Raphael Bauduin <rblists@xxxxxxxxx> writes: > I have narrowed it a bit. It happens when I create said index on an empty > field. Here's the scenario to reproduce it: Thanks, I've reproduced the problem here. The query still seems to run OK, it's just EXPLAIN that's falling over --- do you see the same? regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general