableId getTableId() {
         if (tableIdBuilder_ == null) {
-          return tableId_ == null ? greptime.v1.meta.Common.TableId.getDefaultInstance() : tableId_;
+          return tableId_ == null ? io.greptime.v1.Ddl.TableId.getDefaultInstance() : tableId_;
         } else {
           return tableIdBuilder_.getMessage();
         }
@@ -12467,9 +12467,9 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
-      public Builder setTableId(greptime.v1.meta.Common.TableId value) {
+      public Builder setTableId(io.greptime.v1.Ddl.TableId value) {
         if (tableIdBuilder_ == null) {
           if (value == null) {
             throw new NullPointerException();
@@ -12488,10 +12488,10 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
       public Builder setTableId(
-          greptime.v1.meta.Common.TableId.Builder builderForValue) {
+          io.greptime.v1.Ddl.TableId.Builder builderForValue) {
         if (tableIdBuilder_ == null) {
           tableId_ = builderForValue.build();
           onChanged();
@@ -12507,13 +12507,13 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
-      public Builder mergeTableId(greptime.v1.meta.Common.TableId value) {
+      public Builder mergeTableId(io.greptime.v1.Ddl.TableId value) {
         if (tableIdBuilder_ == null) {
           if (tableId_ != null) {
             tableId_ =
-              greptime.v1.meta.Common.TableId.newBuilder(tableId_).mergeFrom(value).buildPartial();
+              io.greptime.v1.Ddl.TableId.newBuilder(tableId_).mergeFrom(value).buildPartial();
           } else {
             tableId_ = value;
           }
@@ -12530,7 +12530,7 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
       public Builder clearTableId() {
         if (tableIdBuilder_ == null) {
@@ -12549,9 +12549,9 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
-      public greptime.v1.meta.Common.TableId.Builder getTableIdBuilder() {
+      public io.greptime.v1.Ddl.TableId.Builder getTableIdBuilder() {
         
         onChanged();
         return getTableIdFieldBuilder().getBuilder();
@@ -12562,14 +12562,14 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
-      public greptime.v1.meta.Common.TableIdOrBuilder getTableIdOrBuilder() {
+      public io.greptime.v1.Ddl.TableIdOrBuilder getTableIdOrBuilder() {
         if (tableIdBuilder_ != null) {
           return tableIdBuilder_.getMessageOrBuilder();
         } else {
           return tableId_ == null ?
-              greptime.v1.meta.Common.TableId.getDefaultInstance() : tableId_;
+              io.greptime.v1.Ddl.TableId.getDefaultInstance() : tableId_;
         }
       }
       /**
@@ -12578,14 +12578,14 @@ public final class Ddl {
        * TODO(jeremy): remove it?
        * </pre>
        *
-       * <code>.greptime.v1.meta.TableId table_id = 4;</code>
+       * <code>.greptime.v1.TableId table_id = 4;</code>
        */
       private com.google.protobuf.SingleFieldBuilderV3<
-          greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder> 
+          io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder> 
           getTableIdFieldBuilder() {
         if (tableIdBuilder_ == null) {
           tableIdBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
-              greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder>(
+              io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder>(
                   getTableId(),
                   getParentForChildren(),
                   isClean());
@@ -12594,26 +12594,26 @@ public final class Ddl {
         return tableIdBuilder_;
       }
 
-      private java.util.List<greptime.v1.meta.Common.TableId> tableIds_ =
+      private java.util.List<io.greptime.v1.Ddl.TableId> tableIds_ =
         java.util.Collections.emptyList();
       private void ensureTableIdsIsMutable() {
         if (!((bitField0_ & 0x00000001) != 0)) {
-          tableIds_ = new java.util.ArrayList<greptime.v1.meta.Common.TableId>(tableIds_);
+          tableIds_ = new java.util.ArrayList<io.greptime.v1.Ddl.TableId>(tableIds_);
           bitField0_ |= 0x00000001;
          }
       }
 
       private com.google.protobuf.RepeatedFieldBuilderV3<
-          greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder> tableIdsBuilder_;
+          io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder> tableIdsBuilder_;
 
       /**
        * <pre>
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public java.util.List<greptime.v1.meta.Common.TableId> getTableIdsList() {
+      public java.util.List<io.greptime.v1.Ddl.TableId> getTableIdsList() {
         if (tableIdsBuilder_ == null) {
           return java.util.Collections.unmodifiableList(tableIds_);
         } else {
@@ -12625,7 +12625,7 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public int getTableIdsCount() {
         if (tableIdsBuilder_ == null) {
@@ -12639,9 +12639,9 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public greptime.v1.meta.Common.TableId getTableIds(int index) {
+      public io.greptime.v1.Ddl.TableId getTableIds(int index) {
         if (tableIdsBuilder_ == null) {
           return tableIds_.get(index);
         } else {
@@ -12653,10 +12653,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder setTableIds(
-          int index, greptime.v1.meta.Common.TableId value) {
+          int index, io.greptime.v1.Ddl.TableId value) {
         if (tableIdsBuilder_ == null) {
           if (value == null) {
             throw new NullPointerException();
@@ -12674,10 +12674,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder setTableIds(
-          int index, greptime.v1.meta.Common.TableId.Builder builderForValue) {
+          int index, io.greptime.v1.Ddl.TableId.Builder builderForValue) {
         if (tableIdsBuilder_ == null) {
           ensureTableIdsIsMutable();
           tableIds_.set(index, builderForValue.build());
@@ -12692,9 +12692,9 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public Builder addTableIds(greptime.v1.meta.Common.TableId value) {
+      public Builder addTableIds(io.greptime.v1.Ddl.TableId value) {
         if (tableIdsBuilder_ == null) {
           if (value == null) {
             throw new NullPointerException();
@@ -12712,10 +12712,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder addTableIds(
-          int index, greptime.v1.meta.Common.TableId value) {
+          int index, io.greptime.v1.Ddl.TableId value) {
         if (tableIdsBuilder_ == null) {
           if (value == null) {
             throw new NullPointerException();
@@ -12733,10 +12733,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder addTableIds(
-          greptime.v1.meta.Common.TableId.Builder builderForValue) {
+          io.greptime.v1.Ddl.TableId.Builder builderForValue) {
         if (tableIdsBuilder_ == null) {
           ensureTableIdsIsMutable();
           tableIds_.add(builderForValue.build());
@@ -12751,10 +12751,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder addTableIds(
-          int index, greptime.v1.meta.Common.TableId.Builder builderForValue) {
+          int index, io.greptime.v1.Ddl.TableId.Builder builderForValue) {
         if (tableIdsBuilder_ == null) {
           ensureTableIdsIsMutable();
           tableIds_.add(index, builderForValue.build());
@@ -12769,10 +12769,10 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder addAllTableIds(
-          java.lang.Iterable<? extends greptime.v1.meta.Common.TableId> values) {
+          java.lang.Iterable<? extends io.greptime.v1.Ddl.TableId> values) {
         if (tableIdsBuilder_ == null) {
           ensureTableIdsIsMutable();
           com.google.protobuf.AbstractMessageLite.Builder.addAll(
@@ -12788,7 +12788,7 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder clearTableIds() {
         if (tableIdsBuilder_ == null) {
@@ -12805,7 +12805,7 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
       public Builder removeTableIds(int index) {
         if (tableIdsBuilder_ == null) {
@@ -12822,9 +12822,9 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public greptime.v1.meta.Common.TableId.Builder getTableIdsBuilder(
+      public io.greptime.v1.Ddl.TableId.Builder getTableIdsBuilder(
           int index) {
         return getTableIdsFieldBuilder().getBuilder(index);
       }
@@ -12833,9 +12833,9 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public greptime.v1.meta.Common.TableIdOrBuilder getTableIdsOrBuilder(
+      public io.greptime.v1.Ddl.TableIdOrBuilder getTableIdsOrBuilder(
           int index) {
         if (tableIdsBuilder_ == null) {
           return tableIds_.get(index);  } else {
@@ -12847,9 +12847,9 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public java.util.List<? extends greptime.v1.meta.Common.TableIdOrBuilder> 
+      public java.util.List<? extends io.greptime.v1.Ddl.TableIdOrBuilder> 
            getTableIdsOrBuilderList() {
         if (tableIdsBuilder_ != null) {
           return tableIdsBuilder_.getMessageOrBuilderList();
@@ -12862,41 +12862,41 @@ public final class Ddl {
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public greptime.v1.meta.Common.TableId.Builder addTableIdsBuilder() {
+      public io.greptime.v1.Ddl.TableId.Builder addTableIdsBuilder() {
         return getTableIdsFieldBuilder().addBuilder(
-            greptime.v1.meta.Common.TableId.getDefaultInstance());
+            io.greptime.v1.Ddl.TableId.getDefaultInstance());
       }
       /**
        * <pre>
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public greptime.v1.meta.Common.TableId.Builder addTableIdsBuilder(
+      public io.greptime.v1.Ddl.TableId.Builder addTableIdsBuilder(
           int index) {
         return getTableIdsFieldBuilder().addBuilder(
-            index, greptime.v1.meta.Common.TableId.getDefaultInstance());
+            index, io.greptime.v1.Ddl.TableId.getDefaultInstance());
       }
       /**
        * <pre>
        * Returns if the tables created.
        * </pre>
        *
-       * <code>repeated .greptime.v1.meta.TableId table_ids = 5;</code>
+       * <code>repeated .greptime.v1.TableId table_ids = 5;</code>
        */
-      public java.util.List<greptime.v1.meta.Common.TableId.Builder> 
+      public java.util.List<io.greptime.v1.Ddl.TableId.Builder> 
            getTableIdsBuilderList() {
         return getTableIdsFieldBuilder().getBuilderList();
       }
       private com.google.protobuf.RepeatedFieldBuilderV3<
-          greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder> 
+          io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder> 
           getTableIdsFieldBuilder() {
         if (tableIdsBuilder_ == null) {
           tableIdsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
-              greptime.v1.meta.Common.TableId, greptime.v1.meta.Common.TableId.Builder, greptime.v1.meta.Common.TableIdOrBuilder>(
+              io.greptime.v1.Ddl.TableId, io.greptime.v1.Ddl.TableId.Builder, io.greptime.v1.Ddl.TableIdOrBuilder>(
                   tableIds_,
                   ((bitField0_ & 0x00000001) != 0),
                   getParentForChildren(),
@@ -13077,15 +13077,14 @@ public final class Ddl {
       "baseTaskH\000\022<\n\020create_flow_task\030\013 \001(\0132 .g" +
       "reptime.v1.meta.CreateFlowTaskH\000\0228\n\016drop" +
       "_flow_task\030\014 \001(\0132\036.greptime.v1.meta.Drop" +
-      "FlowTaskH\000B\006\n\004task\"\312\001\n\017DdlTaskResponse\0220" +
+      "FlowTaskH\000B\006\n\004task\"\300\001\n\017DdlTaskResponse\0220" +
       "\n\006header\030\001 \001(\0132 .greptime.v1.meta.Respon" +
       "seHeader\022*\n\003pid\030\002 \001(\0132\035.greptime.v1.meta" +
-      ".ProcedureId\022+\n\010table_id\030\004 \001(\0132\031.greptim" +
+      ".ProcedureId\022&\n\010table_id\030\004 \001(\0132\024.greptim" +
-      "e.v1.meta.TableId\022,\n\ttable_ids\030\005 \003(\0132\031.g" +
+      "e.v1.TableId\022\'\n\ttable_ids\030\005 \003(\0132\024.grepti" +
-      "reptime.v1.meta.TableId*#\n\013DdlTaskType\022\n" +
+      "me.v1.TableId*#\n\013DdlTaskType\022\n\n\006Create\020\000" +
-      "\n\006Create\020\000\022\010\n\004Drop\020\001B<Z:github.com/Grept" +
+      "\022\010\n\004Drop\020\001B<Z:github.com/GreptimeTeam/gr" +
-      "imeTeam/greptime-proto/go/greptime/v1/me" +
+      "eptime-proto/go/greptime/v1/metab\006proto3"
-      "tab\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,

proto/greptime/v1/ddl.proto

@@ -56,6 +56,8 @@ message CreateFlowExpr {
 message DropFlowExpr {
   string catalog_name = 1;
   string flow_name = 2;
+  FlowId flow_id = 3;
+  bool drop_if_exists = 5;
 }
 
 message CreateTableExpr {
@@ -135,6 +137,8 @@ message DropColumn { string name = 1; }
 
 message TableId { uint32 id = 1; }
 
+message FlowId { uint32 id = 1; }
+
 message ColumnDef {
   string name = 1;
   ColumnDataType data_type = 2;

proto/greptime/v1/flow/server.proto

@@ -59,9 +59,9 @@ message FlowRequest {
 message FlowResponse {
   ResponseHeader header = 1;
   uint64 affected_rows = 2;
-  map<string, bytes> extension = 3;
+  // affected flow ids
-  // affected task ids
+  repeated FlowId affected_flows = 3;
-  repeated TaskId affected_tasks = 4;
+  map<string, bytes> extension = 4;
 }
 
 // Create a flow
@@ -69,7 +69,7 @@ message FlowResponse {
 // Very similar to `ddl.CreateTaskExpr`, 
 // replace `source_table_names` with `source_table_ids`
 message CreateRequest {
-  TaskId flow_id = 1; 
+  FlowId flow_id = 1; 
   repeated TableId source_table_ids = 2;
   TableName sink_table_name = 3;
   bool create_if_not_exists = 4;
@@ -79,6 +79,5 @@ message CreateRequest {
   map<string, string> flow_options = 8;
 }
 
-message DropRequest { TaskId flow_id = 1; }
+message DropRequest { FlowId flow_id = 1; }
 
-message TaskId { uint32 id = 1; }

proto/greptime/v1/meta/common.proto

@@ -52,8 +52,6 @@ message Peer {
   string addr = 2;
 }
 
-message TableId { uint32 id = 1; }
-
 message TimeInterval {
   // The unix timestamp in millis of the start of this period.
   int64 start_timestamp_millis = 1;