for (final Long queryGroupId : groups) {
AggregatedGroupMapping groupMapping = this.aggregatedGroupDao.getGroupMapping(queryGroupId);
for (final Long tabId : tabs) {
AggregatedTabMapping tabMapping = this.aggregatedTabLookupDao.getTabMapping(tabId);
final TabRenderAggregationDiscriminator mapping =
new TabRenderAggregationDiscriminatorImpl(groupMapping, tabMapping);
//Create the set the aggregations for this report column will be stored in, sorted chronologically
final SortedSet<TabRenderAggregation> aggregations =
new TreeSet<TabRenderAggregation>(BaseAggregationDateTimeComparator.INSTANCE);
//Map the group to the set