feat: truncate request by time ranges (#262)

* feat: truncate request by time ranges Signed-off-by: discord9 <discord9@163.com> * fix: default time unit is millisecond Signed-off-by: discord9 <discord9@163.com> * refactor: per review Signed-off-by: discord9 <discord9@163.com> * add time ranges to truncate table expr Signed-off-by: discord9 <discord9@163.com> * chore: make all Signed-off-by: discord9 <discord9@163.com> * chore: fmt Signed-off-by: discord9 <discord9@163.com> * chore: make all Signed-off-by: discord9 <discord9@163.com> * chore: make all Signed-off-by: discord9 <discord9@163.com> --------- Signed-off-by: discord9 <discord9@163.com>
2025-08-04 18:17:40 +08:00
parent 91c3d7b97a
commit ccfd4da48b
15 changed files with 5844 additions and 894 deletions
@@ -154,6 +154,26 @@ message IntervalMonthDayNano {
  int64 nanoseconds = 3;
 }

+/// Time Unit for timestamp
+enum TimeUnit {
+  // The default time unit is MILLISECOND
+  MILLISECOND = 0;
+  SECOND = 1;
+  MICROSECOND = 2;
+  NANOSECOND = 3;
+}
+
+message TimeRange {
+  int64 start = 1;
+  int64 end = 2;
+}
+
+/// Truncate partially by time ranges
+message TimeRanges {
+  TimeUnit time_unit = 1;
+  repeated TimeRange time_ranges = 2;
+}
+
 // (hi: high 64 bits, lo: low 64 bits) are used to keep the decimal128 value.
 message Decimal128 {
  int64 hi = 1;
@@ -177,6 +177,8 @@ message TruncateTableExpr {
  string schema_name = 2;
  string table_name = 3;
  TableId table_id = 4;
+  // if empty, truncate entire table, else only truncate time ranges
+  TimeRanges time_ranges = 5;
 }

 message DropDatabaseExpr {
@@ -215,8 +215,15 @@ message CompactRequest {

 message TruncateRequest {
  uint64 region_id = 1;
+  oneof kind {
+    All all = 2;
+    TimeRanges time_ranges = 3;
+  }
 }

+// Truncate all data in region
+message All {}
+
 // The column definition of a region. Unlike the message `ColumnDef` in
 // `ddl.proto` which is for clients outside GreptimeDB, this `RegionColumnDef`
 // is for region requests use only. So it carries an extra field `column_id`