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Ran 20 Sep 2019 09:38AM UTC

Files 1068

Run time 1min

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Committed 20 Sep 2019 09:38AM UTC coverage: 78.471% (+0.008%) from 78.463%

Job # 1952.1

Build Type

push

jenkins

Committed by kunal642

Commit Message

[CARBONDATA-3489] Optimized the comparator instances in sort

Root cause: In case of sorting in the comparator classes(NewRowComparator,
RawRowComparator, IntermediateSortTempRowComparator and UnsafeRowComparator)
a new SerializableComparator  object is been created in the compare method
everytime two objects are passed for comparison.

Solution: We can reduce the number of SerializeableComparator objects
that are been created by storing the SerializeableComparators of
primitive datatypes in a map and getting it from the map instead of
creating a new SerializeableComparator everytime.

This closes #3354

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