Class SpannerPostgreSQLTruncFunction

java.lang.Object

org.hibernate.query.sqm.function.AbstractSqmFunctionDescriptor

org.hibernate.dialect.function.TruncFunction

org.hibernate.dialect.function.PostgreSQLTruncFunction

org.hibernate.dialect.function.SpannerPostgreSQLTruncFunction

All Implemented Interfaces:

SqmFunctionDescriptor

public class SpannerPostgreSQLTruncFunction
extends PostgreSQLTruncFunction

Spanner-specific TruncFunction that extends PostgreSQLTruncFunction to handle both numeric and datetime truncation, reusing PostgreSQL logic where applicable.

Nested Class Summary

Nested classes/interfaces inherited from class TruncFunction

TruncFunction.DatetimeTrunc, TruncFunction.TruncArgumentsValidator, TruncFunction.TruncRenderingSupport

Field Summary

Fields inherited from class TruncFunction

datetimeRenderingSupport, numericRenderingSupport

Constructor Summary

Constructors

Constructor	Description
SpannerPostgreSQLTruncFunction(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 AbstractSqmFunctionDescriptor

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

Methods inherited from class Object

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

Methods inherited from interface SqmFunctionDescriptor

alwaysIncludesParentheses, generateSqmExpression, generateSqmExpression, getFunctionKind, isPredicate

Constructor Details

SpannerPostgreSQLTruncFunction

public SpannerPostgreSQLTruncFunction(TypeConfiguration typeConfiguration)

Method Details

generateSqmFunctionExpression

protected <T> SelfRenderingSqmFunction<T> generateSqmFunctionExpression(List<? extends SqmTypedNode<?>> arguments,
 @Nullable
 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 PostgreSQLTruncFunction

Parameters:

arguments - the arguments of the function invocation

impliedResultType - the function return type as inferred from its usage