On 6/10/10 5:29 PM, Brian Aker wrote:
Hi!
I was just looking at this code yesterday, and I believe I have one
of the fixes in my tree to be pushed.
One thing about fixing datetime that I am worried about is the
000-00-00(...) issue. I am wondering how many people rely on being
able to use that instead of NULL.
Only in our entire code base. =)
You see, NULL from a mysql table is (maybe was) kind of evil in PHP as
it sets the variable = null. Actually, it does not set the variable at
all in some cases. So, you end up with an unset variable. So, long ago,
many people quit using NULL in mysql tables for PHP applications. Sucks
eh? We adapted in some cases where needed to support both 0 and NULL.
But, for dates, we rely heavily on 0000-00-00 to mean not set.
Brian.
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