Hi :)
What could be the reason that following query works fine with "asc"
ordering and not with "desc" ???
Query query = pm.newQuery(Purchase.class);
query.setFilter("groupname == groupnameParameter");
query.declareParameters("String groupnameParameter");
query.setOrdering("date asc");
in the log of the gae i read the following exception when i run the
code with descending ordering :
com.google.appengine.api.datastore.DatastoreNeedIndexException: no
matching index found.. <datastore-index kind="Purchase"
ancestor="false" source="manual">
<property name="groupname" direction="asc"/>
<property name="date" direction="desc"/>
</datastore-index>
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