[SPARK-23799][SQL] FilterEstimation.evaluateInSet produces devision by zero in a case of empty table with analyzed statistics#21052

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mshtelma wants to merge 6 commits intoapache:masterfrom mshtelma:filter_estimation_evaluateInSet_Bugs

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Commits on Apr 12, 2018

During evaluation of IN conditions, if the source table is empty, division by zero can occur. In order to fix this, check was added.
Mykhailo Shtelma
committed
Added test case for the the following situation: During evaluation of IN conditions, if the source table is empty, division by zero can occur. In order to fix this, check was added.
Mykhailo Shtelma
committed
If an empty dataframe (because of some conditions in parent query, which were not satisfied) is queried and CBO is turned on, wrong statistics is used, which leads to ClassCastException in FilterEs…
Mykhailo Shtelma
committed

Commits on Apr 13, 2018

1)CBOSuite was moved to StatisticsCollectionSuite
mshtelma
committed

Commits on Apr 21, 2018

minor fixes
Mykhailo Shtelma
committed
minor fixes
Mykhailo Shtelma
committed