org.hibernate.dialect.function

Class StandardAnsiSqlAggregationFunctions.SumFunction

java.lang.Object

org.hibernate.dialect.function.StandardSQLFunction

org.hibernate.dialect.function.StandardAnsiSqlAggregationFunctions.SumFunction

All Implemented Interfaces:

SQLFunction

Enclosing class:

StandardAnsiSqlAggregationFunctions

public static class StandardAnsiSqlAggregationFunctions.SumFunction
extends StandardSQLFunction

Definition of a standard ANSI SQL compliant SUM function

Field Summary

Fields

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SumFunction()

Method Summary

Modifier and Type	Method and Description
protected int	determineJdbcTypeCode(Type type, Mapping mapping)
Type	getReturnType(Type firstArgumentType, Mapping mapping) The return type of the function.

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

getName, getType, hasArguments, hasParenthesesIfNoArguments, render, 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.SumFunction INSTANCE

Singleton access

Constructor Detail

SumFunction

protected SumFunction()

Method Detail

getReturnType

public Type getReturnType(Type firstArgumentType,
                          Mapping mapping)

Description copied from interface: SQLFunction

The return type of the function. May be either a concrete type which is preset, or variable depending upon the type of the first function argument.

Note, the 'firstArgumentType' parameter should match the one passed into SQLFunction.render(org.hibernate.type.Type, java.util.List, org.hibernate.engine.spi.SessionFactoryImplementor)

Specified by:

getReturnType in interface SQLFunction

Overrides:

getReturnType in class StandardSQLFunction

Parameters:

firstArgumentType - The type of the first argument

mapping - The mapping source.

Returns:

The type to be expected as a return.

determineJdbcTypeCode

protected final int determineJdbcTypeCode(Type type,
                                          Mapping mapping)
                                   throws QueryException

Throws:

QueryException