DOCUMENT:Q318991 10-APR-2002 [foxpro] TITLE :FIX: Memory Leak with Function in SELECT with ORDER BY PRODUCT :Microsoft FoxPro PROD/VER::7.0 OPER/SYS: KEYWORDS:kbDatabase KbDBFDBC kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283 kbVFP700sp1fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual FoxPro for Windows, version 7.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you call a function in a SELECT statement in which an error occurs, and the SELECT statement uses an ORDER BY clause, Visual FoxPro does not release the memory that was used to process the SELECT statement. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Visual FoxPro for Windows 7.0. For additional information, please see the following article in the Microsoft Knowledge Base: Q316964 How to Obtain the Latest Visual FoxPro for Windows 7.0 Service Pack Quit Visual FoxPro for the memory to be released. STATUS ====== Microsoft has confirmed this to be 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 ------------------------------- 1. Paste the following code in a program (.prg) file, and then run the program from the Command window: ON ERROR * CLOSE DATABASES ALL DELETE FILE testtab1.DBF CREATE TABLE testtab1 (longfield c(254)) FOR T=1 TO 10000 SELECT * FROM testtab1 ORDER BY UPPER(longfield) ENDFOR RETURN 2. Press CTRL+ALT+DELETE to open Task Manager, and then note the amount of memory that is available. 3. Run the program again and note the amount of memory that is available. It will be approximately 180 MB less than the amount of memory that was available before the program was run. Additional query words: ====================================================================== Keywords : kbDatabase KbDBFDBC kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283 kbVFP700sp1fix Technology : kbVFPsearch kbAudDeveloper kbVFP700 Version : :7.0 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.