URGENT - HELP ORA-06502:

Hi,

I have the following 2 Tables:

CONCAT_MEMO_TEXT -
MTSN NUMBER(10)
MEMO_TEXT VARCHAR2(4000)

NC_MEMO_TEXT  -
MTSN                                    NUMBER(10)
TEXT_ORDER                      NUMBER(10)
MEMO_TEXT                       VARCHAR2(255)
R_STATUS                            VARCHAR2(1)

This function:

CREATE OR REPLACE FUNCTION Fmemo_text (p_mtsn IN NUMBER)
 return VARCHAR2 is
 l_str  VARCHAR2(10000);
BEGIN
  FOR x IN
  (SELECT REPLACE(REPLACE(MEMO_TEXT,chr(13),'Z'),CHR(10),'') AS MEMO_TEXT
   FROM  NC_MEMO_TEXT
   WHERE  MTSN = p_mtsn
   ORDER  BY TEXT_ORDER)
    LOOP
        l_str := l_str||''||x.memo_text;
    END LOOP;
   RETURN l_str;
END;
/

I am trying this insert statement:

INSERT INTO CONCAT_MEMO_TEXT (mtsn,memo_text)
       (SELECT  mtsn,fmemo_text( mtsn ) MEMO_TEXT
         FROM nc_memo_text
        GROUP BY mtsn);

However i get this error:

ERROR at line 2:
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 1

I have tried various settings for l_str in the finction however i keep
getting this error.

I have also tried changing the datatype of CONCAT_MEMO_TEXT .MEMO_TEXT to
Long, clob etc but no luck.

Anyone got any ideas.

Thanks


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