Yes, but it makes it hard to track down who/what piece of code entered
those bad values. You just have to clean them up later and wonder.
Not the end of the world, but I have some cases where I'd rather fail and
deal with the error at time of input (have them re-enter or whatever).
thanks
-bill
At 01:52 PM 3/20/2001 -0500, Ravi Raman wrote:
>It's kind of counter-intuitive to me as well, but the rationale is that
>there obviously was an error if you have a "" value for an ENUM column. this
>theoretically allows you at some later time to use that indicator to do some
>sort of error-check or update/delete all erroneous rows, or whatever you
>decide to do.
>...in other words, it's a feature, not a bug.
>
>-ravi.
>
>-----Original Message-----
>From: Bill Marrs [mailto:[EMAIL PROTECTED]]
>Sent: Tuesday, March 20, 2001 12:48 PM
>To: [EMAIL PROTECTED]
>Subject: RE: Second Request - Limit Filed Input
>
>
>At 11:22 AM 3/20/2001 -0500, Ravi Raman wrote:
> >You can use an ENUM column type assuming the numerical range is less than
> >65535 numbers.
> >
> >http://www.mysql.com/doc/E/N/ENUM.html
>
>One problem I've seen with enums is that I end up with a blank ('') field
>if I try to insert a row with a value in the enum column that doesn't fit.
>
>Is there a way to get the insert to fail on "bad input" instead?
>
>For example:
>
>mysql> CREATE TABLE Stats (
> -> Status enum('good','bad') NOT NULL
> -> );
>Query OK, 0 rows affected (0.00 sec)
>
>mysql> INSERT INTO Stats VALUES ('neither');
>Query OK, 1 row affected (0.00 sec)
>
>(Can I get this insert to FAIL instead? because...)
>
>mysql> select * FROM Stats;
>+--------+
>| Status |
>+--------+
>| |
>+--------+
>1 row in set (0.01 sec)
>
>(this isn't always a good thing).
>
>-bill
>
>
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