Information générale
Catégorie:
Codage, syntaxe et commandes
>I've noticed that although a record has been deleted,
>when you enter the item again, Foxpro still complains
>that the item already exists when item is primarily key.
>
>I was wondering if there is a way to allow the
>re-entry of a primary key item that has deleted.
Yes, you can: filter your primary key index on NOT DELETED(), and deleted records won't bother you. However, this has a drawback; since filtered indices won't be used by Rushmore, you will need to add a regular index on the same expression, so your queries can be optimised.
HTH!
Précédent
Suivant
Répondre
Voir le fil de ce thread
Voir le fil de ce thread à partir de ce message seulement
Voir tous les messages de ce thread
Voir tous les messages de ce thread à partir de ce message seulement