Tom Lane wrote:
It looks like you have a stale plan for that ON DELETE SET NULL constraint. Was there perhaps an index on operator_id that you removed? Postgres is not very good about flushing cached plans when you change table schemas (something I hope will be fixed in 8.3). If that is the problem, starting a fresh session would be enough to take care of it. regards, tom lane
Thanks Tom. You were, as usual, correct!
