Richard Huxton <dev@xxxxxxxxxxxx> writes: > Yep - I'm guessing it's an issue with an array (group membership?) in > pg_user. No, I'll bet lunch that Alvaro fingered the correct culprit: either addition or subtraction of that darn hierarchical-query patch. It changes the on-disk representation of view rules in a way that produces exactly this failure mode. One of the disadvantages of open source is that you can't prevent people from breaking your software :-( regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq