Improve outer-join-deduction logic to be able to propagate equalities

through multiple join clauses.

Improve outer-join-deduction logic to be able to propagate equalities
through multiple join clauses.
cc9bcbc8 · Tom Lane · 76eca0ec · cc9bcbc8
Commit cc9bcbc8 authored Jul 03, 2005 by Tom Lane
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src/backend/optimizer/path/pathkeys.c src/backend/optimizer/path/pathkeys.c +202 -157

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--- a/src/backend/optimizer/path/pathkeys.c
+++ b/src/backend/optimizer/path/pathkeys.c