* Matt S Trout <[EMAIL PROTECTED]> [2007-06-14 19:50]:
> if mysql considers that equivalent to null
It does *and* does not:
mysql> create temporary table foo ( bar date not null );
Query OK, 0 rows affected (0.03 sec)
mysql> insert into foo values ('0000-00-00');
Query OK, 1 row affected (0.00 sec)
mysql> select count(*) from foo where bar is not null;
+----------+
| count(*) |
+----------+
| 1 |
+----------+
1 row in set (0.03 sec)
mysql> select count(*) from foo where bar is null;
+----------+
| count(*) |
+----------+
| 1 |
+----------+
1 row in set (0.00 sec)
Isn’t that bloody excellent?
Regards,
--
Aristotle Pagaltzis // <http://plasmasturm.org/>
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