Re: Some array semantics issues

On Wed, Nov 16, 2005 at 03:03:53PM -0500, Greg Stark wrote:
>
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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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