github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/engine/pkg/meta/internal/sqlkv/builder.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package sqlkv
    15  
    16  import (
    17  	"database/sql"
    18  
    19  	"github.com/pingcap/tiflow/engine/pkg/meta/internal/sqlkv/namespace"
    20  	"github.com/pingcap/tiflow/engine/pkg/meta/model"
    21  	"github.com/pingcap/tiflow/pkg/errors"
    22  )
    23  
    24  // ClientBuilderImpl is the implement of ClientBuilder for sqlkv
    25  type ClientBuilderImpl struct{}
    26  
    27  // ClientType implements ClientType of clientBuilder
    28  func (b *ClientBuilderImpl) ClientType() model.ClientType {
    29  	return model.SQLKVClientType
    30  }
    31  
    32  // NewKVClientWithNamespace implements NewKVClientWithNamespace of clientBuilder
    33  func (b *ClientBuilderImpl) NewKVClientWithNamespace(cc model.ClientConn,
    34  	projectID model.ProjectID, jobID model.JobID,
    35  ) (model.KVClient, error) {
    36  	conn, err := cc.GetConn()
    37  	if err != nil {
    38  		return nil, err
    39  	}
    40  
    41  	db, ok := conn.(*sql.DB)
    42  	if !ok {
    43  		return nil, errors.ErrMetaParamsInvalid.GenWithStack(
    44  			"invalid ClientConn type for sql kvclient builder, conn type:%s", cc.StoreType())
    45  	}
    46  
    47  	tableName := namespace.TableNameWithNamespace(projectID)
    48  	return NewSQLKVClientImpl(db, cc.StoreType(), tableName, jobID)
    49  }