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Question regarding Arrays
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À
05/03/2003 19:00:26
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00761881
Message ID:
00761886
Vues:
25
William,

The array will be resized and populited with new data if select statement returns at least one row. Otherwise array wil not be changed. Check _TALLY variable after select for number of records returned.
...
SELECT ... ;
    INTO ARRAY vaTest
IF _TALLY > 0 
  * Do some processing
ENDIF
...
>Hi,
>
>My question is Can an array which is created by a SELECT-SQL statement be refreshed with new data if the SELECT-SQL statement is re-ran, say from within a FOR loop? If not, how can this be done?
>
>FOR lnBrCount = 1 TO ALEN(laBranch,1)
>  SELECT Loaninfo.* ;
>  FROM Loancomm!loaninfo ;
>  WHERE Loaninfo.cbranch = laBranch[lnBrCount] 
AND MONTH(Loaninfo.dcommdate) = lnBrCount 
AND YEAR(Loaninfo.dcommdate) = gnType ;
>  GROUP BY 4 ;
>  ORDER BY Loaninfo.cbranch ;
>  INTO ARRAY vaTest
>ENDFOR
>
>I tried RELEASE vaTest after the FOR loop, so that the SELECT statement can recreate vaTest with the new data during the next instance of lnBrCount, but it seems that it doesn't redimension the array.
>
>Any suggestions are appreciated.
>
>Thank you,
--sb--
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