Re: Select performance vs. mssql

Michael Stone wrote:

> On Tue, May 24, 2005 at 04:35:14PM -0700, Josh Berkus wrote:
>
>> Pretty much. There has been discussion about allowing index-only
>> access to "frozen" tables, i.e. archive partitions. But it all sort
>> of hinges on someone implementing it and testing ....
>
>
> Is there any way to expose the planner estimate? For some purposes it's
> enough to just give a rough ballpark (e.g., a google-esque "results 1-10
> of approximately 10000000") so a user knows whether its worth even
> starting to page through.
>
> Mike Stone
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster

Well, you could always do:

EXPLAIN SELECT ...

And then parse out the rows= in the first line.

John
=:->