range function ??? URGENT

From: Leslie Lu <leslie_y_lu_at_yahoo.com>
Date: Wed, 14 Nov 2001 15:56:46 -0800
Message-ID: <F001.003C536B.20011114153150@fatcity.com>

Hi all,

Thank you for all who responded to my range checking question. I created a function check_range with in parameter varchar2, and return varchar2.

This works fine:
select check_range('301') from FRANCHISE_AREA;

But when I select the column, I got:
select check_range(FRANCHISE_NAME) from FRANCHISE_AREA

       *
ERROR at line 1:
ORA-20599: ORA-06502: PL/SQL: numeric or value error: character to number
conversion error
ORA-06512: at "ICSS.CHECK_RANGE", line 69 ORA-06512: at line 1

The table structure shows FRANCHISE_NAME is varchar2: SQL> desc FRANCHISE_AREA;

 Name                                      Null?   

Type

• --------

  ---

  FRANCHISE_ID NOT NULL NUMBER(10) FRANCHISE_NAME NOT NULL VARCHAR2(32) FRANCHISE_AUTHORITY NOT NULL VARCHAR2(100) FRANCHISE_CONTACT_ADDRESS_ID NOT NULL NUMBER(10) FRANCHISE_CONTACT_PHONE_ID NUMBER(10) FRANCHISE_CONTACT_NAME VARCHAR2(32) FRANCHISE_CUI_NUMBER NOT NULL VARCHAR2(10) FRANCHISE_EFFECTIVE_DATE NOT NULL DATE FRANCHISE_EXPIRATION_DATE DATE REMITTANCE_SERVICE_CENTER_ID NOT NULL NUMBER(5) BILLING_SERVICE_CENTER_ID NOT NULL NUMBER(5) RETURN_ADDR_SERVICE_CENTER_ID NOT NULL NUMBER(5) CUI_SERVICE_CENTER_ID NUMBER(5) COMPANY_ID NOT NULL NUMBER(10)

The code for function is:
CREATE OR REPLACE FUNCTION check_range(
franchise_name varchar2)
return
varchar2
as

        ifranchise_name number;
        franchise_code  varchar2(2);
        StoO_error      number;
        StoO_errmsg     VARCHAR2(255);
begin
        ifranchise_name := to_number(franchise_name);
        if ifranchise_name >= 301 and  ifranchise_name
<= 390 then
                franchise_code := 'QD';
        elsif ifranchise_name >= 391 and 
ifranchise_name <= 392 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 393 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 394 then
                franchise_code := 'NT';
        elsif ifranchise_name >= 415 and 
ifranchise_name <= 420 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 421 then
                franchise_code := 'NT';
        elsif ifranchise_name >= 422 and 
ifranchise_name <= 434 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 435 and 
ifranchise_name <= 437 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 439 and 
ifranchise_name <= 455 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 456 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 457 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 459 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 460 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 465 and 
ifranchise_name <= 467 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 473 then
                franchise_code := 'NT';
        elsif ifranchise_name >= 475 and 
ifranchise_name <= 476 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 477 and 
ifranchise_name <= 479 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 483 then
                franchise_code := 'SA';
        elsif ifranchise_name >= 487 and 
ifranchise_name <= 498 then
                franchise_code := 'NW';
        elsif ifranchise_name >= 505 and 
ifranchise_name <= 510 then
                franchise_code := 'VC';
        elsif ifranchise_name >= 511 and 
ifranchise_name <= 515 then
                franchise_code := 'TA';
        elsif ifranchise_name >= 516 and 
ifranchise_name <= 582 then
                franchise_code := 'VC';
        elsif ifranchise_name >= 701 and 
ifranchise_name <= 799 then
                franchise_code := 'NW';
        else
                franchise_code := NULL;
        end if;
        return franchise_code;

EXCEPTION
        WHEN NO_DATA_FOUND THEN
                NULL;
        WHEN  OTHERS THEN
                StoO_error := SQLCODE;
                StoO_errmsg := SQLERRM;
               

raise_application_error(-20599,substr(StoO_errmsg,1,100)); end;

Any idea ??? Thank you !!

Leslie

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Author: Leslie Lu
  INET: leslie_y_lu_at_yahoo.com

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