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Re: pg_statistic, lack of documentation

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Sergey Konoplev <gray(dot)ru(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_statistic, lack of documentation
Date: 2012-01-27 17:14:38
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Lists: pgsql-hackers
On Sat, Jan 14, 2012 at 7:34 AM, Sergey Konoplev <gray(dot)ru(at)gmail(dot)com> wrote:
> Hi,
> It specifies that entries are created by ANALYZE, but does not mention
> that if a table is empty the entry for it is not created.

The actual behavior, in somewhat more detail, is that the existing
statistics entries, if any, are retained.

I've added a note to that effect to the documentation for ANALYZE,
which seems like a more appropriate place than the pg_statistic

Robert Haas
The Enterprise PostgreSQL Company

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