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FYI; Problem with PADL; .NULL. in SELECT SQL
Message
De
22/06/2009 13:32:25
Cetin Basoz
Engineerica Inc.
Izmir, Turquie
 
 
À
22/06/2009 06:27:14
Lutz Scheffler
Lutz Scheffler Software Ingenieurbüro
Dresden, Allemagne
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP2
Divers
Thread ID:
01407500
Message ID:
01407633
Vues:
50
>Hi All,
>
>this is for your information, you might confirm as well.
>
>Version mentioned is just the highest, I can follow the problem down to VFP 7.0
>
>Following construct:
>
>CREATE CURSOR curTest (i1 I NULL)
>
>INSERT INTO curTest VALUES (.NULL.)
>delete
>INSERT INTO curTest VALUES (1)
>INSERT INTO curTest VALUES (20)
>
>SELECT PADR(i1,11) FROM curTest
>
>Result is
>
>1
>2
>
>Table structure of result shows that the result contains one char field of lenght 1 (instead of 11)
>
>Some experiments with WHERE, NVL, JOIN allways return the same.
>
>It does not matter if the record is deleted or not, only factor is that it is the first one.
>
>Update
>Other approaches like CAST or BINTOC will solve my problem (I need a character version of a interger surrogate key for a combobox)
>
>Agnes


Agnes,
IMHO that is a bug.

I wouldn't use a character translation for a combobox but directly the cursor itself as a rowsource and alias.field as the value. If you use alias.field you don't need a conversion.
Cetin
Çetin Basöz

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