package dao import ( "time" ) func NotExistsCreate(printNo string) error { sql := `INSERT INTO print_activation (print_no,created_at) SELECT ?,? FROM dual WHERE NOT EXISTS (SELECT * FROM print_activation WHERE print_no = ?)` param := []interface{}{printNo, time.Now(), printNo} if _, err := ExecuteSQL(GetDB(), sql, param...); err != nil { return err } return nil }