Microsoft KB Archive/151114

= BUG: Update of Text Field Using CASE Can Generate AV =

Article ID: 151114

Article Last Modified on 10/16/2003

-

APPLIES TO


 * Microsoft SQL Server 6.0 Standard Edition
 * Microsoft SQL Server 6.5 Standard Edition

-



This article was previously published under Q151114



BUG#: 15176



SYMPTOMS
If you update a text field using a CASE in the UPDATE statement, an access violation is generated.



WORKAROUND
Avoid using CASE in UPDATE statements that modify text columns.



STATUS
Microsoft has confirmed this to be a problem in Microsoft SQL Server versions 6.0 and 6.5. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



MORE INFORMATION
The following scenario will demonstrate this problem.

create table tbl1(col1 int null, col2 text null, col3 int) go insert into tbl1 values (1, 'hello', 1) go update tbl1 set col2 = case when (col1 is null) then col2 else null end

Additional query words: sql6

Keywords: kbbug kbprogramming KB151114

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.