On Fri, Jun 21, 2013 at 9:08 AM, bricklen <brick...@gmail.com> wrote:
> Did you try an index on (type, ts desc) ? I don't have much else to add at > this point, but maybe after posting some more server and table (parent and > child) details someone will have an answer for you. > No, this is exactly what I was missing. I had forgotten the default index order is useless for a descending lookup like this: I made the change and the performance is 3000x better (the plan's using the index now). Thanks for all your help.
