Package org.hibernate.dialect.function

Class LocatePositionEmulation

java.lang.Object

org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

org.hibernate.dialect.function.LocatePositionEmulation

All Implemented Interfaces:

SqmFunctionDescriptor

public class LocatePositionEmulation
extends AbstractSqmFunctionDescriptor

Emulates the ANSI SQL-standard position() function using locate().

Constructor Summary

Constructors

Constructor	Description
LocatePositionEmulation(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.
String	getArgumentListSignature()

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

generateAggregateSqmExpression, generateOrderedSetAggregateSqmExpression, generateSqmAggregateFunctionExpression, generateSqmExpression, generateSqmOrderedSetAggregateFunctionExpression, generateSqmWindowFunctionExpression, generateWindowSqmExpression, 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, isPredicate

Constructor Details

LocatePositionEmulation

public LocatePositionEmulation(TypeConfiguration typeConfiguration)

Method Details

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

getArgumentListSignature

public String getArgumentListSignature()

Overrides:

getArgumentListSignature in class AbstractSqmFunctionDescriptor