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Complex index is this possible?
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01575993
Message ID:
01576014
Vues:
57
>I want to index a file on descending order of fields 1 and 2 but within that on ascending oder of fields 3 - how can I do this?
>
>I have tried this but it doesn't work
>
>index on dupkey+codex DESCENDING, COPYNO ASCENDING TAG docky
	create cursor xx ;
	(	dupkey		c(4), ;
		codex 		c(2), ;
		copyno		c(32) ;
	)
	
	insert into xx values ('abcd', '12', 'Copy No 421')
	insert into xx values ('bbcd', '12', 'Copy No 421')
	insert into xx values ('cbcd', '12', 'Copy No 421')
	insert into xx values ('cbcd', '12', 'Copy No 422')
	
	index on bitnot(cast(dupkey+codex as blob)) + copyno tag xx
Gregory
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