On Wed, Dec 7, 2022 at 10:20:09AM +0800, qihua wu wrote:
> Per the following link: https://www.sobyte.net/post/2022-08/postgres-snapshot/
> To get a snapshot we need to know xmin, xmax and xip. my question is why do we
> need them? Since every tuple in a page has t_xmin and t_xmax based on the pag
Per the following link:
https://www.sobyte.net/post/2022-08/postgres-snapshot/
To get a snapshot we need to know xmin, xmax and xip. my question is why do
we need them? Since every tuple in a page has t_xmin and t_xmax based on
the page layout(
https://www.postgresql.org/docs/current/storage-page-l
