Package org.hibernate.dialect.function

Class TruncFunction

java.lang.Object

org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

org.hibernate.dialect.function.TruncFunction

All Implemented Interfaces:

SqmFunctionDescriptor

Direct Known Subclasses:

OracleTruncFunction, PostgreSQLTruncFunction, SqlServerConvertTruncFunction, SybaseTruncFunction

public class TruncFunction
extends AbstractSqmFunctionDescriptor

Custom function that manages both numeric and datetime truncation

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TruncFunction.DatetimeTrunc
protected static class	TruncFunction.TruncArgumentsValidator
protected static class	TruncFunction.TruncRenderingSupport

Field Summary

Fields

Modifier and Type	Field	Description
protected TruncFunction.TruncRenderingSupport	datetimeRenderingSupport
protected TruncFunction.TruncRenderingSupport	numericRenderingSupport

Constructor Summary

Constructors

Constructor	Description
TruncFunction(String truncPattern, String twoArgTruncPattern, TruncFunction.DatetimeTrunc datetimeTrunc, String toDateFunction, TypeConfiguration typeConfiguration)

Method Summary

Modifier and Type	Method	Description
protected <T> SelfRenderingSqmFunction<T>	generateSqmFunctionExpression(List<? extends SqmTypedNode<?>> arguments, ReturnableType<T> impliedResultType, QueryEngine queryEngine)	Return an SQM node or subtree representing an invocation of this function with the given arguments.

Methods inherited from class org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

generateAggregateSqmExpression, generateOrderedSetAggregateSqmExpression, generateSqmAggregateFunctionExpression, generateSqmExpression, generateSqmOrderedSetAggregateFunctionExpression, generateSqmWindowFunctionExpression, generateWindowSqmExpression, getArgumentListSignature, getArgumentsValidator, getArgumentTypeResolver, getName, getReturnSignature, getReturnTypeResolver, getSignature

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.query.sqm.function.SqmFunctionDescriptor

alwaysIncludesParentheses, generateSqmExpression, generateSqmExpression, getFunctionKind

Field Detail

numericRenderingSupport

protected final TruncFunction.TruncRenderingSupport numericRenderingSupport

datetimeRenderingSupport

protected final TruncFunction.TruncRenderingSupport datetimeRenderingSupport

Constructor Detail

TruncFunction

public TruncFunction(String truncPattern,
                     String twoArgTruncPattern,
                     TruncFunction.DatetimeTrunc datetimeTrunc,
                     String toDateFunction,
                     TypeConfiguration typeConfiguration)

Method Detail

generateSqmFunctionExpression

protected <T> SelfRenderingSqmFunction<T> generateSqmFunctionExpression(List<? extends SqmTypedNode<?>> arguments,
                                                                        ReturnableType<T> impliedResultType,
                                                                        QueryEngine queryEngine)

Description copied from class: AbstractSqmFunctionDescriptor

Return an SQM node or subtree representing an invocation of this function with the given arguments. This method may be overridden in the case of function descriptors that wish to customize creation of the node.

Specified by:

generateSqmFunctionExpression in class AbstractSqmFunctionDescriptor

Parameters:

arguments - the arguments of the function invocation

impliedResultType - the function return type as inferred from its usage