stop all loop after the last element of the array

I want to stop a while loop after the last element of an array. I can't use table size because the size of the array can change within the program.  What should I do?

Why not use the function empty array like this...?

Tags: NI Software

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VALUES (:P1_USER_ID, 'Error. Please check column order in spreadsheet.');  
END IF;
EXCEPTION
    WHEN NO_DATA_FOUND THEN
        insert into temp_mm_update (username,error_desc)
  values (:P1_USER_ID, 'No Data Found.');
 WHEN OTHERS then
  v_errmsg := SQLERRM;
  insert into temp_mm_update (username,error_desc)
  values (:P1_USER_ID, v_errmsg);  

END;

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    Thank you

    Steven

    Play with my code I found what was wrong.
    I needed to add in the following line in my code block of exception:
    v_line := NULL; v_sr_no := v_sr_no + 1;
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  v_blob_len        NUMBER;
  v_position        NUMBER;
  v_raw_chunk       RAW(10000);
  v_char      CHAR(1);
  c_chunk_len   number       := 1;
  v_line        VARCHAR2 (32767)        := NULL;
  v_data_array      wwv_flow_global.vc_arr2;
  v_rows number;
  v_sr_no number := 1;
  v_first_line_done boolean := false;
  v_error_cd number :=0;
  v_quote_pos1 NUMBER;
  v_quote_pos2 NUMBER;
  v_enclosed_str VARCHAR(200);
  v_errmsg VARCHAR2(4000);
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  delete from TEMP_MM_UPDATE where username = :P1_USER_ID;

  -- Read data from wwv_flow_files
  select
    blob_content
    into v_blob_data
    from wwv_flow_files
    where name = :P2_FILE_UPLOAD; 

  v_blob_len := dbms_lob.getlength(v_blob_data);
  v_position := 1; 

  -- Read and convert binary to char
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  LOOP
    begin
        v_raw_chunk := dbms_lob.substr(v_blob_data,c_chunk_len,v_position);
        v_char :=  chr(hex_to_decimal(rawtohex(v_raw_chunk)));
        v_line := v_line || v_char;
        v_position := v_position + c_chunk_len;

      -- When a whole line is retrieved 
      IF v_char = CHR(10) THEN
        LOOP
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          IF INSTR(v_line, '"', 1, 1) = 0 THEN
            EXIT; -- If nothing to replace, exit loop and don't try
          END IF;
          --Find the position of the first and second quotes in the line of text
          v_quote_pos1 := INSTR(v_line, '"', 1, 1);
          v_quote_pos2 := INSTR(v_line, '"', 1, 2);
          --Extract the inner string
          v_enclosed_str := SUBSTR(v_line, v_quote_pos1 + 1, v_quote_pos2 - v_quote_pos1 - 1);
          --perform the replacement
          v_line := SUBSTR(v_line, 0, v_quote_pos1 - 1) || REPLACE(v_enclosed_str, ',', '<') || SUBSTR(v_line, v_quote_pos2 + 1);
        END LOOP; 

        -- Convert comma to : to use wwv_flow_utilities 
        v_line := REPLACE (v_line, ',', ':');
        v_line := REPLACE (v_line, '<', ',');
        v_line := REPLACE (trim(v_line), '-', NULL);
        --v_line := REPLACE (trim(v_line), '"', NULL);
        -- Convert each column separated by : into array of data 
        v_data_array := wwv_flow_utilities.string_to_table (v_line);
        --Check to see if the row of column headers has already been parsed through
        IF(v_first_line_done != true)THEN
          v_first_line_done := true;
          --Check column order in spreadsheet
          IF(v_data_array(1)    LIKE '%Username%' AND
              v_data_array(2)  LIKE '%NDN%' AND
              v_data_array(3)  LIKE '%PCFN%') THEN
            v_error_cd := 0;
            v_line := NULL;
          ELSE
            v_error_cd := 1;
          END IF;
        --If first line is done and the column order is correct then
        ELSIF(v_first_line_done = true AND v_error_cd = 0) THEN
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           PCFN)
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           USING
            v_data_array(1),
            v_data_array(2),
            v_data_array(3);
           -- Clear out
            v_line := NULL; v_sr_no := v_sr_no + 1;
        END IF;
      END IF;
    exception
      WHEN OTHERS then
        v_errmsg := SQLERRM;
        insert into temp_mm_update (username,error_desc)
        values (:P1_USER_ID, v_errmsg);
v_line := NULL; v_sr_no := v_sr_no + 1;
  END;
  END LOOP;

  DELETE FROM WWV_FLOW_FILES where name = :P2_FILE_UPLOAD;
  DELETE FROM TEMP_MM_UPDATE WHERE USERNAME IS NULL AND PCFN IS NULL;
  IF(v_error_cd = 1) THEN
    INSERT INTO temp_mm_update (USERNAME, ERROR_DESC)
    VALUES (:P1_USER_ID, 'Error. Please check column order in spreadsheet.');
  END IF;
EXCEPTION
  WHEN NO_DATA_FOUND THEN
    insert into temp_mm_update (username,error_desc)
    values (:P1_USER_ID, 'No Data Found.');
  WHEN OTHERS then
    v_errmsg := SQLERRM;
    insert into temp_mm_update (username,error_desc)
    values (:P1_USER_ID, v_errmsg);
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