Cr <******@****.***> 1675834841 +0800

		}
	}
	return rows, err
}

func (db *PreparedStmtDB) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
	stmt, err := db.prepare(ctx, db.ConnPool, false, query)
	if err == nil {
		return stmt.QueryRowContext(ctx, args...)
	}
	return &sql.Row{}
}

func (db *PreparedStmtDB) Ping() error {
	conn, err := db.GetDBConn()
	if err != nil {
		return err
	}

		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || total != 60 {
		t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
	}

	if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("users.name").Row().Scan(&name, &total); err != nil {

// rows in some manner. Requires all input rows to be processed,
// before a result is returned.
//
// Row function - An expression that depends on a value in the
// row. They have an output for each input row.
//
// Some types of a queries are not valid. For example, an aggregation
// function combined with a row function is meaningless ("AVG(s.Age) +
// s.Salary"). Analysis determines if such a scenario exists so an

	odd := make([]uint64, 32)  // odd-power-of-two zeros operator

	// put operator for one zero bit in odd
	odd[0] = uint64(poly) // CRC-32 polynomial
	row := uint64(1)
	for n := 1; n < 32; n++ {
		odd[n] = row
		row <<= 1
	}

	// put operator for two zero bits in even
	gf2MatrixSquare(even, odd)

	// put operator for four zero bits in odd
	gf2MatrixSquare(odd, even)

                props.put(propertyDoc.getName(), propertyDoc.forClass(classDoc, additionalValues.values()));
            }
        }

        for (Element row : children(classDoc.getPropertiesTable(), "tr")) {
            List<Element> cells = children(row, "td");
            if (cells.size() != header.size()) {
                throw new RuntimeException(String.format("Expected %s <td> elements in <tr>, found: %s", header.size(), tr));

}

func (cs *callbacks) Update() *processor {
	return cs.processors["update"]
}

func (cs *callbacks) Delete() *processor {
	return cs.processors["delete"]
}

func (cs *callbacks) Row() *processor {
	return cs.processors["row"]
}

func (cs *callbacks) Raw() *processor {
	return cs.processors["raw"]
}

func (p *processor) Execute(db *DB) *DB {
	// call scopes
	for len(db.Statement.scopes) > 0 {

	updateCallback.Match(enableTransaction).Register("gorm:commit_or_rollback_transaction", CommitOrRollbackTransaction)
	updateCallback.Clauses = config.UpdateClauses

	rowCallback := db.Callback().Row()
	rowCallback.Register("gorm:row", RowQuery)
	rowCallback.Clauses = config.QueryClauses

	rawCallback := db.Callback().Raw()
	rawCallback.Register("gorm:raw", RawExec)
	rawCallback.Clauses = config.QueryClauses

	c.conn.got = append(c.conn.got, query)
	return c.Tx.QueryContext(ctx, query, args...)
}

func (c *wrapperTx) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
	c.conn.got = append(c.conn.got, query)
	return c.Tx.QueryRowContext(ctx, query, args...)
}

type wrapperConnPool struct {
	db     *sql.DB
	got    []string
	expect []string
}

	QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
	QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
}

// SavePointerDialectorInterface save pointer interface
type SavePointerDialectorInterface interface {
	SavePoint(tx *DB, name string) error
	RollbackTo(tx *DB, name string) error
}

// TxBeginner tx beginner