On 2013-11-21 14:40:36 -0800, Jeff Janes wrote: > But if the transaction would not have otherwise generated WAL (i.e. a > select that did not have to do any HOT pruning, or an update with zero rows > matching the where condition), doesn't it now have to flush and wait when > it would otherwise not?
We short circuit that if there's no xid assigned. Check RecordTransactionCommit(). Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
