How about this:
Let's call your current table tab.
Insert into a table with the same shape as your table tab called 'lfd'.
Create an index on table lfd on fields lname, fname, workdate.
Delete from lfd where lfd.lname = tab.lname and lfd.fname = tab.fname
and lfd.workdata = tab.workdate
Insert into tab select * from lfd
Or something like that. SQL*Server has something called
IGNORE_DUPLICATES. It is the only database I recall that has that
feature.
> -----Original Message-----
> From: Ron St-Pierre [mailto:rstpierre@syscor.com]
> Sent: Monday, December 22, 2003 3:48 PM
> To: pgsql-general@postgresql.org
> Subject: [GENERAL] COPY - Ignore Problems
>
>
> I wish to insert data into a table from a very large text
> file (from a
> cron script) using COPY. However if the lName (TEXT), fName(TEXT),
> workDate(DATE) already exist I don't want to insert data and
> just want
> to move onto the next record. Is there any way I can tell my bash
> script/COPY to ignore the case where the unique constraint exists
> (lName,fName,workDate), and move on to the next record?
>
> ps 7.4, debian stable
> TIA
> Ron
>
>
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