On 17.01.24 10:03, Jeevan Chalke wrote:
> I added unary '+' and '-' support as well and thus thought of having
> separate rules altogether rather than folding those in.
>
> Per SQL standard, the precision and scale arguments are unsigned
> integers, so unary plus and minus signs are not supported. So my patch
> removes that support, but I didn't adjust the regression tests for that.
>
>
> However, PostgreSQL numeric casting does support a negative scale. Here
> is an example:
>
> # select '12345'::numeric(4,-2);
> numeric
> ---------
> 12300
> (1 row)
>
> And thus thought of supporting those.
> Do we want this JSON item method to behave differently here?
Ok, it would make sense to support this in SQL/JSON as well.
> I will merge them all into one and will try to keep them in the order
> specified in sql_features.txt.
> However, for documentation, it makes more sense to keep them in logical
> order than the alphabetical one. What are your views on this?
The documentation can be in a different order.