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HHH-3404 regexp on Informix #10796

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Merged
merged 1 commit into from
Aug 20, 2025
Merged

HHH-3404 regexp on Informix #10796

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8 changes: 8 additions & 0 deletions ...ate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java
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Original file line number Diff line number Diff line change
Expand Up @@ -367,6 +367,8 @@ public void initializeFunctionRegistry(FunctionContributions functionContributio
final TypeConfiguration typeConfiguration = functionContributions.getTypeConfiguration();
final BasicType<String> stringBasicType =
typeConfiguration.getBasicTypeRegistry().resolve( StandardBasicTypes.STRING );
final BasicType<Boolean> booleanBasicType =
typeConfiguration.getBasicTypeRegistry().resolve( StandardBasicTypes.BOOLEAN );

functionRegistry.registerAlternateKey( "var_samp", "variance" );

Expand Down Expand Up @@ -408,6 +410,12 @@ public void initializeFunctionRegistry(FunctionContributions functionContributio
// parameter arguments to trim() require a cast
functionContributions.getFunctionRegistry().register( "trim",
new TrimFunction( this, typeConfiguration, SqlAstNodeRenderingMode.NO_UNTYPED ) );

//TODO: emulate support for the 'i' flag argument
functionRegistry.namedDescriptorBuilder( "regexp_like", "regex_match" )
.setParameterTypes( STRING, STRING )
.setInvariantType( booleanBasicType )
.register();
}

@Override
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1 change: 0 additions & 1 deletion hibernate-core/src/main/java/org/hibernate/dialect/function/CommonFunctionFactory.java
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Expand Up @@ -2671,7 +2671,6 @@ public void regexpLike() {
.setParameterTypes( STRING, STRING, STRING )
.setInvariantType( booleanType )
.register();

}

/**
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3 changes: 3 additions & 0 deletions hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/RegexTest.java
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Expand Up @@ -4,6 +4,7 @@
*/
package org.hibernate.orm.test.query.hql;

import org.hibernate.community.dialect.InformixDialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.MariaDBDialect;
import org.hibernate.dialect.OracleDialect;
Expand Down Expand Up @@ -41,6 +42,8 @@ void testInSelect(EntityManagerFactoryScope scope) {
reason = "regexp_like coming in 2025")
@SkipForDialect(dialectClass = SybaseASEDialect.class,
reason = "no regex support in Sybase ASE")
@SkipForDialect(dialectClass = InformixDialect.class,
reason = "This could be made to work on Informix by changing the flags")
void testInSelectCaseInsensitive(EntityManagerFactoryScope scope) {
if ( !( scope.getDialect() instanceof OracleDialect dialect
&& ( dialect.isAutonomous() || dialect.getVersion().isBefore( 23 ) ) ) ) {
Expand Down