Package org.apache.hadoop.hive.ql.optimizer.calcite.cost

Interface Summary

Interface	Description
HiveCostModel.JoinAlgorithm	Interface for join algorithm.

Class Summary

Class	Description
HiveAlgorithmsConf
HiveAlgorithmsUtil
HiveCost	NOTE: 1.
HiveCostModel	Cost model interface.
HiveDefaultCostModel	Default implementation of the cost model.
HiveDefaultCostModel.DefaultJoinAlgorithm	Default join algorithm.
HiveOnTezCostModel	Cost model for Tez execution engine.
HiveOnTezCostModel.TezBucketJoinAlgorithm	BUCKET_JOIN is a hash joins where one bucket of the non streaming tables is kept in memory at the time.
HiveOnTezCostModel.TezCommonJoinAlgorithm	COMMON_JOIN is Sort Merge Join.
HiveOnTezCostModel.TezMapJoinAlgorithm	MAP_JOIN a hash join that keeps the whole data set of non streaming tables in memory.
HiveOnTezCostModel.TezSMBJoinAlgorithm	SMB_JOIN is a Sort Merge Join.
HiveRelMdCost	HiveRelMdCost supplies the implementation of cost model.
HiveVolcanoPlanner	Refinement of VolcanoPlanner for Hive.