I've just noticed this pecularity with mysql 4.1.0 running on windows,
wondered if anyone could explain it / or is it a bug.
I have a table called tokContact, which has a column called id, which
has unique values from 1 up into the thousands with no gaps.
This sql statement :
select id from tokContact where id < 200 and id <> ALL (select id from
tokContact where id > 10 and id < 150)
returns rows 1..10, 150..199 (As expected)
The problem is if I try :
select id from tokContact where id < 200 and id <> ALL (select id from
tokContact where id < 150)
I get an empty result set (why don't I get 150…199)?
Whilst :
select id from tokContact where id < 200 and id <> ALL (select id from
tokContact where id > 150)
works as expected, giving 1..150
Thanks,
Paul 3 1325
"Paul" <pa**********@hotmail.com> wrote in message
Using 4.1.1a-alpha:
create table tokContact (id int(1));
insert into tokContact(id) values (1), (2), (10), (11), (12), (149), (150),
(151), (199), (200), (201); select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id > 10 and id < 150)
returns rows 1..10, 150..199 (As expected)
Right, I get 1, 2, 10, 150, 151, 199.
The problem is if I try :
select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id < 150)
I get an empty result set (why don't I get 150.199)?
I get 150, 151, 199 which is what you expect.
Whilst :
select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id > 150)
works as expected, giving 1..150
Right, I get 1, 2, 10, 11, 12, 149, 150.
Maybe secret is to upgrade!
Just tried it on 4.1.1alpha (windows version) and it doesnt work.
I guess you are running on Linux?
Thanks,
Paul
"Siemel Naran" <Si*********@REMOVE.att.net> wrote in message news:<QN*********************@bgtnsc04-news.ops.worldnet.att.net>... "Paul" <pa**********@hotmail.com> wrote in message
Using 4.1.1a-alpha:
create table tokContact (id int(1)); insert into tokContact(id) values (1), (2), (10), (11), (12), (149), (150), (151), (199), (200), (201);
select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id > 10 and id < 150)
returns rows 1..10, 150..199 (As expected)
Right, I get 1, 2, 10, 150, 151, 199.
The problem is if I try :
select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id < 150)
I get an empty result set (why don't I get 150.199)?
I get 150, 151, 199 which is what you expect.
Whilst :
select id from tokContact where id < 200 and id <> ALL (select id from tokContact where id > 150)
works as expected, giving 1..150
Right, I get 1, 2, 10, 11, 12, 149, 150.
Maybe secret is to upgrade!
"Paul" <pa**********@hotmail.com> wrote in message Just tried it on 4.1.1alpha (windows version) and it doesnt work.
I'm using Windows. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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