Package org.apache.hadoop.hive.ql.optimizer.ppr

Class Summary

ExprProcCtx	The processor context for partition pruner.
ExprProcFactory	Expression processor factory for partition pruning.
ExprProcFactory.PPRColumnExprProcessor	Processor for ppr column expressions.
ExprPrunerInfo	The processor context for partition pruner.
OpProcFactory	Operator factory for partition pruning processing of operator graph We find all the filter operators that appear just beneath the table scan operators.
OpProcFactory.FilterPPR	Determines the partition pruner for the filter.
OpWalkerCtx	Context class for operator tree walker for partition pruner.
PartExprEvalUtils
PartitionExpressionForMetastore	The basic implementation of PartitionExpressionProxy that uses ql package classes.
PartitionPruner	The transformation step that does partition pruning.