'IF' in 'SELECT' statement - choose output value based on column values

General Tech Bugs & Fixes 2 years ago

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manpreet Tuteehub forum best answer Best Answer 2 years ago

I need amount to be amount if report.type='P' and -amount if report.type='N'. How do I add this to the above query?

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manpreet 2 years ago

Use a case statement:

select id,
    case report.type
        when 'P' then amount
        when 'N' then -amount
    end as amount
from
    `report`

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