is it possible to use a function to
- From: "Duret, Kathy" <kduret@xxxxxxxxxxxxxxxxxxxx>
- To: "Oracle L (E-mail)" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 24 Feb 2005 17:13:39 -0600
8.1.7.4 Solaris 9
What I want to do is build a In list and feed it to a query:
select * from test2 where
symbol in ( select test_function('IBM') symbol from dual);
One symbol comming out of the function works fine. multiples do not
the select test_function('IBM') from dual works just fine.
I cannot get the outer query to work.
What am I missing?
Thanks,
Kathy
CREATE OR REPLACE FUNCTION test_function ( p_symbol in test.symbol%type
) RETURN varchar2
is
v_cur_symbol alias.symbol%type;
v_in_list_sql varchar2 (4000);
v_symbol alias.symbol%type := upper(p_symbol);
cursor symbol_cur is
select distinct a1.symbol
from test
where symbol = v_symbol
)
BEGIN
For symbol_recs in symbol_cur
LOOP
v_cur_symbol := symbol_recs.symbol || ',';
v_in_list_sql := rtrim(v_in_list_sql,' ') || v_cur_symbol;
END LOOP;
/* take off last comma */
v_in_list_sql := substr(rtrim(v_in_list_sql,' ')
,1,(length(rtrim(v_in_list_sql,' ')))-1 ) ;
return v_in_list_sql;
EXCEPTION
WHEN No_Data_Found
THEN
return v_in_list_sql;
WHEN OTHERS
THEN
raise_application_error(sqlcode, SUBSTR(SQLERRM,1,100));
end;
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