pgsql-server/src backend/optimizer/path/costsi ...

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src backend/optimizer/path/costsi ...
Date: 2003-07-14 22:35:54
Message-ID: 20030714223554.89154CC1DB@svr1.postgresql.org
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CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 03/07/14 19:35:54

Modified files:
src/backend/optimizer/path: costsize.c
src/backend/optimizer/plan: createplan.c
src/backend/optimizer/util: pathnode.c
src/include/optimizer: cost.h

Log message:
Make cost estimates for SubqueryScan more realistic: charge cpu_tuple_cost
for each row processed, and don't forget the evaluation cost of any
restriction clauses attached to the node. Per discussion with Greg Stark.

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