From: remco lengers <pgsql@lengers.com>
To: pgsql-sql@postgresql.org
Subject: ERROR: duplicate key violates unique constraint
Date: Tue, 20 Mar 2007 10:11:41 +0100
Message-ID: <32207abd0703200211l46acdab7p5a2d68d69ffc5b6c@mail.gmail.com> (raw)
Hi List,
Its been a while since I worked with databases and I am running into the
following which I have not been able to find the root cause for:
I have the follow SQL statement:
INSERT INTO reference VALUES (DEFAULT,'123','2',1);
Which generates the following error:
"ERROR: duplicate key violates unique constraint "reference_pkey""
And the table definition looks like:
CREATE TABLE reference (
referencelist_nr serial unique,
reference_text varchar(40) NOT NULL,
reference_type integer NOT NULL,
Topic_Id integer NOT NULL,
PRIMARY KEY (referencelist_nr),
FOREIGN KEY (Topic_Id) REFERENCES Topic (Topic_Id),
FOREIGN KEY (reference_type) REFERENCES reference_type (reference_type_nr)
);
It seems to me for some reason "DEFAULT" doesn't select the next SERIAL.
If I run:
INSERT INTO reference VALUES (14,'123','2',1);
14 being the next free integer it works fine.....
I have been adding data with "COPY" into this table....does that break
something?
Your help/tips/insights are appreciated.
Solaris 10/Postgresql 8.1.4
Regards,
..Remco
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Subject: Re: ERROR: duplicate key violates unique constraint
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