package like import ( "context" "fmt" "github.com/pkg/errors" ) var ( _batchUpExtSQL = "INSERT INTO like_extend (`lid`,`like`) VALUES %s ON DUPLICATE KEY UPDATE `like`=values(`like`)" ) // AddExtend . func (dao *Dao) AddExtend(c context.Context, query string) (res int64, err error) { rows, err := dao.db.Exec(c, fmt.Sprintf(_batchUpExtSQL, query)) if err != nil { err = errors.Wrap(err, " dao.db.Exec()") return } return rows.RowsAffected() }