oracle中length()與lengthb()區別
阿新 • • 發佈:2019-02-18
CREATE OR REPLACE FUNCTION fun_ifcn (
V_col in varchar2
)
RETURN NUMBER IS
V_yn number;
/******************************************************************************
This function is to judge the V_col is cn or not!
Note:
0:not
1:yes
Author:Rolland
Date : 2009-01-15 18:16
******************************************************************************/
BEGIN
IF length(V_col)=lengthb(V_col) THEN
V_yn:=0;
ELSE
V_yn:=1;
END IF;
RETURN V_yn;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
-- Consider logging the error and then re-raise
RAISE;
END fun_ifcn;
V_col in varchar2
)
RETURN NUMBER IS
V_yn number;
/******************************************************************************
This function is to judge the V_col is cn or not!
Note:
0:not
1:yes
Author:Rolland
Date : 2009-01-15 18:16
******************************************************************************/
BEGIN
IF length(V_col)=lengthb(V_col) THEN
V_yn:=0;
ELSE
V_yn:=1;
END IF;
RETURN V_yn;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
-- Consider logging the error and then re-raise
RAISE;
END fun_ifcn;