gf/g/database/gdb/gdb_mysql.go

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package gdb
import (
"database/sql"
"fmt"
"gitee.com/johng/gf/g/os/glog"
)
// 数据库链接对象
type mysqlLink struct {
dbLink
}
// 创建SQL操作对象内部采用了lazy link处理
func (l *mysqlLink) Open (c *ConfigNode) (*sql.DB, error) {
var dbsource string
if c.Linkinfo != "" {
dbsource = c.Linkinfo
} else {
dbsource = fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", c.User, c.Pass, c.Host, c.Port, c.Name)
}
db, err := sql.Open("mysql", dbsource)
if err != nil {
glog.Fatal(err)
}
return db, err
}
// 获得关键字操作符 - 左
func (l *mysqlLink) getQuoteCharLeft () string {
return "`"
}
// 获得关键字操作符 - 右
func (l *mysqlLink) getQuoteCharRight () string {
return "`"
}
// 在执行sql之前对sql进行进一步处理
func (l *mysqlLink) handleSqlBeforeExec(q *string) *string {
return q
}