Q286339: BUG: "Data Type Mismatch" Error After PACK When Used with an IDX

Article: Q286339
Product(s): Microsoft FoxPro
Version(s): 5.0,5.0a,6.0
Operating System(s): 
Keyword(s): kbDatabase kbvfp500 kbvfp500a kbvfp500aBUG kbvfp500bug kbvfp600 kbvfp600bug KbDBFDBC kb
Last Modified: 31-JAN-2001

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a, 6.0 
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SYMPTOMS
========

After you issue a PACK command and then insert records into a table that uses an
IDX index file, the following error may occur:

  Data type mismatch.

RESOLUTION
==========

To work around this problem, use a structural index instead of an IDX index
file.


STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

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

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

1. Run the following code that demonstrates the problem:

  *!* Q286339 PRB: "Data Type Mismatch" Error After PACK When Used With a IDX
  *!* This code illustrates the problem described in the article.
  CREATE TABLE Test FREE (num N(10) , gen G)
  INSERT INTO Test (num) VALUES (1)
  INSERT INTO Test (num) VALUES (2)
  USE
  DELETE FILE Test.idx
  USE TEST
  INDEX ON  num TO Test FOR num <> 10

  USE Test INDEX Test
  INSERT INTO Test (num) VALUES (11)
  DELETE FOR num = 11
  PACK
  INSERT INTO Test (num) VALUES (12)
  BROWSE

2. The error shown in the "Symptoms" section appears. After the error occurs,
  the table appears empty when use the BROWSE command unless you recreate the
  index. To recreate the index, use the INDEX ON command.

REFERENCES
==========

(c) Microsoft Corporation 2001, All Rights Reserved. Contributions by Mark
Barnard, Microsoft Corporation.


Additional query words:

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Keywords          : kbDatabase kbvfp500 kbvfp500a kbvfp500aBUG kbvfp500bug kbvfp600 kbvfp600bug KbDBFDBC kbGrpDSFox kbDSupport kbCodeSnippet 
Technology        : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP600 kbVFP500a
Version           : :5.0,5.0a,6.0
Issue type        : kbbug
Solution Type     : kbpending

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