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

Class Summary

Class	Description
ExprProcCtx	The processor context for the lineage information.
ExprProcFactory	Expression processor factory for lineage.
ExprProcFactory.ColumnExprProcessor	Processor for column expressions.
ExprProcFactory.DefaultExprProcessor	Processor for constants and null expressions.
ExprProcFactory.GenericExprProcessor	Processor for any function or field expression.
Generator	This class generates the lineage information for the columns and tables from the plan before it goes through other optimization phases.
LineageCtx	This class contains the lineage context that is passed while walking the operator tree in Lineage.
LineageCtx.Index
OpProcFactory	Operator factory for the rule processors for lineage.
OpProcFactory.DefaultLineage	Default processor.
OpProcFactory.GroupByLineage	Processor for GroupBy operator.
OpProcFactory.JoinLineage	Processor for Join Operator.
OpProcFactory.LateralViewJoinLineage	Processor for Join Operator.
OpProcFactory.ReduceSinkLineage	ReduceSink processor.
OpProcFactory.SelectLineage	Processor for Select operator.
OpProcFactory.TableScanLineage	Processor for TableScan Operator.
OpProcFactory.TransformLineage	Processor for Script and UDTF Operators.
OpProcFactory.UnionLineage	Union processor.