Is the from field nullable? If not, try "create index calllogs_from on
calllogs ( from );" and then do an explain analyze of your query.
Gavin
Chris Cheston wrote:
>ok i just vacuumed it and it's taking slightly longer now to execute
>(only about 8 ms longer, to around 701 ms).
>
>Not using indexes for calllogs(from)... should I? The values for
>calllogs(from) are not unique (sorry if I'm misunderstanding your
>point).
>
>Thanks,
>
>Chris
>
>On Tue, 29 Jun 2004 16:21:01 +0800, Christopher Kings-Lynne
><chriskl@familyhealth.com.au> wrote:
>
>
>>>live=# explain analyze SELECT id FROM calllogs WHERE from = 'you';
>>> QUERY PLAN
>>>----------------------------------------------------------------------------------------------------------
>>> Seq Scan on calllogs (cost=0.00..136.11 rows=24 width=4) (actual
>>>time=0.30..574.72 rows=143485 loops=1)
>>> Filter: (from = 'you'::character varying)
>>> Total runtime: 676.24 msec
>>>(3 rows)
>>>
>>>
>>Have you got an index on calllogs(from)?
>>
>>Have you vacuumed and analyzed that table recently?
>>
>>Chris
>>
>>
>>
>>
>
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