Re: [despammed] copy from file and overwrite existing entries?

am 27.06.2005, um 16:33:59 +0200 mailte Mattes Sarcander folgendes:
> Hi,
> I am really new to database administration, so forgive me if I overlook
> something obvious ;>
>
> I want to import data from a csv file into an existing, non-empty table.
> My problem is the fact that I get an "ERROR: duplicate key violates
> unique constraint", because, as psql correctly grumbles, some entries
> are already inside the tables. I would like to overwrite these existing
> entries, as the data from the csv files is newer.

I suggest, use a separate import-table to copy the file in this table.
After you can work with usual SQL to delete old Records in the
destination table and insert the new records.

Regards, Andreas
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Andreas Kretschmer (Kontakt: siehe Header)
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