2010/12/14 Tom Lane <tgl@sss.pgh.pa.us>:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Tue, Dec 14, 2010 at 11:51 AM, Tom Lane <tgl@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 ...
Sure. You can smash anything to a string, and it's often a very
practical way to go, though not always.
I am not necessarily expressing any interest in building such a
facility, just pointing one way that it might hypothetically have an
advantage over hstore. Whether it's worth pursuing is another
question.
--
Robert Haas
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