On Thu, Jun 3, 2010 at 7:16 PM, Mark Kirkwood <[email protected]> wrote: > Maybe I gave this guy a bad title - is it a concern that the 'width' > estimate is so far off for xml datatypes (because of no = op)? It seemed to > me that this could result in some bad plan choices (e.g in subqueries etc).
It's possible. I don't really see a reason not to add an = operator for XML - does anyone else? It would need to be done by updating src/include/catalog/pg_*.h, rather than via SQL, of course. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-bugs mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
