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f68f1192

Commit f68f1192 authored 22 years ago by Tom Lane

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Tighten selection of equality and ordering operators for grouping

operations: make sure we use operators that are compatible, as determined
by a mergejoin link in pg_operator.  Also, add code to planner to ensure
we don't try to use hashed grouping when the grouping operators aren't
marked hashable.

parent 851a4c48

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Changes 8

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src/backend/commands/analyze.c 3 additions, 9 deletions

src/backend/commands/analyze.c
src/backend/executor/nodeAgg.c 3 additions, 8 deletions

src/backend/executor/nodeAgg.c
src/backend/executor/nodeGroup.c 2 additions, 6 deletions

src/backend/executor/nodeGroup.c
src/backend/optimizer/plan/planner.c 36 additions, 2 deletions

src/backend/optimizer/plan/planner.c
src/backend/parser/parse_clause.c 5 additions, 6 deletions

src/backend/parser/parse_clause.c
src/backend/parser/parse_oper.c 105 additions, 33 deletions

src/backend/parser/parse_oper.c
src/backend/utils/adt/ri_triggers.c 2 additions, 7 deletions

src/backend/utils/adt/ri_triggers.c
src/include/parser/parse_oper.h 9 additions, 8 deletions

src/include/parser/parse_oper.h

with 165 additions and 79 deletions

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