Modify nodeAgg.c so that no rows are returned for a GROUP BY

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with no input rows, per pghackers discussions around 7/22/99.  Clean up
a bunch of ugly coding while at it; remove redundant re-lookup of
aggregate info at start of each new GROUP.  Arrange to pfree intermediate
values when they are pass-by-ref types, so that aggregates on pass-by-ref
types no longer eat memory.  This takes care of a couple of TODO items...

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This commit is contained in:

Tom Lane

1999-09-26 21:21:15 +00:00

parent 40f6524161

commit be09bc9ff2

4 changed files with 450 additions and 414 deletions

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793

src/backend/executor/nodeAgg.c

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