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Ran 26 Aug 2018 07:39PM UTC

Files 991

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Committed 26 Aug 2018 07:39PM UTC coverage: 75.541% (-5.1%) from 80.674%

Job # 914.1

Build Type

push

jenkins

Committed by ravipesala

Commit Message

[HOTFIX]Fixed Join Query Performance issue

Problem
Join Query is taking for time in case of carbon as for some of the Join Query it is not reusing the exchange plan(Scanning+Snuffle) this is because in ReuseExchange it checking same result of two plan is same or not, in case of carbon it always giving false as SparkCarbonTable equals method is not overridden and comparison is failing.

Solution: Added equals method in SparkCarbonTableFormat

Tested TPCH query
Query:
select c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) from customer, orders, lineitem where o_orderkey in ( select l_orderkey from lineitem group by l_orderkey having sum(l_quantity) > 300 ) and c_custkey = o_custkey and o_orderkey = l_orderkey group by c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice order by o_totalprice desc, o_orderdate;

This closes #2650

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