| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Marko Tiikkaja <marko(at)joh(dot)to>, Ryan Pedela <rpedela(at)datalanche(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Ilya Ashchepkov <koctep(at)gmail(dot)com> |
| Subject: | Re: jsonb concatenate operator's semantics seem questionable |
| Date: | 2015-05-22 19:27:40 |
| Message-ID: | CAM3SWZS5r46S=JyO1M6pggvPBL_z74y2uMv=NbTpfA2HmtK17Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, May 22, 2015 at 11:59 AM, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
> As for raising an error, in principle it's doable, but the code to detect it
> might get messy. Also, I don't want a huge number of knobs. So I'm excited
> about the idea.
I think that that's a bad default behavior, although I don't think
that's what Jim means. Consider our experience with having subscript
operators throw errors -- it complicates certain cases (my complaint
at the time was about expression indexes, but there are others).
--
Peter Geoghegan
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