Re: Implicit casts with generic arrays
Zeugswetter Andreas DCP SD <zeugswettera@spardat.at>
From: "Zeugswetter Andreas ADI SD" <ZeugswetterA@spardat.at>
To: "Tom Lane" <tgl@sss.pgh.pa.us>, "Peter Eisentraut" <peter_e@gmx.net>
Cc: <pgsql-hackers@postgresql.org>
Date: 2007-06-06T07:36:41Z
Lists: pgsql-hackers
> For example in 8.2 this is mapped to array_prepend:
>
> regression=# select 'x'::text || array['aa','bb','cc'];
> ?column?
> --------------
> {x,aa,bb,cc}
> (1 row)
>
> but with the experimental code you get textcat:
>
> catany=# select 'x'::text || array['aa','bb','cc'];
> ?column?
> -------------
> x{aa,bb,cc}
> (1 row)
This is what I would have expected || to give, and not what 8.2 does.
So disregarding the rest of the argument I think that array_[pre|ap]pend
should have other operators.
Andreas