=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java	2014-09-09 12:20:09 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java	2014-09-10 14:53:21 +0000
@@ -730,6 +730,7 @@
         executeSql( "update expression set missingvaluestrategy = 'SKIP_IF_ANY_VALUE_MISSING' where nullifblank = true or nullifblank is null" );
         executeSql( "update expression set missingvaluestrategy = 'NEVER_SKIP' where nullifblank = false" );
         executeSql( "alter table expression alter column missingvaluestrategy set not null" );
+        executeSql( "alter table expression drop column nullifblank" );
 
         upgradeDataValuesWithAttributeOptionCombo();
         upgradeCompleteDataSetRegistrationsWithAttributeOptionCombo();