Doug <[EMAIL PROTECTED]> wrote:
> SELECT ProcessID, count(1), sum(BytesProcessed)
> FROM FinishedWork
> WHERE EventTime > {20 minutes ago}
> GROUP BY ProcessID, FileName
>
> Unfortunately when a file is processed twice, it's counted twice (ie
> added into the sum twice) and I need to show only unique work, so I
> need to count each processID-FileName pair only once for the given
> timeframe.
Try this:
SELECT ProcessID, 1, BytesProcessed
FROM FinishedWork
WHERE RowId IN (
select RowId from FinishedWork
WHERE EventTime > {20 minutes ago}
GROUP BY ProcessID, FileName
);
Igor Tandetnik
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