> 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

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