At 13:08 -0500 2/26/02, Philip Mak wrote: >On Tue, Feb 26, 2002 at 12:03:25PM -0600, Paul DuBois wrote: >> >it set the integer columns to 0 if they were blank in the text file. >> >How can I make it set those to NULL instead? >> >> You'll have to preprocess the file to convert empty fields to \N. > >Damn, that's what I thought. I guess I'll have to do that for now; >thanks for the perl code. > >I think that it would have made sense for MySQL to treat empty fields >as NULL when importing into a numeric column. (Right now, the empty >field causes a warning anyway since it converts it to 0.)
An empty field is not NULL. It's an empty string. MySQL performs an implicit string-to-number conversion when loading the field, which results in a value of zero, and a warning. > >Is there a place where I can put this in as a feature request (or is >there a good reason that it shouldn't do this)? The good reason is that LOAD DATA has a convention for representing NULL, and your file violates it. :-) --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
