pgsql-server/src/backend/optimizer/plan create ... - Mailing list pgsql-committers

From tgl@postgresql.org (Tom Lane)
Subject pgsql-server/src/backend/optimizer/plan create ...
Date
Msg-id 20030216060633.3426547580B@postgresql.org
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List pgsql-committers
CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@postgresql.org    03/02/16 01:06:33

Modified files:
    src/backend/optimizer/plan: createplan.c

Log message:
    Back off previous patch to skip projection step in scan plan nodes,
    in the case where the node immediately above the scan is a Hash, Sort,
    or Material node.  In these cases it's better to do the projection
    so that we don't store unneeded columns in the hash/sort/materialize
    table.  Per discussion a few days ago with Anagh Lal.


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