11 lines
428 B
MySQL
11 lines
428 B
MySQL
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-- CASE [ expression ] { WHEN boolean_expression THEN then_expression } [ ... ]
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-- [ ELSE else_expression ]
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-- END
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SELECT id, CASE WHEN id > 200 THEN 'bigger' ELSE 'small' END FROM person;
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SELECT id, CASE id WHEN 100 then 'bigger' WHEN id > 300 THEN '300' ELSE 'small' END FROM person;
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SELECT * FROM person WHERE CASE 1 = 1 WHEN 100 THEN 'big' WHEN 200 THEN 'bigger' WHEN 300 THEN 'biggest' ELSE 'small' END = 'small';
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