Re: BUG #13862: Duplicated rows for a table with primary key

HI David,

For us the problem occurred in postgresql 9.1.2  and in release notes for
9.1.3 found below  link:

pgsql: Fix CLUSTER/VACUUM FULL for toast values owned byrecently-updat

So can you please confirm if the primary key violation is due the bug
mentioned in the above  fix.?
If you need any other information  ,other than screen shot please let me
know.


Thanks& Regards
Krishna Chaitanya




From:   "David G. Johnston" <david.g.johnston@gmail.com>
To:     y.chaitanya@tcs.com
Cc:     "pgsql-bugs@postgresql.org" <pgsql-bugs@postgresql.org>
Date:   14-01-16 08:53 PM
Subject:        Re: [BUGS] BUG #13862: Duplicated rows for a table with
primary key



On Thu, Jan 14, 2016 at 5:18 AM, <y.chaitanya@tcs.com> wrote:


From:        Y Chaitanya/CHN/TCS
To:        "David G. Johnston" <david.g.johnston@gmail.com>
Cc:        "pgsql-bugs@postgresql.org" <pgsql-bugs@postgresql.org>
Date:        14-01-16 04:27 PM
Subject:        Re: [BUGS] BUG #13862: Duplicated rows for a table with
primary key


HI David,
Thanks for the reply,

Yes  I agree that it is old version, But can you let us know if there are
any old bugs that violates the primary key.


This is why we have release notes.

If nothing there gives you a clue then the two screenshots you've provided
are insufficient diagnostic - though they do indeed show that at some
point you had a problem.

A simple action to take is to remove all duplicates and then reindex.  It
may be simple corruption at hand.  It happens - usually due to hardware
issues.

David J.

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