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ALTER TABLE gives error 2031
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06/10/2014 07:26:00
 
 
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
ALTER TABLE gives error 2031
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows 7
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01608825
Message ID:
01608825
Vues:
51
I have a program that runs in Unattended Mode using SYS(2335). Occasionally (this weekend 5 out of 56 runs) an ERROR 2031 occurs on an ALTER TABLE line, mostly the last one hereunder. Error 2031 is: User-interface operation not allowed at this time.

It is my impression that this is a VFP-error. In debugging mode it does not occur and the variable m.lcExportAlias is fine.

Can it be that I should use the full table name - DBF() - rather than the alias? Any other suggestion?
*  These are sections, not the whole code.
*
lcTMPFile  = m.P_TempDir + TempName() + '.DBF'
select * from EmpS0 into table "&lcTMPFile."
lcExportAlias = alias()

use in select( m.lcExportAlias )
use ( m.lcTMPFile ) exclusive		&& It is a TABLE, not a cursor!
lcExportAlias = alias()

alter table ( m.lcExportAlias ) ;
	drop mutdate ;
	drop muttime ;
	drop thesource

alter table ( m.lcExportAlias ) alter COLUMN reason C(15)

alter table ( m.lcExportAlias );
	add EmpName 	C( cnMAXLenForName );
	add EmpIndVol 	C( cnMAXLenForIndVol )

alter table ( m.lcExportAlias ) alter column empno C(5)
Groet,
Peter de Valença

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