On 2019-Apr-18, Michael Paquier wrote: > Fujii-san has sent me a report offline about REINDEX. And since 9.6, > trying to REINDEX directly an index of pg_class fails lamentably on an > assertion failure (mbsync failure if bypassing the assert):
Hmm, yeah, I ran into this crash too, more than a year ago, but I don't recall what came out of the investigation, and my search-fu is failing me. I'll have a look at my previous laptop's drive ... -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services