David Fetter <david(at)fetter(dot)org> writes:
> I'm looking to the SQL WITH clause as a way to get better regex
> support in PostgreSQL. I've been chatting a little bit about this,
> and here's an idea for a behavior. Implementation details TBD.
> WITH res = match (x.foo, '([0-9]+)x([0-9]+)')
> SELECT *
> FROM x
> WHERE y = res[2]
> OR y = res[3];
This doesn't seem to be even remotely compatible with SQL99's idea
of WITH.
regards, tom lane