driver/driver.go
func (c *conn) Exec(query string, args []driver.Value) (driver.Result, error) {
	panic("deprecated")
}
func (c *conn) Exec(query string, args []driver.Value) (driver.Result, error) {
	panic("deprecated")
}
func ( c * conn ) Exec ( query string , args [ ] driver . Value ) ( driver . Result , error ) { panic ( " " ) }
// Exec implements the database/sql/driver/Execer interface.
// delete after go 1.9 compatibility is given up.
Exec implements the database / sql / driver / Execer interface . delete after go 1 . 9 compatibility is given up .