#1213 sp_BlitzFirst delta views - skip collections in the same minute

Closes #1213.

Author: BrentOzar

sp_BlitzFirst.sql

@@ -2668,7 +2668,7 @@ BEGIN
                 + 'INNER JOIN ' + @OutputSchemaName + '.' + @OutputTableNameFileStats + ' fPrior ON f.ServerName = fPrior.ServerName AND f.DatabaseID = fPrior.DatabaseID AND f.FileID = fPrior.FileID AND f.CheckDate > fPrior.CheckDate' + @LineFeed
                 + 'LEFT OUTER JOIN ' + @OutputSchemaName + '.' + @OutputTableNameFileStats + ' fMiddle ON f.ServerName = fMiddle.ServerName AND f.DatabaseID = fMiddle.DatabaseID AND f.FileID = fMiddle.FileID AND f.CheckDate > fMiddle.CheckDate AND fMiddle.CheckDate > fPrior.CheckDate' + @LineFeed
                 + 'WHERE fMiddle.ID IS NULL AND f.num_of_reads >= fPrior.num_of_reads AND f.num_of_writes >= fPrior.num_of_writes
-                    AND DATEDIFF(MI, fPrior.CheckDate, f.CheckDate) <= 60;'')'
+                    AND DATEDIFF(MI, fPrior.CheckDate, f.CheckDate) BETWEEN 1 AND 60;'')'
             EXEC(@StringToExecute);
             END
 
@@ -2773,10 +2773,11 @@ BEGIN
                 + ', p.cntr_value' + @LineFeed
                 + ', p.cntr_type' + @LineFeed
                 + ', (p.cntr_value - pPrior.cntr_value) AS cntr_delta' + @LineFeed
+                + ', (p.cntr_value - pPrior.cntr_value) * 1.0 / DATEDIFF(ss, pPrior.CheckDate, p.CheckDate) AS cntr_delta_per_second' + @LineFeed
                 + 'FROM ' + @OutputSchemaName + '.' + @OutputTableNamePerfmonStats + ' p' + @LineFeed
                 + 'INNER JOIN ' + @OutputSchemaName + '.' + @OutputTableNamePerfmonStats + ' pPrior ON p.ServerName = pPrior.ServerName AND p.object_name = pPrior.object_name AND p.counter_name = pPrior.counter_name AND p.instance_name = pPrior.instance_name AND p.CheckDate > pPrior.CheckDate' + @LineFeed
                 + 'LEFT OUTER JOIN ' + @OutputSchemaName + '.' + @OutputTableNamePerfmonStats + ' pMiddle ON p.ServerName = pMiddle.ServerName AND p.object_name = pMiddle.object_name AND p.counter_name = pMiddle.counter_name AND p.instance_name = pMiddle.instance_name AND p.CheckDate > pMiddle.CheckDate AND pMiddle.CheckDate > pPrior.CheckDate' + @LineFeed
-                + 'WHERE pMiddle.ID IS NULL AND DATEDIFF(MI, pPrior.CheckDate, p.CheckDate) <= 60;'')'
+                + 'WHERE pMiddle.ID IS NULL AND DATEDIFF(MI, pPrior.CheckDate, p.CheckDate) BETWEEN 1 AND 60;'')'
             EXEC(@StringToExecute);
             END;
 
@@ -2907,7 +2908,7 @@ BEGIN
                 + 'INNER JOIN ' + @OutputSchemaName + '.' + @OutputTableNameWaitStats + ' wPrior ON w.ServerName = wPrior.ServerName AND w.wait_type = wPrior.wait_type AND w.CheckDate > wPrior.CheckDate' + @LineFeed
                 + 'LEFT OUTER JOIN ' + @OutputSchemaName + '.' + @OutputTableNameWaitStats + ' wMiddle ON w.ServerName = wMiddle.ServerName AND w.wait_type = wMiddle.wait_type AND w.CheckDate > wMiddle.CheckDate AND wMiddle.CheckDate > wPrior.CheckDate' + @LineFeed
 				+ 'LEFT OUTER JOIN ' + @OutputSchemaName + '.' + @OutputTableNameWaitStats_Categories + ' wc ON w.wait_type = wc.WaitType' + @LineFeed
-                + 'WHERE wMiddle.ID IS NULL AND w.wait_time_ms >= wPrior.wait_time_ms AND DATEDIFF(MI, wPrior.CheckDate, w.CheckDate) <= 60;'')'
+                + 'WHERE wMiddle.ID IS NULL AND w.wait_time_ms >= wPrior.wait_time_ms AND DATEDIFF(MI, wPrior.CheckDate, w.CheckDate) BETWEEN 1 AND 60;'')'
             EXEC(@StringToExecute);
             END