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Re: 'update returning *' returns 0 columns instead of empty row with 2 columns when (i) no rows updated and (ii) when applied to a partitioned table with sub-partition - Mailing list pgsql-bugs

From Tom Lane
Subject Re: 'update returning *' returns 0 columns instead of empty row with 2 columns when (i) no rows updated and (ii) when applied to a partitioned table with sub-partition
Date
Msg-id 3381.1550810593@sss.pgh.pa.us
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In response to Re: 'update returning *' returns 0 columns instead of empty row with2 columns when (i) no rows updated and (ii) when applied to a partitionedtable with sub-partition  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
Responses Re: 'update returning *' returns 0 columns instead of empty row with2 columns when (i) no rows updated and (ii) when applied to a partitionedtable with sub-partition
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Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> writes:
> Also, I noticed regression test failure having to do with statement
> triggers not firing, which makes sense, as there's no ModifyTable to
> invoke them.

Oh!  You are right, that's a separate bug.  So really we can't have
this fast-path exit at all, we should produce a ModifyTable node in
every case.

I'm too tired to work on that anymore today, do you want to run
with it?

            regards, tom lane

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