Re: Segfault on ANALYZE in SERIALIZABLE isolation

Andres Freund <andres@anarazel.de> writes:
> Not quite - that was about the DML callbacks, this is about the scan itself. And while we have a snapshot allocated,
theanalyze version of the beginscan intentionally doesn't take a snapshot. 

Uh, what?  That's a *huge* regression.  See, eg, 7170268ef.  We
really want ANALYZE to act as though it's reading a normal MVCC
snapshot.

            regards, tom lane