Function call in update statement

Question

Hi,
I have an update statement as follows
update
tableA
set
some_Ind = 0
where
cond1=val1
and some_Ind = 1
and f_test(param1, param2) ='Y'
If i have say total 5 rows in tableA and the some_Ind is set to 1 for 2 rows.
Will this update stmt, call the funtion for all 5 rows ? and then update only the rows matching the condition?
Because i am expecting this update stmt to call the function for only the 2 rows which has the some_Ind as set but i get the message printed out 5 times for 5 rows but it updates only 2 rows.
Since this function f_test is very complex, i need to call it for only those rows to be updated.
Please give your suggestions....thanx...

Answer 1

I just gave the test function to display the two parameters.
This function is displaying the messages for all the 5 rows and not for the 2 rows which match the condition.
CREATE OR REPLACE FUNCTION f_test1 (param1IN VARCHAR2,param2 IN VARCHAR2)
RETURN VARCHAR2 IS
retInd varchar2(1);
begin
dbms_output.put_line('param1: '||param1);
dbms_output.put_line(param2: '||param2);
retInd := 'Y';
DBMS_OUTPUT.PUT_LINE('Val of retInd:'||retInd);
RETURN retInd;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line('other exception ');
RETURN 'N';
END;