On Tuesday, 10. April 2001 14:17, Amanda Riera wrote:
> I would like empty fields from a file being recognised as NULL
> values. It doesn't seem to work when a COPY is done, but when I make
> an INSERT without
> specifying the value, this is recognised as a NULL
>
> The file I want to copy is:
>
> ,0,Unknown,01/01/3000,01/01/3000,01/01/3000,0,
> 1,3,,01/01/3000,01/01/3000,01/01/3000,0,
> 2,,Unknown,01/01/3000,01/01/3000,01/01/3000,0,
>
> What I am doing is:
>
> COPY bill FROM '/home/amanda/informatica/provas/bills-copy.dat' USING
> DELIMITERS ',' WITH NULL AS '\,';
Just try
COPY ... WITH NULL AS '';
HTH,
Christof
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