How do you write a conditional in a MySQL select statement?
I'm using MySQL, and I want to do a sort of ternary statement in my SQL like:
SELECT USER_ID, ((USER_ID = 1) ? 1 : 0) AS FIRST_USER
FRO开发者_StackOverflow社区M USER
The results would be similar to:
USER_ID | FIRST_USER
1 | 1
2 | 0
3 | 0
etc.
How does one accomplish this?
SELECT USER_ID, (CASE USER_ID WHEN 1 THEN 1 ELSE 0 END) as FIRST_USER FROM USER
SELECT USER_ID, IF(USER_ID = 1, 1, 0) AS FIRST_USER FROM USER
The IF() statement works similarly to the ternary ? : operator.
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