Hi,
I have a cloned repository of postgres and I want to compile the source for
*REL_10_BETA1* alone.
Following are the steps I am planning to do,
-> git checkout -b rel10beta1 REL_10_BETA1 (and verifying current branch is
newly created one)
-> Execute ./configure --prefix=/opt/PostgreSQL/10beta
Thanks, Jeff. That helps understanding it 50%.
*Session 2* fails to UPDATE the record which is in *(0,2)* and this tuple is
marked for deletion. It means that *(0,2) never exists* when Session 2 is
trying to perform the update.
In that case, how *Session 3's new row (0,4)* contains the xmax as *
On Sat, Jul 1, 2017 at 6:32 PM, rajan wrote:
> hello,
>
> thanks for replies, Adrian, Steven.
>
> >So calling it can advance the xid manually. Some testing here showed
> >that what xmin or xmax is created depends on when you call txid_current
> >in either the original session or the concurrent se
hello,
thanks for replies, Adrian, Steven.
>So calling it can advance the xid manually. Some testing here showed
>that what xmin or xmax is created depends on when you call txid_current
>in either the original session or the concurrent sessions.
I understand this and I am executing my stateme
this chapter introduces mvcc
http://www.interdb.jp/pg/pgsql05.html
原始訊息 自： rajan 日期： 2017/7/1 14:32
(GMT+08:00) 至： pgsql-general@postgresql.org 主旨： [GENERAL] have trouble
understanding xmin and xmax with update operations from two different sessions
have trouble understandi
On 06/30/2017 11:32 PM, rajan wrote:
have trouble understanding xmin and xmax with update operations from two
different sessions
So, as found below, Session2 is trying to update a row which is already
updated with a different value and it's update fails with *UPDATE 0*
But from Session3, I see
On Sat, Jul 1, 2017 at 10:05 AM, Adrian Klaver
wrote:
> On 06/30/2017 09:42 PM, Steven Chang wrote:
>
>> Uh...we also met duplicate rows with primary key column through
>> restoring database by pg_basebackup.
>> H.
>> I don't think its an issue with primary key index
On 06/30/2017 09:42 PM, Steven Chang wrote:
Uh...we also met duplicate rows with primary key column through
restoring database by pg_basebackup.
H.
I don't think its an issue with primary key index corruption.
That is interesting, more information would be helpful
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