Also keep in mind that the system doesn't always retain the typmod. So the
datum should be possible to interpret without the typmod. Incidental
effects such as length limits or precision displayed are ok but the meaning
shouldn't be changed.
--
greg
On 24 Feb 2014 20:34, "Tom Lane" wrote:
> Al
Alvaro Herrera writes:
> Bruce Momjian escribió:
>> Well, typmods are type-specific, so there is no official way to
>> calculate it. I would look at how an existing type uses typmod and copy
>> that.
> Our system is pretty neat. See a complex example here:
> https://github.com/postgis/postgis/b
Bruce Momjian escribió:
> On Sun, Feb 23, 2014 at 07:50:08AM +0330, Mohsen SM wrote:
> > Hello.
> > I have a new type similar to varchar.
> > I want to fine how did I can to calculate typemod
> > and where must I calculate typemod for this type.
>
> Well, typmods are type-specific, so there is no
On Sun, Feb 23, 2014 at 07:50:08AM +0330, Mohsen SM wrote:
> Hello.
> I have a new type similar to varchar.
> I want to fine how did I can to calculate typemod
> and where must I calculate typemod for this type.
Well, typmods are type-specific, so there is no official way to
calculate it. I would
