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Q157189: FIX: MLINE() with Select-SQL Group By Clause Causes Error

Article: Q157189
Product(s): Microsoft FoxPro
Version(s): WINDOWS:5.0,5.0a
Operating System(s): 
Keyword(s): kbprogramming kbvfp kbvfp500aBUG kbvfp500bugkbbuglist
Last Modified: 23-MAR-2000

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a 
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SYMPTOMS
========

If a SELECT-SQL query is grouped by a field that is displayed using the MLINE()
command, then executing the statement produces the following error and a result
set is not created:

  SQL: Internal Error

WORKAROUND
==========

You can use a combination of string functions and MEMOWIDTH as in this example:

     SELECT Fld1, LEFT(Fld2,set('MEMOWIDTH')) FROM test GROUP BY 2

STATUS
======

Microsoft has confirmed this to be a problem in the Microsoft products listed at
the beginning of this article. This has been corrected in Visual FoxPro 6.0.

MORE INFORMATION
================

Steps to Reproduce Behavior
---------------------------

1. Create and populate a table with a memo field as follows:

        CREATE TABLE test (Fld1 c(5), Fld2 m)
        INSERT INTO test VALUES("aaaaa","aaaaaaaaaaaaaaaaaaaa")
        INSERT INTO test VALUES("bbbbb","bbbbbbbbbbbbbbbbbbbb")

2. Issue the following command:

        SELECT Fld1, MLINE(Fld2,1) FROM test GROUP BY 2

Additional query words: kbvfp600fix

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Keywords          : kbprogramming kbvfp kbvfp500aBUG kbvfp500bug kbbuglist
Technology        : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP500a
Version           : WINDOWS:5.0,5.0a
Issue type        : kbbug
Solution Type     : kbfix

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