2010/12/14 Tom Lane <t...@sss.pgh.pa.us>:
> Robert Haas <robertmh...@gmail.com> writes:
>> On Tue, Dec 14, 2010 at 11:51 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>>> If the element values all have to be the same type, you've
>>> basically got hstore.
>
>> Not exactly, because in hstore all the element values have to be,
>> specifically, text.  Having hstores of other kinds of objects would,
>> presumably, be useful.
>
> Maybe, but I'm sure they'd have far less application than hstore.
> There's a reason why that's based on text and not some other type ...
>

I don't think. For example - numeric array indexed with string is
often use case. Now you have to use a PLperl hashs.

Pavel

>                        regards, tom lane
>

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