Ühel kenal päeval, T, 2006-07-11 kell 17:34, kirjutas Thomas Hallgren:
> Josh Berkus wrote:
> > Tom,
> >
> >> IOW pljava is (already) bigger than the other four PLs put together.
> >
> > That is odd. Thomas?
> >
> It's not that odd really:
>
> 1. the mapping is strongly typed, i.e. each scalar type in PostgreSQL
> has a set of functions that maps it to the correct primitive in Java
> (int4 is a java int, double precision is a double etc.). PL/Java will
> resort to string coercion only when no other option is left.
> 2. a type mapping is provided for *all* types. Scalar, composite,
> pseudo, array types, and result sets.
> 3. new Java mappings can be created on the fly. Both for scalar and
> composite types.
> 4. you can create new scalar types in PostgreSQL that uses IO functions
> written in Java.
Maybe this functionality could be lifted out of PL/Java and made
available to all PL-s ?
At least at some API level.
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