--- Tom Lane <[EMAIL PROTECTED]> wrote: > A simple answer is to have T1 grab an ACCESS > EXCLUSIVE lock on some > table to block T2's progress. If that locks out > third-party > transactions that you'd rather would go through, you > can probably use > a lesser form of lock --- but then both T1 and T2 > will have to cooperate > since each will need to explicitly take a lock.
- Is there a possibility of having a lock that similar to a row level ACCESS EXCLUSIVE (i.e. ROW ACCESS EXCLUSIVE lock) in the future release of PostgreSQL? The ACCESS EXCLUSIVE lock also locks the rows not used in T1, making concurrent transactions almost impossible. regards, ludwig __________________________________________________ Do you Yahoo!? New DSL Internet Access from SBC & Yahoo! http://sbc.yahoo.com ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])