On Tue, Jul 21, 2015 at 9:59 AM, Michael Paquier <michael.paqu...@gmail.com> wrote: > On Tue, Jul 21, 2015 at 6:54 AM, Vignesh Raghunathan > <vignesh.pg...@gmail.com> wrote: >> Hello, >> >> It has been mentioned in Section 63.6 that the first two fields in >> PageHeaderData track the most recent WAL entry related to the page. However, >> I am not sure how pd_checksum is related to WAL. Could it be possible that >> the sentence has been carried over from previous versions of the >> documentations without considering the change to the second field in >> PageHeaderData? > > Yes, the documentation is mistaken. The two bytes of pd_tli have been > switched to pd_checksum in 9.3, hence only the first field is relevant > for WAL, aka pd_lsn. Looking at this portion of the docs I think that > it should be updated as attached, mentioning pd_checksum as well.
Also the type of pd_lsn in the Table 63-3 should be PageXLogRecPtr. Regards, -- Fujii Masao -- Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs
