Dear Everybody!
In MS we had a "persistent lock" structure and method.
This over transactions because based on real records in a real table with pri key (tablename + id).
For garbaging we had a special session info.
In MS the session id is smallint, so it can repeats after server restarts, but my coll. found a "session creation timestamp".
This is a key which unique.
With this we can check for died sessions and we can clean their records.
We want create same mechanism.
I know there are adv. locks in PG, but I want to use session id.
This could be:
pg_backend_pid()
May pid repeats.
Where I can get timestamp or some other unique data with I can create a combined primary key?
Thanks for your help!
dd