Package org.hibernate.dialect.function

Class PostgreSQLTruncFunction

java.lang.Object

org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

org.hibernate.dialect.function.TruncFunction

org.hibernate.dialect.function.PostgreSQLTruncFunction

All Implemented Interfaces:

SqmFunctionDescriptor

public class PostgreSQLTruncFunction
extends TruncFunction

Custom TruncFunction for PostgreSQL which uses the dialect-specific function for numeric truncation

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.dialect.function.TruncFunction

TruncFunction.DatetimeTrunc, TruncFunction.TruncArgumentsValidator, TruncFunction.TruncRenderingSupport

Field Summary

Fields inherited from class org.hibernate.dialect.function.TruncFunction

datetimeRenderingSupport, numericRenderingSupport

Constructor Summary

Constructors

Constructor	Description
PostgreSQLTruncFunction(boolean supportsTwoArguments, 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

Constructor Detail

PostgreSQLTruncFunction

public PostgreSQLTruncFunction(boolean supportsTwoArguments,
                               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.

Overrides:

generateSqmFunctionExpression in class TruncFunction

Parameters:

arguments - the arguments of the function invocation

impliedResultType - the function return type as inferred from its usage