Re: Some array semantics issues
| От | David Fetter |
|---|---|
| Тема | Re: Some array semantics issues |
| Дата | |
| Msg-id | 20051116210805.GA22353@fetter.org обсуждение исходный текст |
| Ответ на | Re: Some array semantics issues (Greg Stark <gsstark@mit.edu>) |
| Ответы |
Re: Some array semantics issues
|
| Список | pgsql-hackers |
On Wed, Nov 16, 2005 at 03:03:53PM -0500, Greg Stark wrote:
>
> Tom Lane <tgl@sss.pgh.pa.us> writes:
>
> > I could go for a separate operator that has the current behavior
> > (might as well ignore number of dimensions too, if we're going to
> > ignore bounds). Any thoughts about the operator name?
>
> Well to me these are two different cases. At least the way I see it
> {1,2} is a list of two numbers, and {{1,2,},{3,4}} is a list of two
> lists. They aren't the same and they don't even contain the same
> thing.
Right.
> It occurs to me that it would also make sense to have an operator
> that considered the arrays in an order-insensitive comparison.
That sounds more like the SQL:2003 MULTISET, which is essentially
unordered. Any plans for these?
Cheers,
D
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