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
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