Re: REINDEX slow?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Edmund Dengler <edmundd(at)eSentire(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: REINDEX slow?
Date: 2004-04-12 03:34:18
Message-ID: 28843.1081740858@sss.pgh.pa.us
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Edmund Dengler <edmundd(at)eSentire(dot)com> writes:
> Question: Does a REINDEX use the old version to build
> the new version, or is it the semantic equivalent to "drop index; build
> new index".

The latter.

> If the second, any particular reason

REINDEX is customarily used to recover from a corrupted-index situation.

regards, tom lane

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