BUG: SUBSTR() on Empty Memo Field Gives Error: Beyond String

ID: Q116029

2.00 2.50 2.50a 2.50b 2.6x | 2.50 2.50a 2.50b 2.60 | 2.5x 2.60a

MS-DOS                     | WINDOWS               | MACINTOSH

The information in this article applies to:

Microsoft FoxPro for MS-DOS, versions 2.0, 2.5, 2.5a, 2.5b, 2.6x
Microsoft FoxPro for Windows, versions 2.5, 2.5a, 2.5b, 2.6
Microsoft FoxPro for Macintosh, versions 2.5x, 2.6a

SYMPTOMS

Using the SUBSTR() function on an empty memo field causes the "Beyond string" error message if SET TALK is ON.

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

To reproduce the problem, run the following code:

   CREATE TABLE test (notes M)
     APPEND BLANK
      SET TALK ON
   WAIT WINDOW 'TALK is ' + SET('TALK') TIMEOUT 3
       ? SUBSTR(notes,1,10)
   SET TALK OFF
   WAIT WINDOW 'TALK is ' + SET('TALK') TIMEOUT 3
       ? SUBSTR(notes,1,10)

NOTE: Choose Ignore when the error message appears on the screen.

Additional reference words: FoxWin FoxDos 2.00 2.50 2.50a 2.50b 2.60 2.60a 2.50c buglist2.00 buglist2.50 buglist2.50a buglist2.50b buglist2.60 buglist2.60a buglist2.50c errmsg err msg KBCategory: KBSubcategory: FxprgGeneral

Keywords          : kberrmsg FxprgGeneral 
Version           : 2.00 2.50 2.50a 2.50b 2.6x | 2.5
Platform          : MACINTOSH MS-DOS WINDOWS