[dataimport] test for a value is in a set and insertion in a set should live together
also inline some methods on the way, in the hope to make the public api clearer
at some point, and only put valuable values in those sets so we don't have to
endlessly test for consistency.
.. -*- coding: utf-8 -*-RSS Channel-----------Assuming you have several blog entries, click on the title of thesearch box in the left column. A larger search box should appear. Enter:: Any X ORDERBY D WHERE X is BlogEntry, X creation_date Dand you get a list of blog entries.Click on your login at the top right corner. Chose "user preferences",then "boxes", then "possible views box" and check "visible = yes"before validating your changes.Enter the same query in the search box and you will see the same list,plus a box titled "possible views" in the left column. Click on"entityview", then "RSS". You just applied the "RSS" view to the RQL selection you requested.That's it, you have a RSS channel for your blog.Try again with:: Any X ORDERBY D WHERE X is BlogEntry, X creation_date D, X entry_of B, B title "MyLife"Another RSS channel, but a bit more focused.A last one for the road:: Any C ORDERBY D WHERE C is Comment, C creation_date D LIMIT 15displayed with the RSS view, that's a channel for the last fifteencomments posted.[WRITE ME]* show that the RSS view can be used to display an ordered selection of blog entries, thus providing a RSS channel* show that a different selection (by category) means a different channel