Doh. My bad. I was indeed thinking of integer context rather than boolean
context.
I was thinking of a Perl construct of the form:
if("a" + 0) { ... }
I.E. forcing it to an integer context...
-JF
> -----Original Message-----
> From: Keith C. Ivey [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, April 16, 2002 11:07 AM
> To: Mysql List
> Subject: RE: WHERE codition test
>
>
> On 16 Apr 2002, at 10:58, Jon Frisby wrote:
>
> > String literals in a truth test such as you set up are coerced
> to integers.
> > (A la C's 'atoi()' function.)
> [snip]
> > If you're used to weakly-typed languages, such as Perl this is fairly
> > typical behavior although it does seem counterintuitive in the
> context of
> > SQL.
>
> Actually, if you're used to Perl the behavior seems strange, since
> strings are true in Perl unless they're '' or '0'. Perl does coerce
> strings to integers as you say, but only in integer context, which
> in Perl is separate from boolean context.
>
> --
> Keith C. Ivey <[EMAIL PROTECTED]>
> Tobacco Documents Online
> http://tobaccodocuments.org
>
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