Package org.apache.tajo.plan

Class Summary

Class	Description
ExprAnnotator	ExprAnnotator makes an annotated expression called EvalNode from an Expr.
LogicalOptimizer	This class optimizes a logical plan.
LogicalOptimizer.JoinCostComputer
LogicalOptimizer.JoinOrderStringBuilder
LogicalPlan	This represents and keeps every information about a query plan for a query.
LogicalPlan.BlockEdge
LogicalPlanner	This class creates a logical plan from a nested tajo algebra expression (org.apache.tajo.algebra)
LogicalPlanner.PlanContext
LogicalPlanPreprocessor	It finds all relations for each block and builds base schema information.
NamedExprsManager	NamedExprsManager manages an expressions used in a query block.
PlanString
Target	A Target contains how to evaluate an expression and its alias name.
TypeDeterminant

Enum Summary

Enum	Description
LogicalPlan.BlockType

Exception Summary

Exception	Description
IllegalQueryStatusException
InvalidQueryException
PlanningException