FIX: You may receive incorrect results when you run a query that contains a UNION ALL operator, a TOP clause, and an ORDER BY clause (831675)



The information in this article applies to:

  • Microsoft SQL Server 2000 Developer Edition
  • Microsoft SQL Server 2000 Standard Edition
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft SQL Server 2000 Personal Edition
  • Microsoft SQL Server 2000 Enterprise Evaluation Edition
  • Microsoft SQL Server 2000 Workgroup Edition
  • Microsoft SQL Server 2000 Desktop Engine (MSDE)
  • Microsoft SQL Server 2000 Developer Edition 64 bit
  • Microsoft SQL Server 2000 Enterprise Edition 64-bit

BUG #: 470536 (SQL Server 8.0)

Microsoft distributes SQL Server 2000 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2000 fix release.

SYMPTOMS

When you run a query that contains a UNION ALL operator, a TOP clause, and an ORDER BY clause to retrieve data from a SQL Server database, you may notice that the data that is returned in the result is not consistent. The result you receive when the query is run the first time differs from the result you receive in successive runs of the same query.

You may notice similar behavior even after you run the DBCC DROPCLEANBUFFERS Transact-SQL command to clean the buffer.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 How to obtain the latest SQL Server 2000 service pack

Hotfix information

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name
   ------------------------------------------------------------------------
   31-May-2003  05:15  2000.80.818.0      78,400  Console.exe      
   27-Oct-2003  14:51  2000.80.873.0     315,968  Custtask.dll     
   02-Oct-2003  07:29  2000.80.867.0      33,340  Dbmslpcn.dll     
   24-Apr-2003  12:42                    786,432  Distmdl.ldf
   24-Apr-2003  12:42                  2,359,296  Distmdl.mdf
   29-Jan-2003  12:25                        180  Drop_repl_hotfix.sql
   11-Sep-2003  13:56  2000.80.859.0   1,905,216  Dtspkg.dll       
   26-Aug-2003  06:46  2000.80.854.0     528,960  Dtspump.dll      
   23-Jun-2003  09:10  2000.80.837.0   1,557,052  Dtsui.dll        
   23-Jun-2003  09:10  2000.80.837.0     639,552  Dtswiz.dll       
   23-Apr-2003  13:21                    747,927  Instdist.sql
   02-May-2003  12:26                      1,581  Inst_repl_hotfix.sql
   07-Feb-2003  17:10  2000.80.765.0      90,692  Msgprox.dll      
   31-Mar-2003  12:37                      1,873  Odsole.sql
   04-Apr-2003  12:16  2000.80.800.0      62,024  Odsole70.dll     
   07-May-2003  07:11  2000.80.819.0      25,144  Opends60.dll     
   02-Apr-2003  08:18  2000.80.796.0      57,904  Osql.exe         
   02-Apr-2003  09:45  2000.80.797.0     279,104  Pfutil80.dll     
   04-Aug-2003  04:47                    550,780  Procsyst.sql
   11-Sep-2003  11:07                     12,305  Qfe469315.sql
   22-May-2003  09:27                     19,195  Qfe469571.sql
   05-Sep-2003  12:06                  1,090,932  Replmerg.sql
   05-Sep-2003  17:48  2000.80.858.0     221,768  Replprov.dll     
   05-Sep-2003  17:48  2000.80.858.0     307,784  Replrec.dll      
   05-Sep-2003  10:30                  1,087,150  Replsys.sql
   13-Aug-2003  02:58                    986,603  Repltran.sql
   21-Oct-2003  10:38  2000.80.871.0      57,916  Semnt.dll        
   29-Jul-2003  06:43  2000.80.819.0     492,096  Semobj.dll       
   31-May-2003  04:57  2000.80.818.0     172,032  Semobj.rll
   05-Aug-2003  07:36                    127,884  Sp3_serv_uni.sql
   31-May-2003  11:31  2000.80.818.0   4,215,360  Sqldmo.dll       
   07-Apr-2003  04:14                     25,172  Sqldumper.exe    
   19-Mar-2003  04:50  2000.80.789.0      28,672  Sqlevn70.rll
   26-Sep-2003  15:12  2000.80.865.0     180,792  Sqlmap70.dll     
   02-Sep-2003  13:26  2000.80.857.0     188,992  Sqlmmc.dll       
   02-Sep-2003  09:33  2000.80.857.0     479,232  Sqlmmc.rll
   21-Oct-2003  10:38  2000.80.871.0     401,984  Sqlqry.dll       
   07-Feb-2003  17:10  2000.80.765.0      57,920  Sqlrepss.dll     
   27-Oct-2003  14:51  2000.80.873.0   7,606,353  Sqlservr.exe     
   25-Jul-2003  08:14  2000.80.845.0     590,396  Sqlsort.dll      
   07-Feb-2003  17:10  2000.80.765.0      45,644  Sqlvdi.dll       
   02-Oct-2003  07:29  2000.80.867.0      33,340  Ssmslpcn.dll     
   31-May-2003  11:31  2000.80.818.0      82,492  Ssnetlib.dll     
   31-May-2003  11:31  2000.80.818.0      25,148  Ssnmpn70.dll     
   27-Oct-2003  14:51  2000.80.873.0     123,456  Stardds.dll      
   31-May-2003  11:31  2000.80.818.0     158,240  Svrnetcn.dll     
   31-May-2003  05:29  2000.80.818.0      76,416  Svrnetcn.exe     
   30-Apr-2003  10:22  2000.80.816.0      45,132  Ums.dll          
   01-Jul-2003  10:49  2000.80.834.0      98,816  Xpweb70.dll      
Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

This problem was first corrected in Microsoft SQL Server 2000 Service Pack 4.

REFERENCES

For additional information about software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates


For additional information about inconsistent results, click the following article numbers to view the articles in the Microsoft Knowledge Base:

309450 FIX: Inconsistent results reported by TOP N using full-text CONTAINSTABLE

319610 FIX: You may receive unexpected results when you use a text column and an OR operator to combine criteria from multiple subqueries


Modification Type:MinorLast Reviewed:10/25/2005
Keywords:kbHotfixServer kbQFE kbQFE kbQuery kbSQLServ2000preSP4fix kbfix kbbug KB831675 kbAudDeveloper