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Re: WIP patch for multiple column assignment in UPDATE - Mailing list pgsql-hackers

From Pavel Stehule
Subject Re: WIP patch for multiple column assignment in UPDATE
Date
Msg-id CAFj8pRCjZ_6mu_kMKRD8oe8KKPnbNOwCTUBxY2nL=2-HDH2zDQ@mail.gmail.com
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In response to Re: WIP patch for multiple column assignment in UPDATE  (Tom Lane <tgl@sss.pgh.pa.us>)
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2014-06-19 15:37 GMT+02:00 Tom Lane <tgl@sss.pgh.pa.us>:
Pavel Stehule <pavel.stehule@gmail.com> writes:
> I did some tests and It looks so it allows only some form of nested loop.

[ shrug... ]  It's a subplan.  One evaluation per outer row is what
people are expecting.

ok

regards

Pavel

                        regards, tom lane

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