15 lines
453 B
MySQL
15 lines
453 B
MySQL
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BEGIN;
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ALTER TABLE gigachatAudience RENAME COLUMN Sex TO Sex_old;
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ALTER TABLE gigachatAudience ADD COLUMN Sex INTEGER;
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UPDATE gigachatAudience
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SET Sex = CASE
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WHEN Sex_old = FALSE THEN 0
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WHEN Sex_old = TRUE THEN 1
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ELSE 2
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END;
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ALTER TABLE gigachatAudience DROP COLUMN Sex_old;
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ALTER TABLE gigachatAudience ALTER COLUMN Sex SET NOT NULL;
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ALTER TABLE gigachatAudience
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ADD CONSTRAINT check_sex_valid_values CHECK (Sex IN (0, 1, 2));
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COMMIT;
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