On 2013-11-13 Wed 06:34 AM |, Adrian Klaver wrote:
>
> http://www.postgresql.org/docs/9.3/interactive/sql-createfunction.html
> "
> Notes
>
> The full SQL type syntax is allowed for input arguments and return
> value. However, some details of the type specification (e.g., the
> precision field for type numeric) are the responsibility of the
> underlying function implementation and are silently swallowed (i.e.,
> not recognized or enforced) by the CREATE FUNCTION command.
> "
>
That's rather vague..... "... some details ..."
An explicit table of datatype & what's "silently swallowed" would be
valuable to clarify this topic that's said to be often repeatedly asked.
Cheers,
--
Craig Skinner | http://twitter.com/Craig_Skinner | http://linkd.in/yGqkv7
