FIX: SQL Server 2000 Service Pack 1 (SP1) and later builds may not generate an execution plan for a query, and you receive error message 8623

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Article ID: 838409 - View products that this article applies to.
Bug #: 471415 (SQL Server 8.0)
Microsoft SQL Server 2000 fixes are distributed 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.
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SYMPTOMS

When all the following conditions are true, SQL Server 2000 Service Pack 1 (SP1) and later builds may not generate an execution plan for a query:
  • The query contains a UNION statement to concatenate the results of two queries.
  • One of the queries has hard-coded return values in the select list that are typed to match the select list of the other query by using the Convert function or the Cast function.
You receive the following error message:
Server: Msg 8623, Level 16, State 1, Line 1
Internal Query Processor Error: The query processor could not produce a query plan. Contact your primary support provider for more information.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For more 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 hotfix has the file attributes (or later file attributes) 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.

Note A 64-bit version of this hotfix is also available.

IA-64


   Date         Time   Version            Size    File name
   -------------------------------------------------------------------------
   28-Apr-2004  01:30  2000.80.936.0      56,832  Dbmslpcn.dll     
   10-Oct-2003  18:48                      1,581  Inst_repl_hotfix.sql
   28-Apr-2004  01:30  2000.80.936.0     185,856  Msgprox.dll      
   28-Apr-2004  01:30  2000.80.936.0     150,528  Odsole70.dll     
   28-Apr-2004  01:30  2000.80.936.0     148,992  Osql.exe         
   27-Apr-2004  18:31                  1,104,848  Replmerg.sql
   28-Apr-2004  01:30  2000.80.936.0     534,016  Replprov.dll     
   28-Apr-2004  01:30  2000.80.936.0     769,024  Replrec.dll      
   28-Apr-2004  01:30  2000.80.936.0     160,768  Semmap.dll       
   28-Apr-2004  01:30  2000.80.936.0      32,256  Sqlctr80.dll     
   28-Apr-2004  01:30  2000.80.936.0  13,845,504  Sqldmo.dll       
   28-Apr-2004  01:30                     39,936  Sqldumper.exe    
   28-Apr-2004  01:30  2000.80.936.0      23,040  Sqlmap70.dll     
   28-Apr-2004  01:30  2000.80.936.0     152,064  Sqlrepss.dll     
   28-Apr-2004  01:30  2000.80.936.0  24,961,024  Sqlservr.exe     
   28-Apr-2004  01:30                 20,941,824  Sqlservr.pdb
   28-Apr-2004  01:30  2000.80.936.0     120,320  Sqlvdi.dll       
   28-Apr-2004  01:30  2000.80.936.0      53,760  Ssmslpcn.dll     
   28-Apr-2004  01:30  2000.80.936.0     254,976  Ssnetlib.dll     
   28-Apr-2004  01:30  2000.80.936.0      20,992  Ssnmpn70.dll     
   28-Apr-2004  01:30  2000.80.936.0     430,080  Svrnetcn.dll     
   28-Apr-2004  01:30  2000.80.936.0     185,856  Svrnetcn.exe     
   28-Apr-2004  01:30  2000.80.936.0     187,392  Xpweb70.dll      


x86


   Date         Time   Version            Size    File name
   ----------------------------------------------------------------------
   27-Apr-2004  18:03  2000.80.936.0     664,128  Autoplt.dll      
   27-Apr-2004  18:03  2000.80.936.0      78,400  Console.exe      
   27-Apr-2004  18:03  2000.80.936.0     315,968  Custtask.dll     
   27-Apr-2004  18:03  2000.80.936.0      33,340  Dbmslpcn.dll     
   08-Apr-2004  21:42                    786,432  Distmdl.ldf
   08-Apr-2004  21:42                  2,359,296  Distmdl.mdf
   10-Oct-2003  18:48                        180  Drop_repl_hotfix.sql
   27-Apr-2004  18:03  2000.80.936.0   1,905,216  Dtspkg.dll       
   27-Apr-2004  18:03  2000.80.936.0     528,960  Dtspump.dll      
   27-Apr-2004  18:03  2000.80.936.0   1,557,052  Dtsui.dll        
   27-Apr-2004  18:03  2000.80.936.0     639,552  Dtswiz.dll       
   10-Oct-2003  18:48                    747,927  Instdist.sql
   10-Oct-2003  18:48                      1,581  Inst_repl_hotfix.sql
   27-Apr-2004  18:03  2000.80.936.0      82,492  Itwiz.exe        
   27-Apr-2004  18:03  2000.80.936.0      90,692  Msgprox.dll      
   27-Apr-2004  18:03  2000.80.936.0      62,024  Odsole70.dll     
   27-Apr-2004  18:04  2000.80.936.0      25,144  Opends60.dll     
   27-Apr-2004  18:04                     82,944  Opends60.pdb
   27-Apr-2004  18:03  2000.80.936.0      57,904  Osql.exe         
   27-Apr-2004  18:03  2000.80.936.0     279,104  Pfutil80.dll     
   10-Oct-2003  18:37                    550,780  Procsyst.sql
   08-Apr-2004  21:42                     12,305  Qfe469315.sql
   08-Apr-2004  21:42                     19,195  Qfe469571.sql
   27-Apr-2004  16:54                  1,104,848  Replmerg.sql
   27-Apr-2004  18:03  2000.80.936.0     221,768  Replprov.dll     
   27-Apr-2004  18:03  2000.80.936.0     307,784  Replrec.dll      
   27-Apr-2004  17:02  2000.80.936.0     159,813  Replres.rll
   10-Oct-2003  18:48                  1,087,150  Replsys.sql
   10-Oct-2003  18:48                    986,603  Repltran.sql
   27-Apr-2004  18:03  2000.80.936.0     287,304  Rinitcom.dll     
   27-Apr-2004  18:03  2000.80.936.0      66,112  Semmap.dll       
   27-Apr-2004  18:03  2000.80.936.0      57,916  Semnt.dll        
   27-Apr-2004  18:03  2000.80.936.0     492,096  Semobj.dll       
   27-Apr-2004  17:30  2000.80.936.0     172,032  Semobj.rll
   27-Apr-2004  18:03  2000.80.936.0      53,832  Snapshot.exe     
   12-Mar-2004  03:10                    117,834  Sp3_serv_uni.sql
   27-Apr-2004  18:02  2000.80.936.0      28,672  Sqlagent.dll     
   27-Apr-2004  18:03  2000.80.936.0     311,872  Sqlagent.exe     
   27-Apr-2004  18:02  2000.80.936.0     168,001  Sqlakw32.dll     
   27-Apr-2004  18:03  2000.80.936.0      33,344  Sqlctr80.dll     
   27-Apr-2004  18:03  2000.80.936.0   4,215,360  Sqldmo.dll       
   27-Apr-2004  18:03                     25,172  Sqldumper.exe    
   27-Apr-2004  16:52  2000.80.936.0      28,672  Sqlevn70.rll
   27-Apr-2004  18:03  2000.80.936.0     180,792  Sqlmap70.dll     
   27-Apr-2004  18:03  2000.80.936.0     188,992  Sqlmmc.dll       
   27-Apr-2004  17:31  2000.80.936.0     479,232  Sqlmmc.rll
   27-Apr-2004  18:03  2000.80.936.0     401,984  Sqlqry.dll       
   27-Apr-2004  18:03  2000.80.936.0      57,920  Sqlrepss.dll     
   27-Apr-2004  18:04  2000.80.936.0   7,581,777  Sqlservr.exe     
   27-Apr-2004  18:04                 13,050,880  Sqlservr.pdb
   27-Apr-2004  18:03  2000.80.936.0     590,396  Sqlsort.dll      
   27-Apr-2004  18:03  2000.80.936.0      45,644  Sqlvdi.dll       
   27-Apr-2004  18:03  2000.80.936.0     106,588  Sqsrvres.dll     
   27-Apr-2004  18:03  2000.80.936.0      33,340  Ssmslpcn.dll     
   27-Apr-2004  18:03  2000.80.936.0      82,492  Ssnetlib.dll     
   27-Apr-2004  18:03  2000.80.936.0      25,148  Ssnmpn70.dll     
   27-Apr-2004  18:03  2000.80.936.0     123,456  Stardds.dll      
   27-Apr-2004  18:03  2000.80.936.0     158,240  Svrnetcn.dll     
   27-Apr-2004  18:03  2000.80.936.0      76,416  Svrnetcn.exe     
   27-Apr-2004  18:04  2000.80.936.0      49,228  Ums.dll          
   27-Apr-2004  18:04                    132,096  Ums.pdb
   27-Apr-2004  18:03  2000.80.936.0      98,872  Xpweb70.dll      


Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.

SQL Server startup parameter

Note After you apply this hotfix, you must also add trace flag 9054. To do this, follow these steps:
  1. In SQL Server Enterprise Manager, right-click your SQL Server name, and then click Properties.
  2. In the SQL Server Properties (Configure) - SQL Server Name dialog box, click the General tab.
  3. On the General tab, click Startup Parameters.
  4. In the Startup Parameters - SQL Server Name dialog box, type "-T9054" (without the quotation marks) in the Parameter text box.
  5. Click Add, and then click OK.
  6. In the Startup Parameters - SQL Server Name dialog box, click OK.
  7. Restart the SQL Server service for the new startup parameter to take effect.

WORKAROUND

To work around this problem for an individual query, use either of the following methods:
  • Use a UNION ALL statement instead of a UNION statement.
  • Set the data type of the constant values by using something other than the Convert function or the Cast function because the other query sets the data type.

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.

MORE INFORMATION

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

Properties

Article ID: 838409 - Last Review: November 2, 2007 - Revision: 3.3
APPLIES TO
  • Microsoft SQL Server 2000 Service Pack 1
  • Microsoft SQL Server 2000 Service Pack 1
  • Microsoft SQL Server 2000 Service Pack 1
  • Microsoft SQL Server 2000 Service Pack 1
  • Microsoft SQL Server 2000 Service Pack 1
  • Microsoft SQL Server 2000 Desktop Engine (MSDE) SP1
  • Microsoft SQL Server 2000 Service Pack 2
  • Microsoft SQL Server 2000 Service Pack 2
  • Microsoft SQL Server 2000 Service Pack 2
  • Microsoft SQL Server 2000 Service Pack 2
  • Microsoft SQL Server 2000 Service Pack 2
  • Microsoft SQL Server 2000 Desktop Engine (MSDE) SP2
  • Microsoft SQL Server 2000 Service Pack 3
  • Microsoft SQL Server 2000 Service Pack 3
  • Microsoft SQL Server 2000 Service Pack 3
  • Microsoft SQL Server 2000 Personal Edition Service Pack 3
  • Microsoft SQL Server 2000 Service Pack 3
  • Microsoft SQL Server 2000 Desktop Engine (MSDE) SP3
  • Microsoft SQL Server 2000 Developer Edition SP3a
  • Microsoft SQL Server 2000 Standard Edition
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft SQL Server 2000 Personal Edition SP3a
  • Microsoft SQL Server 2000 Enterprise Evaluation Edition
  • Microsoft SQL Server 2000 Desktop Engine (MSDE) SP3a
  • Microsoft SQL Server 2000, Workgroup Edition
  • Microsoft SQL Server 2000 Developer Edition
  • Microsoft SQL Server 2000 Enterprise Edition 64-bit
Keywords: 
kbsqlserv2000presp4fix kbfix kbbug kbhotfixserver kbqfe KB838409

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