IF...THEN...ELSE...END IF

最近更新时间: 2025-02-18 16:02:00

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postgres=# CREATE OR REPLACE PROCEDURE p_if_else() AS
$$    
BEGIN           
    IF random()>0.99 THEN
        RAISE NOTICE '随机数大于0.99';
    ELSE
        RAISE NOTICE '随机数小于或等于0.99';
    END IF;
END;
$$
LANGUAGE plpgsql;
CREATE PROCEDURE
postgres=# CALL p_if_else();
NOTICE:  随机数小于或等于0.99
CALL
postgres=#