The following bug has been logged online: Bug reference: 4463 Logged by: zhengzhong_zhou Email address: [EMAIL PROTECTED] PostgreSQL version: 8.3.4 Operating system: centos 5.2 x64 Description: unique constraint error Details:
i create a table : tbl_test (col1 varchar(100),col2 smallint,col3 varchar(10)); constraint : uk_col1_col2 (col1,col2) data : col1 | col2 | col3 ------+------+------ yes | 6 | okk yes | 7 | okk yes | 8 | okk (3 rows) bugs : db_oversea=> update tbl_test set col2=(col2+1) where col3='okk'; ERROR: duplicate key value violates unique constraint "uk_col1_col2"; -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs