How to count with two "HAVING" situation in sql? - mysql

Question

I need to count how many id_no does have ALL line_number with test_activity = approved and test_status = completed and filtered by work_type which is B.
id id _no line_number work_type date test_activity test_status
P P-01 1 b 2020-02-02 approved completed
P P-01 2 b 2020-02-02 approved completed
P P-01 3 b 2020-02-02 approved completed
P P-02 4 b 2020-02-02 approved incompleted
P P-02 5 b 2020-02-02 approved incompleted
P P-02 6 b 2020-02-02 approved completed
Q Q-01 7 b 2020-02-02 in progress incompleted
Q Q-01 8 b 2020-02-02 in progress incompleted
Q Q-01 9 b 2020-02-02 not started incompleted
Q Q-02 10 b 2020-02-02 approved completed
Q Q-02 11 b 2020-02-02 approved completed
Q Q-02 12 b 2020-02-02 approved completed
I tried:
select date, count(*) as count
from (select id, id_no, date
from pt_pretest pp where work_type = 'b'
group by id, id_no, date
having min(test_activity) = max(test_activity) and min(test_activity ) = 'approved'
and having min(test_status) = max(test_status) and min(test_status) = 'completed'
) as x group by date
But it did not work. From the sample above, the expected result is:
id date count
P 2020-02-02 1
Q 2020-02-02 1
How should I write my query so I will the expected result?
Thankyou

Answer 1

There is one having too many in your query. Remove it.
select id, id_no, date, count(*)
from pt_pretest pp
where work_type = 'b'
group by id, id_no, date
having min(test_activity) = max(test_activity) and min(test_activity ) = 'approved'
and min(test_status) = max(test_status) and min(test_status) = 'completed'
order by id, id_no, date;

Answer 2

The following returns all ids that have at least one id_no that fails the condition:
select id, count(*)
from (select id, id_no
from t
where not (test_activity = 'approved' and test_status = 'completed')
group by id, id_no
) ii
group by id;
If you want zeros in the result set, use conditional aggregation in the subquery:
select id, count( num_bad > 0 )
from (select id, id_no,
sum( not (test_activity = 'approved' and test_status = 'completed') ) as num_bad
from t
group by id, id_no
) ii
group by id;