>>>>The variable _tally indicates if SQL Select found any records. However, if the SQL Select has SUM() function _tally returns value of 1, even though there were no records matching WHERE.
>>>>
>>>>What do you recommend to use, instead of _tally, to check if SQL Select found records?
>>>>
>>>>Thank you.
>>>
>>>Add one column, count(1) as nTally.
>>
>>I will think about this, although, this may slow the query (maybe not significantly though). I found a solution, I think. The resulting value of SUM() function has NULL if no records match the WHERE clause.
>
>This is not true.
>
Can you please explain what you mean by "not true"?
Thank you.
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