Message-ID: <F001.004324CB.20020325104030@fatcity.com>
Date: Mon, 25 Mar 2002 10:40:30 -0800
To: Multiple recipients of list ORACLE-L <ORACLE-L@fatcity.com>
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From: "Jamadagni, Rajendra" <Rajendra.Jamadagni@espn.com>
Subject: RE: Function With Variable input
Organization: Fat City Network Services, San Diego, California
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Hmmm ....

create or replace function myfunc (in_userlist in varchar2) 
return varchar2 is
  -- in_userlist is a comma delimited list of user numbers
  szRtnVar	varchar2(1000) := null;
  --
  szSqlText	varchar2(1000) := null;
  vRefCur	REF CURSOR;
begin
  szSqltext := 'select nvl(weight, 0) from tablea where usera in (' ||
in_userlist || ')';
  open vRefCur for szSqltext;
  loop
    fetch vRefCur into szTmp;
    exit when vRefCur%notfound;
    szRtnVar := szRtnVar || ',' || to_char(szTmp);
  end loop;
  if vRefCur%isopen then
    close vRefCur;
  end if;
  return (ltrim(szRtnVar,','));
end myfunc;
/

or if you have 8i, 9i then try this ...

create or replace function myfunc (in_userlist in varchar2) 
return varchar2 is
  -- in_userlist is a comma delimited list of user numbers
  szRtnVar	varchar2(1000) := null;
  --
  itTmpTab	dbms_utility.uncl_array;  -- table type definition for
varchar2
  szSqlText	varchar2(1000) := null;
  vRefCur	REF_CURSOR;
  nRows	number := 0; -- holds number of rows
begin
  szSqltext := 'select to_char(nvl(weight, 0)) from tablea where usera in ('
|| in_userlist || ')';
  execute immediate szSqlText BULK COLLECT into itTmpTab;
  dbms_utility.table_to_comma(itTmpTab, nRows, szRtnVar);
  return (szRtnVar);
end myfunc;
/

Of course check for syntaxes etc. Both these examples assume that the "in"
parameter is of type a,b,c,d etc.

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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Author: Jamadagni, Rajendra
  INET: Rajendra.Jamadagni@espn.com

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