messages from profile_id that have no messages sent from staff

Posted on 2013-12-13
Last Modified: 2013-12-15
this question is related to
(but you may not need to see that question to solve this question)

looking for the profile_id that has NO messages from staff3 (where staff3 is the sender)
(these are the profile_id that are ignored by staff3 and eventually staff3 will need to respond)

abl: has a message from staff3
swa: has a message from staff3
dtw: has NO messages from staff3
fre: has NO messages from staff3
gam: has NO messages from staff3
h1a: has a message from staff3
nyh: has NO messages from staff3
big: has a message from staff3

CREATE TABLE `a_messages2` (
       `a_messages_id` INT (11) auto_increment  primary key
     , `profile_id` VARCHAR(20)
     , `sender` VARCHAR(20)
     , `message_id` BIGINT (20)
     , `this_user` VARCHAR(20)

INSERT INTO a_messages2
          (`profile_id`, `sender`, `message_id`, `this_user`)
('abl', 'staff3', 3662615602, 'staff3'),
('abl', 'abl', 3660687080, 'staff3'),
('abl', 'staff3', 3658803944, 'staff3'),
('abl', 'staff3', 3649952930, 'staff3'),
('abl', 'staff3', 3644250249, 'staff3'),
('abl', 'staff3', 3614235515, 'staff3'),
('abl', 'abl', 3614140442, 'staff3'),
('abl', 'staff3', 3613984751, 'staff3'),
('abl', 'staff3', 3613936332, 'staff3'),
('abl', 'abl', 3613469574, 'staff3'),
('abl', 'staff3', 3612970481, 'staff3'),
('abl', 'abl', 3609276901, 'staff3'),
('abl', 'abl', 3609276896, 'staff3'),
('abl', 'staff3', 3866086756, 'staff3'),
('abl', 'staff3', 3866079064, 'staff3'),
('abl', 'abl', 3856964132, 'staff3'),
('abl', 'staff3', 3844779912, 'staff3'),
('abl', 'staff3', 3916948647, 'staff3'),
('abl', 'staff3', 3880367425, 'staff3'),
('abl', 'abl', 3977088222, 'staff3'),
('abl', 'staff3', 3974513295, 'staff3'),
('abl', 'staff3', 3973285282, 'staff3'),
('abl', 'abl', 3960907806, 'staff3'),
('abl', 'staff3', 4003664468, 'staff3'),
('abl', 'abl', 4002246444, 'staff3'),
('abl', 'staff3', 3996089944, 'staff3'),
('abl', 'staff3', 4024726432, 'staff3'),
('abl', 'abl', 4021516823, 'staff3'),
('abl', 'staff3', 4018957318, 'staff3'),
('abl', 'abl', 4050609080, 'staff3'),
('abl', 'staff3', 4052368867, 'staff3'),
('abl', 'abl', 4052424820, 'staff3'),
('abl', 'staff3', 4053183569, 'staff3'),
('DTw', 'DTw', '3658976250', 'staff3'),
('DTw', 'DTw', '3658422687', 'staff3'),
('DTw', 'DTw', '3653399588', 'staff3'),
('DTw', 'DTw', '3653174764', 'staff3'),
('DTw', 'DTw', '3546098525', 'staff3'),
('DTw', 'DTw', '3545571594', 'staff3'),
('DTw', 'DTw', '3545571593', 'staff3'),
('DTw', 'DTw', '3540574071', 'staff3'),
('DTw', 'DTw', '3540454344', 'staff3'),
('DTw', 'DTw', '3540376883', 'staff3'),
('fre', 'fre', '3544889093', 'staff3'),
('gam', 'gam', '3955910171', 'staff3'),
('gam', 'gam', '3955910165', 'staff3'),
('gam', 'gam', '3649458031', 'staff3'),
('gam', 'gam', '3648816297', 'staff3'),
('gam', 'gam', '3648783076', 'staff3'),
('gam', 'gam', '3648516109', 'staff3'),
('gam', 'gam', '3647758123', 'staff3'),
('gam', 'gam', '3554774961', 'staff3'),
('gam', 'gam', '3540425395', 'staff3'),
('gam', 'gam', '3540357159', 'staff3'),
('gam', 'gam', '3540345288', 'staff3'),
('h1a', 'staff3', '3700557963', 'staff3'),
('h1a', 'h1a', '3693946789', 'staff3'),
('h1a', 'h1a', '3693806133', 'staff3'),
('h1a', 'staff3', '3684800156', 'staff3'),
('h1a', 'h1a', '3684173904', 'staff3'),
('h1a', 'h1a', '3682095987', 'staff3'),
('h1a', 'h1a', '3682095983', 'staff3'),
('h1a', 'h1a', '3542388954', 'staff3'),
('nyh', 'nyh', '3554817690', 'staff3'),
('nyh', 'nyh', '3554796334', 'staff3'),
('nyh', 'nyh', '3554701760', 'staff3'),
('nyh', 'nyh', '3554689575', 'staff3'),
('nyh', 'nyh', '3541014726', 'staff3'),
('nyh', 'nyh', '3541012663', 'staff3'),
('nyh', 'nyh', '3540619436', 'staff3'),
('nyh', 'nyh', '3540474531', 'staff3'),

('big', 'big', '3947506235', 'staff3'),
('big', 'staff3', '3947496223', 'staff3'),
('big', 'big', '3947489941', 'staff3'),
('big', 'staff3', '3938366539', 'staff3'),
('big', 'staff3', '3647107151', 'staff3'),
('big', 'big', '3587867444', 'staff3'),
('big', 'staff3', '3542393433', 'staff3')

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Question by:rgb192
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LVL 49

Accepted Solution

PortletPaul earned 500 total points
ID: 39718372
This result:
|        DTw |
|        fre |
|        gam |
|        nyh |

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Produced by this query
FROM a_messages2
HAVING sum(CASE WHEN sender = 'staff3' THEN 1 ELSE 0 END) = 0

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Author Closing Comment

ID: 39718811

I have another query because I am using data from multiple staff members

Author Comment

ID: 39719999
I would like to know the users where profile_id sent a message also

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