Package org.queryman.builder.token.expression

Class SubQueryExpression<T>

java.lang.Object

org.queryman.builder.token.AbstractToken

org.queryman.builder.token.Expression

org.queryman.builder.token.PreparedExpression

org.queryman.builder.token.expression.SubQueryExpression<T>

All Implemented Interfaces:

ExpressionAsStep, ExpressionCastStep, Token

public class SubQueryExpression<T>
extends PreparedExpression

Represent a subquery expression. Queryman.asSubQuery(select("price")); // (SELECT price) Queryman.asSubQuery(select("max(price)")).as("max"); // (SELECT price) AS max

Field Summary

Fields inherited from class org.queryman.builder.token.AbstractToken

name

Fields inherited from class org.queryman.builder.token.Expression

outputName

Fields inherited from class org.queryman.builder.token.PreparedExpression

value

Constructor Summary

Constructors

Constructor	Description
SubQueryExpression(Query query)

Method Summary

Modifier and Type	Method	Description
void	bind(java.util.Map map)
java.lang.String	getPlaceholder()	Returns a placeholder to use in SQL string.
Query	getQuery()
java.lang.Object	getValue()
protected java.lang.String	prepareName()

Methods inherited from class org.queryman.builder.token.AbstractToken

isEmpty, isNonEmpty, toString

Methods inherited from class org.queryman.builder.token.Expression

as, as, cast, getCastExpression, getName, toPostgreSQLString

Methods inherited from class java.lang.Object

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

Constructor Detail

SubQueryExpression

public SubQueryExpression(Query query)

Method Detail

prepareName

protected java.lang.String prepareName()

Specified by:

prepareName in class Expression

Returns:

a string representation of query

getQuery

public Query getQuery()

getPlaceholder

public java.lang.String getPlaceholder()

Description copied from class: PreparedExpression

Returns a placeholder to use in SQL string.

Overrides:

getPlaceholder in class PreparedExpression

Returns:

a placeholder

getValue

public java.lang.Object getValue()

Specified by:

getValue in class PreparedExpression

Returns:

value of prepared expression

bind

public void bind(java.util.Map map)

Specified by:

bind in class PreparedExpression