gf/g/database/gdb/gdb_sqlite.go

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// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://gitee.com/johng/gf.
// @author wxkj<wxscz@qq.com>
package gdb
import (
"database/sql"
)
// 使用时需要import:
// _ "gitee.com/johng/gf/third/github.com/mattn/go-sqlite3"
// Sqlite接口对象
// @author wxkj<wxscz@qq.com>
// 数据库链接对象
type dbSqlite struct {
*dbBase
}
func (db *dbSqlite) Open(config *ConfigNode) (*sql.DB, error) {
var source string
if config.Linkinfo != "" {
source = config.Linkinfo
} else {
source = config.Name
}
if db, err := sql.Open("sqlite3", source); err == nil {
return db, nil
} else {
return nil, err
}
}
// 获得关键字操作符
func (db *dbSqlite) getChars () (charLeft string, charRight string) {
return "`", "`"
}
// 在执行sql之前对sql进行进一步处理
// @todo 需要增加对Save方法的支持可使用正则来实现替换
// @todo 将ON DUPLICATE KEY UPDATE触发器修改为两条SQL语句(INSERT OR IGNORE & UPDATE)
func (db *dbSqlite) handleSqlBeforeExec(query string) string {
return query
}