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How do you know if a SQL select didn't select anything?
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00236234
Message ID:
00239508
Vues:
16
>>Question though. If I use laSelCats = NULL, won't that screw the reference, same as replace does?
>>
>
>No, it simply assigns a NULL to all array values in the array.
>
>>Also Barbara had mentioned problems with _TALLY and arrays. Anyone know what those problems are?
>
>I've only seen one - it's possible for a SELECT to return more elements than can be stored in the array given the constraints of memory use when the SELECT ran, the result being that the array contains fewer rows than indicated by _TALLY.


Thanks for the info. _TALLY seems to be working fine so far. The select only finds about a dozen records max, so memory shouldn't be a problem.
Roi
'MCP' Visual FoxPro

In Rome, there was a poem.
About a dog, who found two bone.
He lick the one, he lick the other.
He went pyscho, he drop dead!
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