Re: Performance on large, append-only tables

On Feb 10, 2012, at 11:26 AM, Claudio Freire wrote:
> That, and an index on "(group_id, created_at) where (deleted_at IS
> NULL)" to catch the sorted by date kind of query, and you'll be done I
> think.

Yeah, I didn't quite get that right -- we're actually sorting all these queries by "id DESC", not "created_at DESC", so
thatseems to obviate the need for any index on created_at.  

Dave