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Index a Cursor????
Message
De
16/11/1998 23:41:40
 
 
À
16/11/1998 06:08:54
Man Wai Chang
Hang Hing Metal Manufacturer
Hung Hom, Hong Kong
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00156617
Message ID:
00158135
Vues:
44
>If you index the cursor BEFORE re-opening it as
>a writable cursor, then the index plus the cursor
>will be deleted automatically! That is,
>
> create cursor C_XXX ...
> index on cfield1 tag cfield1
> m.dbf = dbf()
> use (m.dbf) again in 0 shared alias C_YYY
> use in C_XXX
> select C_YYY
> index on cfield2 tag cfield2
> index on cfield3 tag cfield3
> ....
>
>The SEQUENCE of actions is critical. Build at least
>one index before you re-open will guarantee FoxPro
>to delete them automatically.
>
>I think Visual FoxPro should behave like Foxpro
>2.6.

That's very important information - thanks for that! I just knew they weren't always deleted automatically and always programmed for it (ERASE doesn't give an error if the file doesn't exist).
Again, thanks
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