Kate F <[EMAIL PROTECTED]> writes:
> ... OF takes a list of types; it needs parentheses:

Oh, right, minor detail.

> Meanwhile, I still think the function David proposed is a worthy
> addition (and I still have a user-case for it!), as using just the OF
> operator for something similar, one would have to explictly test
> against every type required.

Um, but what would you do differently with an OID result?  The nice
thing about the SQL-spec syntax is that it avoids depending on anything
so implementation-specific as a pg_type OID.  So if it covers the
territory then I'd be inclined to go that way.  What useful
functionality does it lack?

                        regards, tom lane

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