44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
// Copyright 2022 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package dbutil
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import (
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"context"
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"database/sql"
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)
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// check compatibility
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var (
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_ DBExecutor = &sql.DB{}
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_ DBExecutor = &sql.Conn{}
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)
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// QueryExecutor is a interface for execute Query from a database.
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//
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// in generate the implement should be *sql.DB or *sql.Conn
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type QueryExecutor interface {
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QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
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QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
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}
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// DBExecutor is a interface for execute read and write statements from a database.
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//
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// in generate the implement should be *sql.DB or *sql.Conn
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type DBExecutor interface {
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QueryExecutor
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BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
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ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
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}
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