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How to combine two cursors?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9
Divers
Thread ID:
01411721
Message ID:
01411870
Vues:
44
>>The solution was as following:
>>
>>
>>if reccount("MyCursor1") > reccount("MyCursor2")
>>    select MyCursor1.* from MyCursor1 LEFT JOIN MyCursor2 on MyCursor1.ID = MyCursor2.ID INTO MyCursor3
>>else
>>   select MyCursor2.* from MyCursor2 LEFT JOIN MyCursor1 on MyCursor1.ID = MyCursor2.ID INTO MyCursor3
>>endif
>>
>
>You realize that with this solution you don't really combine records, you end up with the cursor having most records.
>
>Unless, of course, ID field is not unique in these cursors.

The ID is unique. And you are right. There is a flaw in my flaw in my approach. I wonder if use FULL JOIN if it works then.
"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
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