FIX: Record Count Reset When You Run END TRANSACTION Command Against a Remote View (319284)



The information in this article applies to:

  • Microsoft Visual FoxPro for Windows 7.0

This article was previously published under Q319284

SYMPTOMS

When you requery a remote view to which you have appended records, and then you append additional records in the transaction, some or all of the appended records are missing when you reach the END TRANSACTION line.

RESOLUTION

To resolve this problem, obtain the latest service pack for Visual FoxPro for Windows 7.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

316964 How to Obtain the Latest Visual FoxPro for Windows 7.0 Service Pack

STATUS

Microsoft has confirmed that this is a problem in Microsoft Visual FoxPro for Windows 7.0.

This problem was first corrected in Visual FoxPro for Windows 7.0 Service Pack 1.

MORE INFORMATION

Steps to Reproduce the Behavior

Paste the following code in a program (.prg) file, and then run the program from the Command window of Visual FoxPro 7.0 build 9262:
CLOSE DATABASES all
CLEAR 

*!************************************
*!* Create sample data
CREATE TABLE testTable (cField1 C(10))
USE

CREATE DATABASE testDBC
CREATE CONNECTION testConn ;
   CONNSTRING "Driver={Microsoft Visual FoxPro Driver};" + ;
      "SourceDB=" + SYS(5) + CURDIR() + ";SourceType=DBF"
*!* Note: This view cannot be updated.
CREATE SQL VIEW testView CONNECTION testConn AS ;
   SELECT * ;
      FROM testTable
CLOSE DATABASES ALL

*!****************************
*!* Behavior without buffering.
? "Without Buffering"

OPEN DATABASE testDBC
USE testView

*!* The APPEND BLANK command and REQUERY() function trigger the behavior.
APPEND BLANK
REQUERY()
? RECCOUNT()  

BEGIN TRANSACTION
APPEND BLANK
APPEND BLANK
?RECCOUNT()  

END TRANSACTION
?RECCOUNT()  
CLOSE DATABASES ALL

*!*************************
*!* Behavior with buffering.
? "With Buffering"

OPEN DATABASE testDBC
USE testView
CURSORSETPROP("Buffering", 5)

APPEND BLANK
APPEND BLANK 

BEGIN TRANSACTION 
TABLEUPDATE(1)
END TRANSACTION
?RECCOUNT() 
REQUERY()   && Resets view to 0

APPEND BLANK
APPEND BLANK

BEGIN TRANSACTION
TABLEUPDATE(1)
?RECCOUNT()  
END TRANSACTION
?RECCOUNT()  
				
After you run the code, you expect to see the following:
Without Buffering:
         0
         2
         2
With Buffering:
         2
         2
         2
				
However, in Visual FoxPro 7.0 build 9262, you receive the following results:
Without Buffering:
         0
         2
         1
With Buffering:
         2
         2
         0
				
Note that without buffering, all but one of the records disappear after the END TRANSACTION command. With buffering, all of the records disappear.

Modification Type:MajorLast Reviewed:4/11/2002
Keywords:kbbug kbCodeSnippet kbDatabase kbDSupport kbVFP700sp1fix KB319284