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sum()
Returns the sum of a numeric field.
Example - Calculate the Total Meeting Time
Suppose that you have a database of meeting information. Use sum() to see that the total time spent
meeting with each
account.
1q = load "Meetings";
2q = group q by 'Company';
3q = foreach q generate 'Company' as 'Company', sum('MeetingDuration') as 'sum_meetings';