org.hibernate.dialect.function

Class StandardAnsiSqlAggregationFunctions.CountFunction

java.lang.Object

org.hibernate.dialect.function.StandardSQLFunction

org.hibernate.dialect.function.StandardAnsiSqlAggregationFunctions.CountFunction

All Implemented Interfaces:

SQLFunction

Enclosing class:

StandardAnsiSqlAggregationFunctions

public static class StandardAnsiSqlAggregationFunctions.CountFunction
extends StandardSQLFunction

Definition of a standard ANSI SQL compliant COUNT function

Field Summary

Fields

Modifier and Type	Field and Description
static StandardAnsiSqlAggregationFunctions.CountFunction	INSTANCE Singleton access

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CountFunction()

Method Summary

Modifier and Type	Method and Description
String	render(Type firstArgumentType, List arguments, SessionFactoryImplementor factory) Render the function call as SQL fragment.

Methods inherited from class org.hibernate.dialect.function.StandardSQLFunction

getName, getRenderedName, getReturnType, getType, hasArguments, hasParenthesesIfNoArguments, toString

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final StandardAnsiSqlAggregationFunctions.CountFunction INSTANCE

Singleton access

Constructor Detail

CountFunction

protected CountFunction()

Method Detail

render

public String render(Type firstArgumentType,
                     List arguments,
                     SessionFactoryImplementor factory)

Description copied from interface: SQLFunction

Render the function call as SQL fragment.

Note, the 'firstArgumentType' parameter should match the one passed into SQLFunction.getReturnType(org.hibernate.type.Type, org.hibernate.engine.spi.Mapping)

Specified by:

render in interface SQLFunction

Overrides:

render in class StandardSQLFunction

Parameters:

firstArgumentType - The type of the first argument

arguments - The function arguments

factory - The SessionFactory

Returns:

The rendered function call