pgsql: Save a few cycles in EXPLAIN and related commands by not

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Save a few cycles in EXPLAIN and related commands by not
Date: 2009-07-23 21:27:10
Message-ID: 20090723212710.8174475331E@cvs.postgresql.org
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Log Message:
-----------
Save a few cycles in EXPLAIN and related commands by not bothering to form
a physical tuple in do_tup_output(). A virtual tuple is easier to set up
and also easier for most tuple receivers to process. Per my comment on
Robert Haas' recent patch in this code.

Modified Files:
--------------
pgsql/src/backend/executor:
execTuples.c (r1.108 -> r1.109)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/execTuples.c?r1=1.108&r2=1.109)

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