"David Roussel" <pgsql-performance@diroussel.xsmail.com> writes:
> Note there is no reference to iso_pjm_data_update_events_event_id_key
> which is the index that went wacky on us. Does that seem weird to you?
What that says is that that index doesn't belong to that table. You
sure it wasn't a chance coincidence of names that made you think it did?
regards, tom lane