TRy something like this ...
CREATE OR REPLACE PACKAGE My_Dynamic_Stuff IS
v_result NUMBER;
--
PROCEDURE eval_this (pi_string IN VARCHAR2);
END My_Dynamic_Stuff;
/
CREATE OR REPLACE PACKAGE BODY My_Dynamic_Stuff IS
--
PROCEDURE eval_this (pi_string IN VARCHAR2) IS
BEGIN
RTRIM(pi_string,';') || '; end;';
END eval_this;
--
END My_Dynamic_Stuff;
/
Here is a test ...
SQL> get raj_test
1 declare
2 my_str varchar2(100);
3 begin
4 dbms_output.enable;
5 my_dynamic_stuff.eval_this('1 + 1 + 1 + 1');
6 dbms_output.put_line ('"1 + 1 + 1 + 1" evaluates to : ' ||
to_char(my_dynamic_stuff.v_result));
7 --
8 my_dynamic_stuff.eval_this('1 + (2 - 3)/4 + 5 / 4 + (6 + 7) / ( 5 +
5 + 0)');
9 dbms_output.put_line ('"1 + (2 - 3)/4 + 5 / 4 + (6 + 7) / ( 5 + 5 +
0)" evaluates to : ' || to_char(my_dynamic_stuff.v_result));
10* end;
SQL> @raj_test
"1 + 1 + 1 + 1" evaluates to : 4
"1 + (2 - 3)/4 + 5 / 4 + (6 + 7) / ( 5 + 5 + 0)" evaluates to : 3.3
PL/SQL procedure successfully completed.
SQL>
HTH some
Raj
______________________________________________________
Rajendra Jamadagni MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed here is personal and doesn't reflect that of ESPN Inc.
QOTD: Any clod can have facts, but having an opinion is an art!
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