Thanks Scott and Tom.
Yes.  I know, I know that I need to upgrade :-)
What would be the newer version of pgsql (I mean a bit higher version of my 
current version) that provides that capability of telling me what the 
duplicated key was ?

Migration is always a challenge, especially I'm not sure if I will have any 
unexpected hiccups when I dump my whole DB. I also need to upgrade the OS.  My 
first priority is to get this problem fixed so that my users will stop IM, 
email or call me. 

Mary



-----Original Message-----
From: Tom Lane [mailto:t...@sss.pgh.pa.us] 
Sent: Wednesday, February 03, 2010 2:21 PM
To: Scott Marlowe
Cc: Wang, Mary Y; pgsql-general@postgresql.org
Subject: Re: [GENERAL] PQendcopy:resetting connection Problem and Cannot insert 
a duplicate key into unique index 

Scott Marlowe <scott.marl...@gmail.com> writes:
> On Wed, Feb 3, 2010 at 2:16 PM, Wang, Mary Y <mary.y.w...@boeing.com> wrote:
>> I still couldn't find that particular line that caused that problem :-(.  
>> Counting was very pain.
>> Is there anyway that I can tell psql just to "ignore" (I mean don't insert 
>> it duplicate key into unique index users_pkey) and just keep going without 
>> doing the PQendcopy:resetting connection?

> Not really directly.  What I'd do is remove the unique constraint, 
> insert, then use something like

> select max(row_id) from table t1 join table t2 on 
> t1.somefield=t2.somefield and t1.row_id<>r2.row_id;

> to find dupes and remove them.

> Then I'd dump the whole db and migrate to a more modern version of pgsql.

If you were using a more modern version of pgsql, it would tell you what the 
duplicated key was ;-).  So maybe you could try loading the dump file into 
something newer as a means of debugging the problem.

                        regards, tom lane

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