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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Jaime Casanova <jcasanov@systemguards.com.ec>
Cc: decibel <decibel@decibel.org>
Cc: psql performance list <pgsql-performance@postgresql.org>
Subject: Re: [PERFORMANCE] work_mem vs temp files issue
Date: Wed, 13 Jan 2010 11:53:31 -0500
Message-ID: <14395.1263401611@sss.pgh.pa.us> (raw)
In-Reply-To: <603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com>
References: <3073cc9b0908191745o3dc63d95q6b9308ef5bd199f2@mail.gmail.com>
	<603c8f071001111107v75276375g4d626dfc0efd8dc4@mail.gmail.com>
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	<18803.1263241120@sss.pgh.pa.us>
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	<603c8f071001130723v634cb3c3u1604ea69efb04e91@mail.gmail.com>
	<10990.1263397358@sss.pgh.pa.us>
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	<603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com>

Robert Haas <robertmhaas@gmail.com> writes:
> Yeah.  My question is whether it's acceptable to add an extra line to
> the EXPLAIN output for every hash join, even w/o ANALYZE.

We could add it if either VERBOSE or ANALYZE appears.  Not sure if
that's just too much concern for backwards compatibility, though.

			regards, tom lane



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