On Mon, Nov 6, 2017 at 3:26 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Alvaro Herrera <alvherre@xxxxxxxxxxxxxx> writes: >> Luca Ferrari wrote: >>> Why is xmin greater than the current transaction id (and most notably >>> not "fixed")? > >> Something is using subtransactions there. My first guess would be that >> there are triggers with EXCEPTION blocks, but your example doesn't show >> any. Or maybe you have event triggers. > > I can reproduce the example if I "\set ON_ERROR_ROLLBACK on" in psql. > Shame on me, I did forgot to have enabled that in my ~/.psqlrc file (and did not hit an error within the transaction block to see it was aborting). And in fact, the manual page for psql reports that ON_ERROR_ROLLBACK: The error rollback mode works by issuing an implicit SAVEPOINT for you, just before each command that is in a transaction block, and then rolling back to the savepoint if the command fails. Sorry for the noise. Thanks, Luca -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general