[GENERAL] Possible to ignore transactions > n?

2005-06-08 Thread John Barham
Is is possible to tell PostgreSQL to ignore transactions committed after some point? In particular I want to get it to "rollback" a faulty recovery. On a related note, how can I get the most recent transaction id from the WAL segment that I want to rollback to? TIA, J

[GENERAL] Recovery when old WAL segment has been overwritten?

2005-06-07 Thread John Barham
ata that was written between May 28 and yesterday morning? John Barham ---(end of broadcast)--- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])

[GENERAL] Why sequential scan for currval?

2005-04-27 Thread John Barham
test=# create table tt (id serial unique, s varchar); [populate tt w/ 10 rows] test=# insert into tt (s) values ('foo'); test=# select currval('tt_id_seq'); currval - 12 (1 row) test=# explain select s from tt where id = 12; QUERY PLAN ---

Re: [GENERAL] Why sequential scan for currval?

2005-04-27 Thread John Barham
> test=# explain select s from tt where id = currval('tt_id_key'); > QUERY PLAN > -- > Seq Scan on tt (cost=0.00..1734.42 rows=1 width=32) >Filter: (id = currval('tt_id_key'::text)) > (2 rows) should be: test=# explai