Hi, This patch implements the following TODO item:
Allow COPY in CSV mode to control whether a quoted zero-length
string is treated as NULL
Currently this is always treated as a zero-length string,
which generates an error when loading into an integer column
Re: [PATCHES] allow CSV quote in NULL
http://archives.postgresql.org/pgsql-hackers/2007-07/msg00905.php
http://wiki.postgresql.org/wiki/Todo#COPY
I had a very definite use-case for this functionality recently while importing
CSV files generated by Oracle, and was somewhat frustrated by the existence
of a FORCE_NOT_NULL option for specific columns, but not one for
FORCE_NULL.
I'll add this to the November commitfest.
Regards
Ian Barwick
copy-force-null-v1.patch
Description: Binary data
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