github.com/matrixorigin/matrixone@v1.2.0/pkg/queryservice/rpc_version.go (about)

     1  // Copyright 2021 - 2023 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package queryservice
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    21  	"github.com/matrixorigin/matrixone/pkg/common/runtime"
    22  	"github.com/matrixorigin/matrixone/pkg/pb/query"
    23  )
    24  
    25  func handleGetProtocolVersion(ctx context.Context, req *query.Request, resp *query.Response) error {
    26  	if req.GetProtocolVersion == nil {
    27  		return moerr.NewInternalError(ctx, "bad request")
    28  	}
    29  	version, ok := runtime.ProcessLevelRuntime().GetGlobalVariables(runtime.MOProtocolVersion)
    30  	if !ok {
    31  		resp.WrapError(moerr.NewInternalError(ctx, "protocol version not found"))
    32  		return nil
    33  	}
    34  	resp.GetProtocolVersion = &query.GetProtocolVersionResponse{
    35  		Version: version.(int64),
    36  	}
    37  	return nil
    38  }
    39  
    40  func handleSetProtocolVersion(ctx context.Context, req *query.Request, resp *query.Response) error {
    41  	if req.SetProtocolVersion == nil {
    42  		return moerr.NewInternalError(ctx, "bad request")
    43  	}
    44  	runtime.ProcessLevelRuntime().SetGlobalVariables(runtime.MOProtocolVersion, req.SetProtocolVersion.Version)
    45  	resp.SetProtocolVersion = &query.SetProtocolVersionResponse{
    46  		Version: req.SetProtocolVersion.Version,
    47  	}
    48  	return nil
    49  }