Package org.apache.pig.experimental.logical.rules

Class Summary
AddForEach  
ColumnMapKeyPrune This Rule prunes columns and map keys and set to loader.
ColumnPruneHelper Helper class used by ColumnMapKeyPrune to figure out what columns can be pruned.
FilterAboveForeach This Rule moves Filter Above Foreach.
MapKeysPruneHelper This filter Marks every Load Operator which has a Map with MAP_MARKER_ANNOTATION.
MapKeysPruneHelper.MapMarker This class collects all the information required to create the list of keys required for a map
MergeFilter  
PushUpFilter  
SplitFilter  
WholePlanRule Super class for all rules that operates on the whole plan.
 



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