Postgres Pro
Downloads
Home   >   mailing lists

Re: Index Scans become Seq Scans after VACUUM ANALYSE - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Index Scans become Seq Scans after VACUUM ANALYSE
Date
Msg-id 16514.1018968117@sss.pgh.pa.us
Whole thread Raw
In response to Index Scans become Seq Scans after VACUUM ANALYSE  (Louis-David Mitterrand <vindex@apartia.org>)
Responses Re: Index Scans become Seq Scans after VACUUM ANALYSE
List pgsql-hackers
Tree view 
Louis-David Mitterrand <vindex@apartia.org> writes:
> While trying to optimise a query I found that running VACUUM ANALYSE
> changed all the Index Scans to Seq Scans and that the only way to revert
> to Index Scans was the add "enable_seqscan = 0" in postgresql.conf.

EXPLAIN ANALYZE output would be more interesting than just EXPLAIN.
Also, what does the pg_stats view show for these tables?
        regards, tom lane

pgsql-hackers by date:

Previous
From: "Marc G. Fournier"
Date:
Subject: Re: [GENERAL] Testers needed ...
Next
From: Dragos Manzateanu
Date:
Subject: date_in function