> 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

In response to

• Re: Implicit casts with generic arrays at 2007-06-05 17:02:28 from Tom Lane

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• Re: Implicit casts with generic arrays at 2007-06-06 08:17:28 from Pavel Stehule

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	Subject: Re: Implicit casts with generic arrays
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	Subject: Re: TOAST usage setting