the following behaviour seems inconsistent to me.
I can qualify on nulls, but not on nonullness.
This was tested under 7.1.2
create table A
( a text, b text
);
insert into A(a) values('a1');
insert into A(a, b) values('a2', 'b2');
select count(*) from A where b = null; /* Returns 1, ok */
select count(*) from A where b != null; /* Returns 0 ... not ok! */
What am i missing? Shouldn't those two sets be complimentary?
john
=====
John Scott
Senior Partner
August Associates
email: john@august.com web: http://www.august.com/~jmscott
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