Jeremy Finzel wrote: > UPDATE: what is actually failing is a call to > pg_xact_commit_timestamp(xmin) on a given table under the view. We still > think we must have some corruption though with pg_commit_ts. This is not a valid query, because the xmin may belong to a frozen tuple. pg_commit_ts does not keep data forever; old files are removed. Anything older than datfrozenxid could return that error. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services