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How to select out latest generations of routes
Message
From
19/12/2005 12:48:12
Cetin Basoz
Engineerica Inc.
Izmir, Turkey
 
 
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 7 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01079188
Message ID:
01079241
Views:
15
>Sergey/Cetin
>
>The following MB SQL does manage to get the data I want, in the correct order. Problem is it still gets all gen's for those routes that have more than one. I just can't figure out how to get rid of the "older" gens.
>
>
>Select Rte_No, MAX( ASC( Rte_Let)) "maxGen", Directn, Stop, SeqNo, Time, RunOrder
>  from RZStop
>  where Zone = 1
>  into csrZonesServices NoSelect
>  group by rte_no, maxGen, stop
>  order by Rte_No, Stop, maxGen, Directn, SeqNo
>
>
>I have to ASC() the gen in order to MAX() itr as MAX() only works on numerical fields in MB.
>
>Terry

I prefer to say 'no way' :) Probably it doesn't support having clause (as if I can think what to add if that did:)
Cetin
Çetin Basöz

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