Re: Function Column Expansion Causes Inserts To Fail - Mailing list pgsql-general

From Tom Lane
Subject Re: Function Column Expansion Causes Inserts To Fail
Date
Msg-id 29723.1306873695@sss.pgh.pa.us
Whole thread Raw
In response to Re: Function Column Expansion Causes Inserts To Fail  (Merlin Moncure <mmoncure@gmail.com>)
Responses Re: Function Column Expansion Causes Inserts To Fail  (Merlin Moncure <mmoncure@gmail.com>)
List pgsql-general
Merlin Moncure <mmoncure@gmail.com> writes:
> There have been multiple complaints about this in the archives.  In
> the old days, you would have to rewrite your query to use the 'select
> * from func()' form (which isn't always so easy) or use a subquery and
> the 'offset 0' hack.  Running in to this problem has actually become
> more common as our type system has gotten fancier and plpgsql got the
> ability to be called with the column list, aka select func(), syntax.

> The community has had to endure multiple sanctimonious rants about
> this by yours truly.  Unfortunately complaints are cheap relative to
> the hard work and consensus building it would require to fix this
> problem.

FWIW, the SQL-standard LATERAL construct would fix the problem
reasonably well, and that is on the roadmap already.

            regards, tom lane

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