On Wed, 2002-12-18 at 13:16, Devinder K Rajput wrote:
> Hi,
> I am using COPY command to load a data table. When I try to
> insert a record with a duplicate key, I get the error message "cannot
> insert a duplicate key into unique index" and no data is loaded into
> the table. I know that this is the way the COPY command works. Now,
> is there a way in which I can load a table and if duplicate records do
> come up, write them to an error file, but still load the other good
> records into the table? *I think* one of accomplishing this is by
> performing inserts of individual records, but that would be very slow.
> any suggestions?
Any method of inserting records where there is a unique index will
be slow, since the index must be checked and populated.
Your idea of doing individual inserts (via C, Python or Perl) is
a valid one, for the exact reason you state, and because input
data is not always in COPY format...
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