Re: Slow Query- Simple taking

On Thu, Oct 28, 2010 at 10:39 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> Can someone tell me why after it runs the index scan it hen runs a bitmap
>> heap scan?  It should not take this long to run should it?  If I limit the
>> results it comes back in 300ms.
>
> It doesn't.  The EXPLAIN output shows it running the bitmap index scan
> first and then bitmap heap scan.  The bitmap index scan is taking 22
> ms, and the bitmap index and bitmap heap scans combined are taking 402
> ms.  The sort is then taking another 800+ ms for a total of 1325 ms.
> Any additional time is spent returning rows to the client.

Doh!  I misread your email.  You had it right, and I'm all wet.

--
Robert Haas
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