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aggregatecmds.c

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    • Tom Lane's avatar
      108fe473
      Aggregate functions now support multiple input arguments. I also took · 108fe473
      Tom Lane authored 
      the opportunity to treat COUNT(*) as a zero-argument aggregate instead
of the old hack that equated it to COUNT(1); this is materially cleaner
(no more weird ANYOID cases) and ought to be at least a tiny bit faster.
Original patch by Sergey Koposov; review, documentation, simple regression
tests, pg_dump and psql support by moi.
      108fe473
      History
      Aggregate functions now support multiple input arguments. I also took
      Tom Lane authored 
      the opportunity to treat COUNT(*) as a zero-argument aggregate instead
of the old hack that equated it to COUNT(1); this is materially cleaner
(no more weird ANYOID cases) and ought to be at least a tiny bit faster.
Original patch by Sergey Koposov; review, documentation, simple regression
tests, pg_dump and psql support by moi.