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builder.go
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builder.go
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// Copyright 2022 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package sqlkv
import (
"database/sql"
"github.com/pingcap/tiflow/engine/pkg/meta/internal/sqlkv/namespace"
"github.com/pingcap/tiflow/engine/pkg/meta/model"
"github.com/pingcap/tiflow/pkg/errors"
)
// ClientBuilderImpl is the implement of ClientBuilder for sqlkv
type ClientBuilderImpl struct{}
// ClientType implements ClientType of clientBuilder
func (b *ClientBuilderImpl) ClientType() model.ClientType {
return model.SQLKVClientType
}
// NewKVClientWithNamespace implements NewKVClientWithNamespace of clientBuilder
func (b *ClientBuilderImpl) NewKVClientWithNamespace(cc model.ClientConn,
projectID model.ProjectID, jobID model.JobID,
) (model.KVClient, error) {
conn, err := cc.GetConn()
if err != nil {
return nil, err
}
db, ok := conn.(*sql.DB)
if !ok {
return nil, errors.ErrMetaParamsInvalid.GenWithStack(
"invalid ClientConn type for sql kvclient builder, conn type:%s", cc.StoreType())
}
tableName := namespace.TableNameWithNamespace(projectID)
return NewSQLKVClientImpl(db, cc.StoreType(), tableName, jobID)
}