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util.go
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util.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 dbutil
import (
"database/sql"
"strings"
"github.com/pingcap/log"
"github.com/pingcap/tiflow/pkg/errors"
"go.uber.org/zap"
)
// NewSQLDB return sql.DB for specified driver and dsn
func NewSQLDB(driver string, dsn string, dbConf *DBConfig) (*sql.DB, error) {
db, err := sql.Open(driver, dsn)
if err != nil {
log.Error("open dsn fail", zap.String("dsn", dsn), zap.Any("config", dbConf), zap.Error(err))
return nil, errors.ErrMetaOpFail.Wrap(err)
}
if dbConf != nil {
db.SetConnMaxIdleTime(dbConf.ConnMaxIdleTime)
db.SetConnMaxLifetime(dbConf.ConnMaxLifeTime)
db.SetMaxIdleConns(dbConf.MaxIdleConns)
db.SetMaxOpenConns(dbConf.MaxOpenConns)
}
return db, nil
}
// GetSQLStrictMode return SQL strict mode for metastore
// Use strict mode to avoid unexpected silent processing of meta data
func GetSQLStrictMode() string {
needEnable := []string{
"STRICT_TRANS_TABLES",
"STRICT_ALL_TABLES",
"ERROR_FOR_DIVISION_BY_ZERO",
}
return strings.Join(needEnable, ",")
}