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You tried to assign the null value to a variable that is not a variant data type.

Posted on 2013-05-22
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Last Modified: 2013-06-13
I am trying to change a value from “01                 ” to “                    “  using either MS Access 2003 or SQL Server Management Studio 2008.

The MS Access SQL:

UPDATE PRODDTA_F41021 SET PRODDTA_F41021.LILOCN = "                    " 
WHERE (((PRODDTA_F41021.LIITM)=989955) AND ((PRODDTA_F41021.LIPBIN)="P"));

The SQL Server 2008 Management Studio SQL:

UPDATE PRODDTA.F41021 SET PRODDTA.F41021.LILOCN = '                    ' WHERE (((PRODDTA.F41021.LIITM)=989955) AND ((PRODDTA.F41021.LIPBIN)='P'));

I get this error:

Msg 2627, Level 14, State 1, Line 1
Violation of PRIMARY KEY constraint 'F41021_PK'. Cannot insert duplicate key in object 'PRODDTA.F41021'. The duplicate key value is (989955,        24101,                     ,                               ).
The statement has been terminated.

I know it can be done because the field, LILOCN, already contains the ‘Blank Values’ of "                    " in many places.

Here is the design speck for the field:

      Field      Description      Type      Length      Decimals      DataItem
      LILOCN      Location      String      20      Location

Somehow, I gotta’ figure out how to do this. Any suggestions?

Tw
SQL-Error.xls
You-tried-to-assign-the-null-val.doc
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Question by:Tom Winslow
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Accepted Solution

by:
Jim Horn earned 500 total points
ID: 39187954
<wild guess>
Check your PRODDTA.F41021 table for any triggers, as if you run an UPDATE query it wouldn't be INSERTing rows unless there's an update trigger with code that performs an INSERT.
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Author Comment

by:Tom Winslow
ID: 39188454
No triggers that I can find.

tw
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Author Closing Comment

by:Tom Winslow
ID: 39245663
I used your suggestion to find my own solution.
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