I have added this thread as a link on the TODO list under TODO.detail. I know folks are working on this for 8.1 but now they can get the discussions all in one place.
--------------------------------------------------------------------------- Heikki Linnakangas wrote: > I've been very slowly continuing my work on two-phase commits for a couple > months now, and I now have my original patch updated so that it applies to > the current CVS tip, with some improvements. > > The patch introduces three new commands, PREPCOMMIT, COMMITPREPARED and > ABORTPREPARED. > > To start a 2PC transaction, you first do a BEGIN and your updates as > usual. At the end of the transaction, you call PREPCOMMIT 'foobar' instead > of COMMIT. Now the transaction is in prepared state, ready to commit at a > later time. 'foobar' is the global transaction identifier assigned for the > transaction. > > Later, when you want to finish the second phase, you call > COMMITPREPARED 'foobar'; > > There is a system view pg_prepared_xacts that gives you all transactions > that are in prepared state waiting for COMMITPREPARED or ABORTPREPARED. > > I have also done some work on XA-enabling the JDBC drivers, now that we > have what it takes in the server side. I have succesfully executed > 2PC transactions with JBossMQ and Postgres, using JBoss as the > transaction manager, so the basic stuff seems to be working. > > Please have a look and comment, the patches can be found here: > http://www.iki.fi/hlinnaka/pgsql/ > > What is the schedule for 7.5? Any chance of getting this in? > > - Heikki > > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to [EMAIL PROTECTED] so that your > message can get through to the mailing list cleanly > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
