> On May 15, 2023, at 08:41, Fabrice Chapuis <fabrice636861@xxxxxxxxx> wrote: > What is the xid type and how can I cast integer value to make pg_xact_commit_timestamp to work? The xid type is... xid. You'll need to cast as a string instead of an integer: xof=# select pg_xact_commit_timestamp('53013547'::xid); pg_xact_commit_timestamp ------------------------------- 2023-03-31 09:12:07.673883-07 (1 row)