// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// This file is @generated by prost-build.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RegionRequestHeader {
    /// Encoded trace_id & span_id, follow the w3c Trace Context
    /// <https://www.w3.org/TR/trace-context/#header-name>
    #[prost(map = "string, string", tag = "5")]
    pub tracing_context: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// DB Name of request, tracking only
    #[prost(string, tag = "3")]
    pub dbname: ::prost::alloc::string::String,
    /// The contextual information of the query
    #[prost(message, optional, tag = "6")]
    pub query_context: ::core::option::Option<super::QueryContext>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RegionRequest {
    #[prost(message, optional, tag = "1")]
    pub header: ::core::option::Option<RegionRequestHeader>,
    /// query request is handled in flight services.
    #[prost(
        oneof = "region_request::Body",
        tags = "3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20"
    )]
    pub body: ::core::option::Option<region_request::Body>,
}
/// Nested message and enum types in `RegionRequest`.
pub mod region_request {
    /// query request is handled in flight services.
    #[derive(strum_macros::AsRefStr)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Body {
        #[prost(message, tag = "3")]
        Inserts(super::InsertRequests),
        #[prost(message, tag = "4")]
        Deletes(super::DeleteRequests),
        #[prost(message, tag = "5")]
        Create(super::CreateRequest),
        #[prost(message, tag = "6")]
        Drop(super::DropRequest),
        #[prost(message, tag = "7")]
        Open(super::OpenRequest),
        #[prost(message, tag = "8")]
        Close(super::CloseRequest),
        #[prost(message, tag = "9")]
        Alter(super::AlterRequest),
        #[prost(message, tag = "10")]
        Flush(super::FlushRequest),
        #[prost(message, tag = "11")]
        Compact(super::CompactRequest),
        #[prost(message, tag = "12")]
        Truncate(super::TruncateRequest),
        #[prost(message, tag = "13")]
        Creates(super::CreateRequests),
        #[prost(message, tag = "14")]
        Drops(super::DropRequests),
        #[prost(message, tag = "15")]
        Alters(super::AlterRequests),
        #[prost(message, tag = "16")]
        BulkInsert(super::BulkInsertRequest),
        #[prost(message, tag = "17")]
        Sync(super::SyncRequest),
        #[prost(message, tag = "18")]
        ListMetadata(super::ListMetadataRequest),
        #[prost(message, tag = "19")]
        BuildIndex(super::BuildIndexRequest),
        #[prost(message, tag = "20")]
        ApplyStagingManifest(super::ApplyStagingManifestRequest),
    }
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RegionResponse {
    #[prost(message, optional, tag = "1")]
    pub header: ::core::option::Option<super::ResponseHeader>,
    #[prost(uint64, tag = "2")]
    pub affected_rows: u64,
    #[prost(map = "string, bytes", tag = "3")]
    pub extensions: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::vec::Vec<u8>,
    >,
    /// Response for ListMetadataRequest.
    /// It is a json array of region metadatas.
    /// The length of the array is equal to the number of regions in the list request.
    /// The element is null if the region is not found.
    #[prost(bytes = "vec", tag = "4")]
    pub metadata: ::prost::alloc::vec::Vec<u8>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct InsertRequests {
    #[prost(message, repeated, tag = "1")]
    pub requests: ::prost::alloc::vec::Vec<InsertRequest>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DeleteRequests {
    #[prost(message, repeated, tag = "1")]
    pub requests: ::prost::alloc::vec::Vec<DeleteRequest>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct InsertRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(message, optional, tag = "2")]
    pub rows: ::core::option::Option<super::Rows>,
    #[prost(message, optional, tag = "3")]
    pub partition_expr_version: ::core::option::Option<super::PartitionExprVersion>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DeleteRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(message, optional, tag = "2")]
    pub rows: ::core::option::Option<super::Rows>,
    #[prost(message, optional, tag = "3")]
    pub partition_expr_version: ::core::option::Option<super::PartitionExprVersion>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct QueryRequest {
    #[prost(message, optional, tag = "1")]
    pub header: ::core::option::Option<RegionRequestHeader>,
    #[prost(uint64, tag = "2")]
    pub region_id: u64,
    /// substrait plan to query
    #[prost(bytes = "vec", tag = "3")]
    pub plan: ::prost::alloc::vec::Vec<u8>,
}
/// Create a batch of regions at once, usually used to create multiple logical
/// regions at once. Different engines can choose whether to support this
/// request. Metric Engine needs it.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct CreateRequests {
    #[prost(message, repeated, tag = "1")]
    pub requests: ::prost::alloc::vec::Vec<CreateRequest>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct CreateRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    /// Region engine name
    #[prost(string, tag = "2")]
    pub engine: ::prost::alloc::string::String,
    /// Columns in this region.
    #[prost(message, repeated, tag = "3")]
    pub column_defs: ::prost::alloc::vec::Vec<RegionColumnDef>,
    /// Column Id of primary keys.
    #[prost(uint32, repeated, tag = "4")]
    pub primary_key: ::prost::alloc::vec::Vec<u32>,
    /// Region storage path
    #[prost(string, tag = "5")]
    pub path: ::prost::alloc::string::String,
    /// Options of the created region.
    #[prost(map = "string, string", tag = "6")]
    pub options: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Partition of the created region.
    #[prost(message, optional, tag = "7")]
    pub partition: ::core::option::Option<super::meta::Partition>,
}
/// Same as CreateRequests, but for dropping regions.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DropRequests {
    #[prost(message, repeated, tag = "1")]
    pub requests: ::prost::alloc::vec::Vec<DropRequest>,
}
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct DropRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    /// Only used by Metric Engine, for fast path drop.
    /// It only works for Metric Engine, and will be ignored by other engines.
    /// If true, the Metric Engine will delete logical tables in memory, and drop the physical region eventually.
    #[prost(bool, tag = "2")]
    pub fast_path: bool,
    /// Used only by the Metric Engine, to forcibly drop a physical region and all its associated logical regions.
    #[prost(bool, tag = "3")]
    pub force: bool,
    /// If true, indicates that only a portion of the region is being dropped, and files may still be referenced by other regions.
    /// This is used to prevent deletion of files that are still in use by other regions.
    #[prost(bool, tag = "4")]
    pub partial_drop: bool,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct OpenRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    /// Region engine name
    #[prost(string, tag = "2")]
    pub engine: ::prost::alloc::string::String,
    /// Region storage path
    #[prost(string, tag = "3")]
    pub path: ::prost::alloc::string::String,
    /// Options of the opened region.
    #[prost(map = "string, string", tag = "4")]
    pub options: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
}
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct CloseRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AlterRequests {
    #[prost(message, repeated, tag = "1")]
    pub requests: ::prost::alloc::vec::Vec<AlterRequest>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AlterRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    /// The version of the schema before applying the alteration.
    #[prost(uint64, tag = "4")]
    pub schema_version: u64,
    #[prost(
        oneof = "alter_request::Kind",
        tags = "2, 3, 5, 6, 9, 10, 11, 12, 13, 14, 15, 16"
    )]
    pub kind: ::core::option::Option<alter_request::Kind>,
}
/// Nested message and enum types in `AlterRequest`.
pub mod alter_request {
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Kind {
        #[prost(message, tag = "2")]
        AddColumns(super::AddColumns),
        #[prost(message, tag = "3")]
        DropColumns(super::DropColumns),
        #[prost(message, tag = "5")]
        ModifyColumnTypes(super::super::ModifyColumnTypes),
        #[prost(message, tag = "6")]
        SetTableOptions(super::super::SetTableOptions),
        #[prost(message, tag = "9")]
        UnsetTableOptions(super::super::UnsetTableOptions),
        /// Deprecated: use set_indexes instead.
        #[prost(message, tag = "10")]
        SetIndex(super::super::SetIndex),
        /// Deprecated: use unset_indexes instead.
        #[prost(message, tag = "11")]
        UnsetIndex(super::super::UnsetIndex),
        #[prost(message, tag = "12")]
        DropDefaults(super::super::DropDefaults),
        #[prost(message, tag = "13")]
        SetIndexes(super::super::SetIndexes),
        #[prost(message, tag = "14")]
        UnsetIndexes(super::super::UnsetIndexes),
        #[prost(message, tag = "15")]
        SetDefaults(super::super::SetDefaults),
        #[prost(message, tag = "16")]
        SyncColumns(super::SyncColumns),
    }
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct SyncColumns {
    #[prost(message, repeated, tag = "1")]
    pub column_defs: ::prost::alloc::vec::Vec<RegionColumnDef>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AddColumns {
    #[prost(message, repeated, tag = "1")]
    pub add_columns: ::prost::alloc::vec::Vec<AddColumn>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DropColumns {
    #[prost(message, repeated, tag = "1")]
    pub drop_columns: ::prost::alloc::vec::Vec<DropColumn>,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct AddColumn {
    #[prost(message, optional, tag = "1")]
    pub column_def: ::core::option::Option<RegionColumnDef>,
    #[prost(message, optional, tag = "3")]
    pub location: ::core::option::Option<super::AddColumnLocation>,
}
#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
pub struct DropColumn {
    #[prost(string, tag = "1")]
    pub name: ::prost::alloc::string::String,
}
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct FlushRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
}
/// / Regular compaction
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct Regular {}
/// / Strictly-windowed compaction.
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct StrictWindow {
    #[prost(int64, tag = "1")]
    pub window_seconds: i64,
}
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct CompactRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(uint32, tag = "4")]
    pub parallelism: u32,
    #[prost(oneof = "compact_request::Options", tags = "2, 3")]
    pub options: ::core::option::Option<compact_request::Options>,
}
/// Nested message and enum types in `CompactRequest`.
pub mod compact_request {
    #[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Oneof)]
    pub enum Options {
        #[prost(message, tag = "2")]
        Regular(super::Regular),
        #[prost(message, tag = "3")]
        StrictWindow(super::StrictWindow),
    }
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TruncateRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(oneof = "truncate_request::Kind", tags = "2, 3")]
    pub kind: ::core::option::Option<truncate_request::Kind>,
}
/// Nested message and enum types in `TruncateRequest`.
pub mod truncate_request {
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Kind {
        #[prost(message, tag = "2")]
        All(super::All),
        #[prost(message, tag = "3")]
        TimeRanges(super::super::TimeRanges),
    }
}
/// Truncate all data in region
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct 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`
/// that is known internally.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RegionColumnDef {
    #[prost(message, optional, tag = "1")]
    pub column_def: ::core::option::Option<super::ColumnDef>,
    #[prost(uint32, tag = "2")]
    pub column_id: u32,
}
/// Request of bulk ingestion API.
#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
pub struct BulkInsertRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(message, optional, tag = "3")]
    pub partition_expr_version: ::core::option::Option<super::PartitionExprVersion>,
    #[prost(oneof = "bulk_insert_request::Body", tags = "2")]
    pub body: ::core::option::Option<bulk_insert_request::Body>,
}
/// Nested message and enum types in `BulkInsertRequest`.
pub mod bulk_insert_request {
    #[derive(Clone, PartialEq, Eq, Hash, ::prost::Oneof)]
    pub enum Body {
        #[prost(message, tag = "2")]
        ArrowIpc(super::super::ArrowIpc),
    }
}
/// Manifest info for mito engine.
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct MitoManifestInfo {
    #[prost(uint64, tag = "1")]
    pub data_manifest_version: u64,
}
/// Manifest info for metric engine.
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct MetricManifestInfo {
    #[prost(uint64, tag = "1")]
    pub data_manifest_version: u64,
    #[prost(uint64, tag = "2")]
    pub metadata_manifest_version: u64,
}
/// Sync request for region.
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct SyncRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    #[prost(oneof = "sync_request::ManifestInfo", tags = "2, 3")]
    pub manifest_info: ::core::option::Option<sync_request::ManifestInfo>,
}
/// Nested message and enum types in `SyncRequest`.
pub mod sync_request {
    #[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Oneof)]
    pub enum ManifestInfo {
        #[prost(message, tag = "2")]
        MitoManifestInfo(super::MitoManifestInfo),
        #[prost(message, tag = "3")]
        MetricManifestInfo(super::MetricManifestInfo),
    }
}
/// Get region metadatas of a list of regions.
#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
pub struct ListMetadataRequest {
    #[prost(uint64, repeated, tag = "1")]
    pub region_ids: ::prost::alloc::vec::Vec<u64>,
}
#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
pub struct BuildIndexRequest {
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
}
/// The file metas of a staging manifest.
/// It is a json array of file metadatas.
#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
pub struct FileMetas {
    #[prost(bytes = "vec", tag = "1")]
    pub data: ::prost::alloc::vec::Vec<u8>,
}
/// / Apply staging manifest request.
#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
pub struct ApplyStagingManifestRequest {
    /// The target region id.
    #[prost(uint64, tag = "1")]
    pub region_id: u64,
    /// The partition expression of the staging manifest.
    #[prost(string, tag = "2")]
    pub partition_expr: ::prost::alloc::string::String,
    /// The region stores the staging manifest.
    #[prost(uint64, tag = "3")]
    pub central_region_id: u64,
    /// Path to the staging manifest file.
    #[prost(string, tag = "4")]
    pub manifest_path: ::prost::alloc::string::String,
}
/// Generated client implementations.
pub mod region_client {
    #![allow(
        unused_variables,
        dead_code,
        missing_docs,
        clippy::wildcard_imports,
        clippy::let_unit_value,
    )]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    #[derive(Debug, Clone)]
    pub struct RegionClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl RegionClient<tonic::transport::Channel> {
        /// Attempt to create a new client by connecting to a given endpoint.
        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
        where
            D: TryInto<tonic::transport::Endpoint>,
            D::Error: Into<StdError>,
        {
            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
            Ok(Self::new(conn))
        }
    }
    impl<T> RegionClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::Body>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> RegionClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::Body>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::Body>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::Body>,
            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
        {
            RegionClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_decoding_message_size(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_encoding_message_size(limit);
            self
        }
        pub async fn handle(
            &mut self,
            request: impl tonic::IntoRequest<super::RegionRequest>,
        ) -> std::result::Result<tonic::Response<super::RegionResponse>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic_prost::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/greptime.v1.region.Region/Handle",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(GrpcMethod::new("greptime.v1.region.Region", "Handle"));
            self.inner.unary(req, path, codec).await
        }
    }
}
/// Generated server implementations.
pub mod region_server {
    #![allow(
        unused_variables,
        dead_code,
        missing_docs,
        clippy::wildcard_imports,
        clippy::let_unit_value,
    )]
    use tonic::codegen::*;
    /// Generated trait containing gRPC methods that should be implemented for use with RegionServer.
    #[async_trait]
    pub trait Region: std::marker::Send + std::marker::Sync + 'static {
        async fn handle(
            &self,
            request: tonic::Request<super::RegionRequest>,
        ) -> std::result::Result<tonic::Response<super::RegionResponse>, tonic::Status>;
    }
    #[derive(Debug)]
    pub struct RegionServer<T> {
        inner: Arc<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
        max_decoding_message_size: Option<usize>,
        max_encoding_message_size: Option<usize>,
    }
    impl<T> RegionServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
            Self {
                inner,
                accept_compression_encodings: Default::default(),
                send_compression_encodings: Default::default(),
                max_decoding_message_size: None,
                max_encoding_message_size: None,
            }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> InterceptedService<Self, F>
        where
            F: tonic::service::Interceptor,
        {
            InterceptedService::new(Self::new(inner), interceptor)
        }
        /// Enable decompressing requests with the given encoding.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.accept_compression_encodings.enable(encoding);
            self
        }
        /// Compress responses with the given encoding, if the client supports it.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.send_compression_encodings.enable(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.max_decoding_message_size = Some(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.max_encoding_message_size = Some(limit);
            self
        }
    }
    impl<T, B> tonic::codegen::Service<http::Request<B>> for RegionServer<T>
    where
        T: Region,
        B: Body + std::marker::Send + 'static,
        B::Error: Into<StdError> + std::marker::Send + 'static,
    {
        type Response = http::Response<tonic::body::Body>;
        type Error = std::convert::Infallible;
        type Future = BoxFuture<Self::Response, Self::Error>;
        fn poll_ready(
            &mut self,
            _cx: &mut Context<'_>,
        ) -> Poll<std::result::Result<(), Self::Error>> {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
            match req.uri().path() {
                "/greptime.v1.region.Region/Handle" => {
                    #[allow(non_camel_case_types)]
                    struct HandleSvc<T: Region>(pub Arc<T>);
                    impl<T: Region> tonic::server::UnaryService<super::RegionRequest>
                    for HandleSvc<T> {
                        type Response = super::RegionResponse;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::RegionRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as Region>::handle(&inner, request).await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = HandleSvc(inner);
                        let codec = tonic_prost::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                _ => {
                    Box::pin(async move {
                        let mut response = http::Response::new(
                            tonic::body::Body::default(),
                        );
                        let headers = response.headers_mut();
                        headers
                            .insert(
                                tonic::Status::GRPC_STATUS,
                                (tonic::Code::Unimplemented as i32).into(),
                            );
                        headers
                            .insert(
                                http::header::CONTENT_TYPE,
                                tonic::metadata::GRPC_CONTENT_TYPE,
                            );
                        Ok(response)
                    })
                }
            }
        }
    }
    impl<T> Clone for RegionServer<T> {
        fn clone(&self) -> Self {
            let inner = self.inner.clone();
            Self {
                inner,
                accept_compression_encodings: self.accept_compression_encodings,
                send_compression_encodings: self.send_compression_encodings,
                max_decoding_message_size: self.max_decoding_message_size,
                max_encoding_message_size: self.max_encoding_message_size,
            }
        }
    }
    /// Generated gRPC service name
    pub const SERVICE_NAME: &str = "greptime.v1.region.Region";
    impl<T> tonic::server::NamedService for RegionServer<T> {
        const NAME: &'static str = SERVICE_NAME;
    }
}