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I have a MySQL query .I want to set column hours=0 when the sub task is 'PTO'.I tried below query but it is not working as expected. 

 select distinct t.hours, t.subtask,
        CASE sub task
         WHEN 'PTO' THEN t.hours=0
        ELSE t.hours
        END as subtask
    from task t
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1 Answer 1

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1

You can try below

select distinct t.hours, t.subtask, 
CASE t.subtask WHEN 'PTO' THEN 0 ELSE t.hours END as updated_subtask 
from task t
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