org.apache.pig.newplan.logical.rules
Classes 
AddForEach
ColumnMapKeyPrune
ColumnPruneHelper
ColumnPruneVisitor
DuplicateForEachColumnRewrite
FilterAboveForeach
GroupByConstParallelSetter
ImplicitSplitInserter
InputOutputFileValidator
LimitOptimizer
LoadStoreFuncDupSignatureValidator
LoadTypeCastInserter
LogicalExpressionSimplifier
LogicalExpressionSimplifier.LogicalExpressionSimplifierTransformer
MapKeysPruneHelper
MapKeysPruneHelper.FullMapCollector
MapKeysPruneHelper.MapMarker
MergeFilter
MergeForEach
OptimizerUtils
PartitionFilterOptimizer
PushDownForEachFlatten
PushUpFilter
SplitFilter
StreamTypeCastInserter
TypeCastInserter
WholePlanRule