Package org.hibernate.dialect.function

Class StringFunction

java.lang.Object

org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor

org.hibernate.dialect.function.StringFunction

All Implemented Interfaces:

FunctionRenderer, SqmFunctionDescriptor

public class StringFunction
extends AbstractSqmSelfRenderingFunctionDescriptor

The HQL string() function returns the string value of an enum

For enum fields mapped as STRING or ENUM it's a synonym for cast(x as String). Same as CastStrEmulation. For enum fields mapped as ORDINAL it's a case statement that returns the bane if enum.

Constructor Summary

Constructors

Constructor	Description
StringFunction(TypeConfiguration typeConfiguration)

Method Summary

Modifier and Type	Method	Description
String	getArgumentListSignature()
void	render(SqlAppender sqlAppender, List<? extends SqlAstNode> arguments, ReturnableType<?> returnType, SqlAstTranslator<?> walker)

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

filterClauseSupported, generateSqmAggregateFunctionExpression, generateSqmFunctionExpression, generateSqmOrderedSetAggregateFunctionExpression, generateSqmWindowFunctionExpression, getFunctionKind

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

generateAggregateSqmExpression, generateOrderedSetAggregateSqmExpression, generateSqmExpression, 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.FunctionRenderer

render, render, render, render

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

alwaysIncludesParentheses, generateSqmExpression, generateSqmExpression, isPredicate

Constructor Details

StringFunction

public StringFunction(TypeConfiguration typeConfiguration)

Method Details

render

public void render(SqlAppender sqlAppender,
 List<? extends SqlAstNode> arguments,
 ReturnableType<?> returnType,
 SqlAstTranslator<?> walker)

Specified by:

render in interface FunctionRenderer

Overrides:

render in class AbstractSqmSelfRenderingFunctionDescriptor

getArgumentListSignature

public String getArgumentListSignature()

Overrides:

getArgumentListSignature in class AbstractSqmFunctionDescriptor