[DATAFU-114] Make FirstTupleFromBag implement Accumulator

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.3.1
• Labels: easyfix newbie performance

Environment

All

• Assignee: Eyal Allweil
• Reporter: Eyal Allweil
• Created: 14/Jan/16 09:16
• Updated: 17/Feb/16 15:57
• Resolved: 16/Feb/16 19:34

Description

FirstTupleFromBag only needs the first tuple from the bag, but because it doesn't implement Accumulator the entire bag needs to be passed to it in-memory. The fix is very minor and will make the UDF support large bags.