Copy to a staging table without the constraint and then write a query to consolidate/remove the duplicate data and insert the clean data into the final table. It doesn't just give a warning because not importing a record from the source data should be a fatal error since it means you have a design mis-match surrounding your import procedure. David J. On Dec 19, 2011, at 1:54, Yan Chunlu <springrider@xxxxxxxxx> wrote: > I am using COPY public.table_name FROM STDIN to import data. it is > very efficient, but if there's any duplicate key exists, the whole > procedure has been stopped. is there anyway to around this? > > why does not postgresql just give a warning and continue the copy? > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general