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Re: track_activity_query_size note

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Magnus Hagander <magnus(at)hagander(dot)net>
Cc: Thom Brown <thom(at)linux(dot)com>, pgsql-docs <pgsql-docs(at)postgresql(dot)org>
Subject: Re: track_activity_query_size note
Date: 2012-05-24 14:19:10
Message-ID: 19344.1337869150@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-docs
Magnus Hagander <magnus(at)hagander(dot)net> writes:
> On Thu, May 24, 2012 at 2:59 PM, Thom Brown <thom(at)linux(dot)com> wrote:
>>> I attach a proposed change to the docs which points out that if the
>>> size of track_activity_query_size is changed and the is server
>>> restarted, it won't have any effect if query statistics are already
>>> present.

> Ah, suddenly it makes sense.

> And in that case yes, the docs changes should go under
> pg_stat_statements, I believe.

But surely the statement is flat out wrong; or if it's not wrong,
there's a bug somewhere.  We do not absorb the value of
track_activity_query_size from the stats file.

			regards, tom lane

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