<cell> Conditional
<cell> CASE
<cell> Evaluates the
condition of each successive WHEN clause and returns the first
result where the
condition is true; any remaining WHEN and ELSE clauses are not evaluated. If all conditions are false or NULL, returns
else_result if present; if not present, returns NULL. [Learn more](/looker/docs/studio/case-searched)
`
CASE
WHEN condition THEN result
[WHEN condition THEN result]
[...]
[ELSE else_result]
END
`