Hi Adrian, Only sequences (id) reset to 1. Regards, Max -----Original Message----- From: Adrian Klaver [mailto:adrian.klaver@xxxxxxxxxxx] Sent: Monday, 1 May 2017 11:30 PM To: Max Wang <mwang@xxxxxxxxxxxxx>; pgsql-general@xxxxxxxxxxxxxx Subject: Re: all serial type was changed to 1 On 04/30/2017 10:51 PM, Max Wang wrote: > Hi All, > > > > We have a PostgreSQL database. There are 26 tables and we use serial > type as primary key. We had a insert error as "duplicate key value > violates unique constraint, DETAIL: Key (id)=(1) already exists." one > weeks ago. I checked and found all tables' id were reset to 1. So to be clear: Every row in each of the 26 tables has an id of 1? or Do you mean the sequences where reset to 1? > > > > I checked database log and did not find any useful information. I am > not sure why this happen. The only script which connect to this > database is a Python script and only do normal insert/update/delete actions. > > > > Please give me some suggestions if you happen to know something about > this issue. I appreciate any feedback you might have. > > > > I am very new to PostgreSQL and this mail list. Please let me know if > I did not something wrong. > > > > Thank you. > > > > Regards, > > Max > -- Adrian Klaver adrian.klaver@xxxxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
