(NB originally reported on http://scn.sap.com/message/16127623 - that doesn't appear to be a very active forum :)

I've run into a serious problem after upgrading a client from Advantage v8 to v11, and would appreciate it if you could see what is causing this error, and hopefully come up with a fix for it.

I've been able to replicate the problem with a very small example:

Step 1:

Run this SQL to create table BAD.DBF:

/ Table Type of Bad.dbf is CDX/

Create Table Bad(
   PO Char( 9 ),
   GRADINGORD Numeric( 2 ,0 )

INSERT INTO "Bad" VALUES( 'X00259008', NULL );

Create Index PO on Bad( PO );
//Create Index DPONUM on Bad( );

The "Export table structure" utility in Arc32 doesn't cope with this next index expression, but it can be created manually in Arc32:

Step 2:

use Arc32 to manually create an index called "DPONUM", with the following index expression:


Step 3:

try to update the table by running the following SQL:

SET gradingord=6
WHERE po='X00259008';

Resulting error:

poQuery: Error 7200:  AQE Error:  State = HY000;   NativeError = 4004;  [iAnywhere Solutions][Advantage SQL][ASA] Error 4004:  Advantage Expression Engine evaluator stack overflow.

asked 31 Jul '15, 05:49

Doug%20Woodrow's gravatar image

Doug Woodrow
accept rate: 0%

I've found a fix for this problem:

Change the index expression to "Descend(SubStr(po,4,6))".

But I still find it worrying that ADS v11 is not fully backwards compatible with v8.


answered 31 Jul '15, 05:51

Doug%20Woodrow's gravatar image

Doug Woodrow
accept rate: 0%

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Asked: 31 Jul '15, 05:49

Seen: 1,787 times

Last updated: 31 Jul '15, 05:51

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