[Ideas] IN clause in Aggregates

Hi,

I've run into this a few times.

I would like to have the ability to do a simple query with an IN clause, without having to rely on advanced queries.

It should accept a list of <myTable> Identifier.

Today we do ( from an aggregate perspective):

   SELECT * FROM {TASKS} WHERE id = 1 or id = 2 or id = 3

But it would be really awesome if we could do 

  SELECT * FROM {Tasks} WHERE id in (1,2,3) 

This allows us to do some pretty cool stuff with Lists setc ( eg you can now shim some of the more advanced sql functionality without writing advanced queries).

An example would be:

    myList = SELECT id from People WHERE OrganisationId = 2
    SELECT * FROM {Tasks} WHERE personId = myList

Which would be 2 actions, and somewhat faster/cleaner than the current way  

• Writing an advanced query ( frowned up by my companies' best practices guide - and I've also found advanced queries tend to be annoying to manage )
• Looping through myList and putting the outputs into another list, which is then passed around (this also has a few nasties - lots of DB hits (albeit small ones), and refreshing this with paging is a pain