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3d09f6c5

Commit 3d09f6c5 authored 21 years ago by Tom Lane

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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.

parent b8001962

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src/backend/optimizer/path/costsize.c 33 additions, 1 deletion

src/backend/optimizer/path/costsize.c
src/backend/optimizer/plan/createplan.c 16 additions, 3 deletions

src/backend/optimizer/plan/createplan.c
src/backend/optimizer/util/pathnode.c 2 additions, 4 deletions

src/backend/optimizer/util/pathnode.c
src/include/optimizer/cost.h 2 additions, 1 deletion

src/include/optimizer/cost.h

with 53 additions and 9 deletions

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