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execQual.c

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    • Tom Lane's avatar
      be09bc9f
      Modify nodeAgg.c so that no rows are returned for a GROUP BY · be09bc9f
      Tom Lane authored 
      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...
      be09bc9f
      History
      Modify nodeAgg.c so that no rows are returned for a GROUP BY
      Tom Lane authored 
      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...