转到mysql和cloneTLSConfig

when I use go mysql. i got this problem. undefined: cloneTLSConfig I don't know how to fix this problem. here it is my code.

package main

import(
        "database/sql"

        _"github.com/go-sql-driver/mysql"

         "fmt"
         "log"
)

func main() {
    db,err=sql.Open("mysql","root:19920211@tcp(localhost:3306)/names?charset=utf8" )

    if err!=nil {
        log.Fatal(err)
    }

    fmt.Println("Well done")

    defer db.Close()
}

When building:

$ go build
# github.com/go-sql-driver/mysql
src/github.com/go-sql-driver/mysql/utils.go:81: undefined: cloneTLSConfig

You are using an old version of golang (<= 1.6.4) and this is no longer supported by the go-sql-driver/mysql maintainer.

You have to upgrade your golang version or use another mysql driver, like ziutek/mymysql.

See this link for more detail.