Hi,
During the investigation of
http://archives.postgresql.org/message-id/CAL_0b1t%3DWuM6roO8dki%3Dw8DhH8P8whhohbPjReymmQUrOcNT2A%40mail.gmail.com
I noticed that during HS we do the following in
RecordKnownAssignedTransactionIds:
if (TransactionIdFollows(xid, latestObservedXid))
On 30 March 2013 18:20, Andres Freund and...@2ndquadrant.com wrote:
Simon, do you remember why you added that?
That doesn't look like code I added, but I'll look some more.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training Services
On 30 March 2013 18:20, Andres Freund and...@2ndquadrant.com wrote:
Imo this shouldn't be needed.
In principle, I think your premise looks correct. ExtendCLOG() is not needed.
If the xid truly is known assigned at a point in time, then the clog
should already have been extended to allow that.
Simon Riggs si...@2ndquadrant.com writes:
On 30 March 2013 18:20, Andres Freund and...@2ndquadrant.com wrote:
Imo this shouldn't be needed.
In principle, I think your premise looks correct. ExtendCLOG() is not needed.
If the xid truly is known assigned at a point in time, then the clog
On 2013-03-30 18:24:44 -0400, Tom Lane wrote:
Simon Riggs si...@2ndquadrant.com writes:
On 30 March 2013 18:20, Andres Freund and...@2ndquadrant.com wrote:
Imo this shouldn't be needed.
In principle, I think your premise looks correct. ExtendCLOG() is not
needed.
If the xid truly
On 2013-03-30 23:58:26 +0100, Andres Freund wrote:
I am pretty sure that the scenario you describe happens for SUBTRANS
tho. Leading to the reported bug.
For a slightly too long explanation see:
http://archives.postgresql.org/message-id/20130330172144.GI28736%40alap2.anarazel.de
Greetings,