redhat0320 writes:
> I don't like this syntax:
> SELECT * FROM t1 LEFT JOIN t2 ON (t1.num = t2.num);
Sorry. But this syntax is standard, it's more powerful, and less
ambiguous.
> I don't know how to write a join procedure.
You can't implement new join semantics using user-defined functions.
--
Peter Eisentraut peter_e(at)gmx(dot)net