=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/EventQueryParams.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/EventQueryParams.java	2014-03-26 09:25:45 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/EventQueryParams.java	2014-04-20 20:56:55 +0000
@@ -146,9 +146,8 @@
         
         for ( QueryItem item : items )
         {
-            if ( !existingObjects.contains( item.getItem() ) )
+            if ( existingObjects.add( item.getItem() ) )
             {
-                existingObjects.add( item.getItem() );
                 uniqueItems.add( item );
             }
         }

=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java	2014-04-19 10:55:51 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/event/data/JdbcEventAnalyticsManager.java	2014-04-20 20:56:55 +0000
@@ -162,7 +162,7 @@
                 grid.addValue( dimensionValue );
             }
             
-            for ( QueryItem queryItem : params.getItems() )
+            for ( QueryItem queryItem : params.getUniqueItems() )
             {
                 String itemValue = rowSet.getString( queryItem.getItem().getUid() );                
                 grid.addValue( itemValue );
@@ -311,7 +311,7 @@
         {
             sql += statementBuilder.columnQuote( dimension.getDimensionName() ) + ",";
         }
-        
+                
         for ( QueryItem queryItem : params.getUniqueItems() )
         {
             IdentifiableObject item = queryItem.getItem();