HHH-18364 Fix for Informix function locate() error

Author: VladoKuruc

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java

@@ -330,7 +330,9 @@ public void initializeFunctionRegistry(FunctionContributions functionContributio
 		functionFactory.monthsBetween();
 		functionFactory.stddev();
 		functionFactory.variance();
-		functionFactory.locate_positionSubstring();
+		if ( getVersion().isSameOrAfter( 12 ) ) {
+			functionFactory.locate_charindex();
+		}
 
 		//coalesce() and nullif() both supported since Informix 12
 

hibernate-core/src/test/java/org/hibernate/orm/test/hql/ASTParserLoadingTest.java

@@ -11,6 +11,7 @@
 import org.hibernate.ScrollableResults;
 import org.hibernate.TypeMismatchException;
 import org.hibernate.cfg.Environment;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.community.dialect.DerbyDialect;
 import org.hibernate.dialect.CockroachDialect;
 import org.hibernate.dialect.DB2Dialect;
@@ -3642,15 +3643,17 @@ public void testEJBQLFunctions(SessionFactoryScope scope) {
 					hql = "select length(a.description) from Animal a";
 					session.createQuery( hql ).list();
 
-					//note: postgres and db2 don't have a 3-arg form, it gets transformed to 2-args
-					hql = "from Animal a where locate('abc', a.description, 2) = 2";
-					session.createQuery( hql ).list();
+					if ( !( getDialect() instanceof InformixDialect && getDialect().getVersion().isBefore( 12 ) ) ) {
+			//note: postgres and db2 don't have a 3-arg form, it gets transformed to 2-args
+			hql = "from Animal a where locate('abc', a.description, 2) = 2";
+			session.createQuery( hql ).list();
 
-					hql = "from Animal a where locate('abc', a.description) = 2";
-					session.createQuery( hql ).list();
+			hql = "from Animal a where locate('abc', a.description) = 2";
+			session.createQuery( hql ).list();
 
-					hql = "select locate('cat', a.description, 2) from Animal a";
-					session.createQuery( hql ).list();
+			hql = "select locate('cat', a.description, 2) from Animal a";
+			session.createQuery( hql ).list();
+		}
 
 					if ( !(session.getDialect() instanceof DB2Dialect) ) {
 						hql = "from Animal a where trim(trailing '_' from a.description) = 'cat'";