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>A SQL-Select into a cursor will not create an empty cursor if no records match your criteria. Any actions upon the non-existing cursor will produce errors.>
>That's not true. SQL-Select creates cursor always, even when zero records are returned.
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>I use _tally after the select to determine if a cursor was created but, elseware in the application I need to perform actions upon the cursor but, I don't know a command in Foxpro to ask "Does the cursor exist at all?", like type() for memory varibles. Can anyone help?Sergey,
You're right on this one. I guess John does a SQL-Select into an array. In that case, suppose the array name is laResult, then this test might be performed.
if type( 'laResult[1]' ) # 'U'
endif
One might also declare the array in advance, just to prevent problems due to its non-existence.
Groet,
Peter de Valença
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