pgsql/src/backend/optimizer/path (clausesel.c)

From: Tom Lane <tgl>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/optimizer/path (clausesel.c)
Date: 2000-05-31 15:38:53
Message-ID: 200005311538.LAA49183@hub.org
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Date: Wednesday, May 31, 2000 @ 11:38:53
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer/path
from hub.org:/home/projects/pgsql/tmp/cvs-serv49177

Modified Files:
clausesel.c

----------------------------- Log Message -----------------------------

Tweak recognition of range-clause pairs so that 'var > $1 AND var < $2'
(ie, parameters instead of consts) will be treated as a range query.
We do not know the actual selectivities involved, but it seems like
a good idea to use a smaller estimate than we would use for two unrelated
inequalities.

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