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8d3c4aa6

Commit 8d3c4aa6 authored 15 years ago by Tom Lane

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Fix an oversight in join-removal optimization: we have to check not only for

plain Vars that are generated in the inner rel and used above the join, but
also for PlaceHolderVars.  Per report from Oleg K.

parent ecac5e6b

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src/backend/optimizer/path/joinpath.c 17 additions, 2 deletions

src/backend/optimizer/path/joinpath.c
src/test/regress/expected/join.out 49 additions, 0 deletions

src/test/regress/expected/join.out
src/test/regress/sql/join.sql 23 additions, 0 deletions

src/test/regress/sql/join.sql

with 89 additions and 2 deletions

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