Re: Proposed Query Planner TODO items

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От markw@osdl.org
Тема Re: Proposed Query Planner TODO items
Дата
Msg-id 200402162341.i1GNfDE15442@mail.osdl.org
обсуждение исходный текст
Ответ на Re: Proposed Query Planner TODO items  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 16 Feb, Tom Lane wrote:
> markw@osdl.org writes:
>> It looks like we have indexes on all of the date columns except
>> l_commitdate, which appears to be in Q4.
> 
>> So I think I'll run against the CVS tip as is, again with an index on
>> l_commitdate, and then another test to confirm your theory.  Sound good?
> 
> Sure, it's only cycles ;-).  I am not certain that an index on
> commitdate would help any, but it's worth trying.

http://developer.osdl.org/markw/dbt3-pgsql/70/

Those are results from a pull from CVS I did this morning.
I reverted Q4 (removed the CAST), but the extra WHERE constraints are
still in Q21.

Mark


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