On 2014-07-16 20:45:15 -0300, Fabrízio de Royes Mello wrote: > > The rewrite will read in the 'old' contents - but because it's done > > after the pg_class.relpersistence is changed they'll all not be marked > > as BM_PERMANENT in memory. Then the ALTER TABLE is rolled back, > > including the relpersistence setting. Which will unfortunately leave > > pages with the wrong persistency setting in memory, right? > > > > That means should I "FlushRelationBuffers(rel)" before change the > relpersistence?
Did my explanation clarify the problem + possible solution sufficiently? 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