Created
July 18, 2011 21:08
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interested to know how pig optimizes this statement
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| Does each MAX() get executed once or twice? | |
| max_buckets = foreach grouped_buckets | |
| generate group as reg | |
| , MAX(buckets.is_drive_by) as is_drive_by | |
| , MAX(buckets.involved) as is_involved | |
| , MAX(buckets.engaged) as is_engaged | |
| , MAX(buckets.is_drive_by) + MAX(buckets.involved) + MAX(buckets.engaged) as total; |
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