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Can I add incremental counter in select statement
Message
De
19/11/2007 17:06:25
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows XP SP2
Network:
Windows 2003 Server
Database:
Visual FoxPro
Divers
Thread ID:
01269984
Message ID:
01270027
Vues:
15
>Is there a way to add an incremental count expression while using SELECT statement. For example, the statement below retrieves record into cursor:
>
>
>select firstname from sometable into cursor
>
>
>the data retrieved is;
>
>john
>susan
>mary
>etc..
>
>
>Is there a way to write the SELECT statement where I can add a number for each record retrieved. For example:
>
>the desired data I would like to retreive is the firstname column and incremental number column (I don't know how to add something in SELECT statement to create incremental numbers);
>
>name column    incremental number column
>john           1
>susan          2
>mary           3
>etc..          etc..
>
>
>is there anything I can add in the SELECT statment to get incremental number column. Thanks
>

If you were in VFP 9, you could do with a derived table:
SELECT *, RECNO() AS nCounter ;
  FROM (SELECT <your actual query>) RealData ;
  INTO CURSOR NumberedResult
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