OPENJPA-269 Updating InformixDBDictionary

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@551263 13f79535-47bb-0310-9956-ffa450edef68

openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/InformixDictionary.java

@@ -131,6 +131,11 @@ public class InformixDictionary
         // schema name in reflection on columns and tables
         supportsSchemaForGetColumns = false;
         supportsSchemaForGetTables = false;
+
+        // Informix doesn't support aliases in deletes if the table has an index
+        allowsAliasInBulkClause = false;
+        
+        supportsSubselect = false;
     }
 
     public void connectedConfiguration(Connection conn)