Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Vfp50 - Set Filter
Message
De
12/03/1997 09:53:37
 
 
À
12/03/1997 09:50:52
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00023736
Message ID:
00023884
Vues:
33
>>>>>How would you do the same for a "where" clause?
>>>>
>>>>SET FILTER doesn't have 'where' clause.
>>>
>>>ok... Question - there are two ways to filter out records.
>>>
>>>1. select...into cursor, then use that cursor for you filter.
>>>2. set filter on some records.
>>>
>>>I am picking the first way for now..my "where" clause is a string
>>>I built from a user's "search criteria" off of a form. Now I want to fire off the select and get my new cursor with the records I want to display.
>>>My questions is:
>>>Will the "where" clause search for upper and/or lower case if I only specify in my "where" clause, the field content, which could be upper or lower? If so, how? If I am wrong about "1 and 2" let me know...
>>
>>Where clause could be the same: UPPER(last_name)="SMITH", but remember to have index tag on UPPER(last_name), else your SELECT is not optimizable.
>
>
>Not sure what you mean by (else your SELECT is not optimizable)?? and
>Do you use an index tag when using the SELECT SQL?

Not me. Foxpro will use this tag internally.
Edward Pikman
Independent Consultant
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform