On 2019-Jul-10, Bruce Momjian wrote: > Uh, what if a transaction modifies page 0 and page 1 of the same table > --- don't those pages have the same LSN.
No, because WAL being a physical change log, each page gets its own WAL record with its own LSN. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services