donia zheni wrote:
> And if it's defined with "typedef", must all operations be defined also
> in C or can some functions be defined with plpgsql?
If you want a new data type that's only accessible using functions and
operators defined to operate on it, you must write it in C.
If you wanted to u
Dear all,
I have a question concerning "an extension of Postresql/PostGIS with a
spatio-temporal Abstract data type".
PostgreSQL have many types
categories : base types, composite types, domains, etc...
I would like to extend PostGIS type system with a new abstract
data type.
This means th