Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Cannot change cursor column name
Message
 
 
À
12/01/2017 11:09:49
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
01646543
Message ID:
01646592
Vues:
28
>>>>
>>>>I am sure that VFP team will fix it in version 10.0 :).
>>>
>>>It's not a bug. The structure of cursors can not be modified by a program, tables' can.
>>>
>>
>>I am not saying it is a bug or not. But the fact is that you CAN change the structure of a cursor using ALTER TABLE CursorName when the column is not longer than 10 characters.
>>
>
>You are right, I should have rechecked and go deeper. As long as there are no extended field names, the cursor can be altered freely.
>
>For instance,
>
>
>CREATE CURSOR CursorName (D1 C(10), D2 C(10))
>ALTER TABLE CursorName RENAME D1 TO D1234567890
>
>
>is allowed, but
>
>
>CREATE CURSOR CursorName (D1 C(10), D2 C(10))
>ALTER TABLE CursorName RENAME D1 TO D1234567890
>ALTER TABLE CursorName RENAME D2 TO D_1234567890
>
>
>raises an error (on the second ALTER), and so does
>
>
>CREATE CURSOR CursorName (D1 C(10), D1234567890 C(10))
>ALTER TABLE CursorName RENAME D1 TO D2
>
Thank you for confirming this "limitation"
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
Précédent
Répondre
Fil
Voir

Click here to load this message in the networking platform