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Re: Implicit casts with generic arrays

From: "Zeugswetter Andreas ADI SD" <ZeugswetterA(at)spardat(dot)at>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>,"Peter Eisentraut" <peter_e(at)gmx(dot)net>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Implicit casts with generic arrays
Date: 2007-06-06 07:36:41
Message-ID: (view raw, whole thread or download thread mbox)
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.


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