Update hibernate-core/src/main/java/org/hibernate/dialect/function/OrdinalFunction.java

Co-authored-by: Christian Beikov <[email protected]>

Author: lucamolteni

hibernate-core/src/main/java/org/hibernate/dialect/function/OrdinalFunction.java

@@ -66,7 +66,8 @@ else if ( argumentType.isString() || argumentType.isEnum() ) {
 			EnumJavaType<?> enumJavaType = (EnumJavaType<?>) singleJdbcMapping.getMappedJavaType();
 			Object[] enumConstants = enumJavaType.getJavaTypeClass().getEnumConstants();
 
-			sqlAppender.appendSql( "case" );
+			sqlAppender.appendSql( "case " );
+			singleExpression.accept( walker );
 			for ( Object e : enumConstants ) {
 				Enum<?> enumValue = (Enum<?>) e;
 				sqlAppender.appendSql( format( " when %s = ", columnNameExpression ) );