Alvaro Herrera wrote: > Hm, I think I see what's happening. The xl_brin_update record > references two buffers, one which is target for the updated tuple and > another which is the revmap buffer. When the update target buffer is > being first used we set the INIT bit which removes the buffer reference > from the xlog record; in that case, if the revmap buffer is first being > modified after the prior checkpoint, that revmap buffer receives backup > block number 0; but the code hardcodes it as 1 on the expectation that > the buffer that's target for the update will receive 0. The attached > patch should fix this.
Pushed, thanks for the report. -- Álvaro Herrera 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