pgsql/src/backend/optimizer/path costsize.c

Started by Tom Laneabout 25 years ago1 messagescomitters
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#1Tom Lane
tgl@sss.pgh.pa.us

CVSROOT: /home/projects/pgsql/cvsroot
Module name: pgsql
Changes by: tgl@hub.org 01/04/25 18:04:38

Modified files:
src/backend/optimizer/path: costsize.c

Log message:
Tweak nestloop costing to weight restart cost of inner path more heavily.
Without this, it was making some pretty silly decisions about whether an
expensive sub-SELECT should be the inner or outer side of a join...