Re: Index Tuning Features
| От | Tom Lane |
|---|---|
| Тема | Re: Index Tuning Features |
| Дата | |
| Msg-id | 14250.1160522109@sss.pgh.pa.us обсуждение |
| Ответ на | Re: Index Tuning Features (Robert Treat <xzilla@users.sourceforge.net>) |
| Ответы |
Re: Index Tuning Features
|
| Список | pgsql-hackers |
Robert Treat <xzilla@users.sourceforge.net> writes:
> Anything that can be done to wheedle down your choices
> before you have to run EXPLAIN ANALYZE is a bonus.
Fair enough, but I prefer Peter's suggestion of attaching the
hypothetical index definitions to EXPLAIN itself, rather than making
bogus catalog entries. Something along the line of
EXPLAIN <statement>
ASSUMING INDEX fooi ON foo ....
[ ASSUMING INDEX ... ]
although this exact syntax probably doesn't work unless we're willing
to make ASSUMING a fully reserved word :-(
I have some vague recollection that this idea has been discussed
before...
regards, tom lane
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