Tutorials needed on overloading functions
hi,
tutorials needed on overloading functions.
provide me with some good links which explains all type of possibilities of overloading.
Some samples here :
http://download-uk.oracle.com/docs/cd/B19306_01/appdev.102/b14261/subprograms.htm#i12352
Nicolas.
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Hi all
create or replace package emp_pack is
function p1 (p_tvia_num movil.tvia_num%type,
p_chaluka_num movil.chaluka_num%type) return number ;
function p1 (p_tvianum movil.tvia_num%type,
p_chlaukanum%type,
p_polisanum%type) return number ;
end emp_pack;i'm posting only the specification
now
i'm trying to invoke the function :
exec emp_pack.p1(p_tvia_num=>99,p_chaluka_num=>0);
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00306: wrong number or types of arguments in call to 'P1
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored '
i know that if i declare different name for the parameters and invoking the function with the parameter name it's suppose to work ,
am i right ? or this valid only to procedures ?
Thanks in Advanced
Naama
Edited by: naama on Jun 12, 2011 2:47 AMHi peter
Sorry my mistake , i copied the wrong script
CREATE OR REPLACE PACKAGE emp_pack IS
FUNCTION p1 (
p_tvia_num movil.tvia_num%TYPE,
p_chaluka_num movil.chaluka_num%TYPE
RETURN NUMBER;
FUNCTION p1 (
p_tvianum movil.tvia_num%TYPE,
p_chlaukanum movil.chaluka_num%TYPE,
p_polisanum movil.polisa_num%TYPE
RETURN NUMBER;
end emp_pack;/
o.k you right , and i also did
var g_num
execute :g_num := emp_pack.p1(p_tvia_num=>99, p_chaluka_num=>0)
and it's work
now i was wondering
from the beginning i wanted to do like this :
CREATE OR REPLACE PACKAGE emp_pack IS
FUNCTION p1 (
p_tvia_num movil.tvia_num%TYPE,
p_chaluka_num movil.chaluka_num%TYPE
RETURN NUMBER;
FUNCTION p1 (
p_tvia_num movil.tvia_num%TYPE,
p_chlauka_num movil.chaluka_num%TYPE,
p_polisa_num movil.polisa_num%TYPE
RETURN NUMBER;
--overloading function no.3
FUNCTION p1 (
p_polisa_num movil.polisa_num%TYPE ,
p_chlauka_num movil.chaluka_num%TYPE) return number ;
end emp_pack;i added one more function which get also two parameters of the same data type ,
and also gave the parameters of all the p1 function the same name ,
is it valid and if so , it this a poor pl/sql code , ok is it o.k writing like this ?
Thanks in Advanced
Naama
Edited by: naama on Jun 12, 2011 3:35 AM
Edited by: naama on Jun 12, 2011 3:36 AM
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