org.h2.command.query

类 QueryOrderBy

java.lang.Object

org.h2.command.query.QueryOrderBy

public class QueryOrderBy
extends Object

Describes one element of the ORDER BY clause of a query.

字段概要

字段

限定符和类型	字段和说明
Expression	columnIndexExpr The column index expression.
Expression	expression The order by expression.
int	sortType Sort type for this column.

构造器概要

构造器

构造器和说明
QueryOrderBy()

方法概要

限定符和类型	方法和说明
void	getSQL(StringBuilder builder, int sqlFlags) Appends the order by expression to the specified builder.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

expression

public Expression expression

The order by expression.

columnIndexExpr

public Expression columnIndexExpr

The column index expression. This can be a column index number (1 meaning the first column of the select list) or a parameter (the parameter is a number representing the column index number).

sortType

public int sortType

Sort type for this column.

构造器详细资料

QueryOrderBy

public QueryOrderBy()

方法详细资料

getSQL

public void getSQL(StringBuilder builder,
                   int sqlFlags)

Appends the order by expression to the specified builder.

参数:

builder - the string builder

sqlFlags - formatting flags