题
我有这个程序:
CREATE OR REPLACE PROCEDURE CONV1(
pDate IN VARCHAR2,
pYear OUT number,
pMonth OUT number,
pDay OUT number
)
AS
lDate DATE;
BEGIN
lDate := to_date(pDate, 'DD.MM.YYYY HH24:MI:SS');
pYear := to_number(to_char(lDate, 'YYYY'));
pMonth := to_number(to_char(lDate, 'MM'));
pDay := to_number(to_char(lDate, 'DD'));
END CONV1;
/
我如何调用该过程,如果我只是想在那里出局吗?
(像Select FMAN_STAT_CONV1('16.07.2010', pDay) from dual;
(未顺便说一句工作))
格尔茨!
解决方案
创建将使用过程CONV1的功能,但将仅返回一个值。
甚至更好的为你的具体情况
SELECT to_char(to_date(your_date, 'DD.MM.YYYY HH24:MI:SS'), 'DD') from dual.
或者常见的情况是:
CREATE OR REPLACE FUNCTION CONV2(
pDate IN VARCHAR2
)
RETURN NUMBER
IS
pDay number;
pMonth number;
pYear number;
BEGIN
conv1(pDate, pYear, pMonth, pDay);
return pDay;
END;
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