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Save a few cycles in EXPLAIN and related commands by not bothering to form

author Tom Lane <tgl@sss.pgh.pa.us>

2009年7月23日 21:27:10 +0000 (21:27 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

2009年7月23日 21:27:10 +0000 (21:27 +0000)

commit adfa04293b34ac188c94ca81230348282687d3e9

tree 4069bbb1b6fe1600989b7ebea0b1e65c0ca60150 tree

parent 6a0865e4bbf678516e7f2530a163857cd51ca676 commit | diff

Save a few cycles in EXPLAIN and related commands by not bothering to form
a physical tuple in do_tup_output(). A virtual tuple is easier to set up
and also easier for most tuple receivers to process. Per my comment on
Robert Haas' recent patch in this code.

src/backend/executor/execTuples.c diff | blob | blame | history

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