On Tue, Jan 3, 2012 at 1:24 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Um ... you're supposing that only DDL uses SnapshotNow, which is wrong. > I refer you to the parser, the planner, execution functions for arrays, > records, enums, any sort of relcache reload, etc etc etc. Yes, some > of that is masked by backend-internal caching, some of the time, but > it's folly to just assume that there are no SnapshotNow scans during > normal queries.
Hmm. That's unfortunate, because it seems difficult to construct a test case that will exercise every feature in the system. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
