org.apache.tajo.plan.util

Class PlannerUtil.RelationFinderVisitor

java.lang.Object

org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor<Object,LogicalNode>

org.apache.tajo.plan.util.PlannerUtil.RelationFinderVisitor

All Implemented Interfaces:

LogicalPlanVisitor<Object,LogicalNode>

Enclosing class:

PlannerUtil

public static class PlannerUtil.RelationFinderVisitor
extends BasicLogicalPlanVisitor<Object,LogicalNode>

Constructor Summary

Constructors

Constructor and Description
PlannerUtil.RelationFinderVisitor()

Method Summary

Methods

Modifier and Type	Method and Description
Set<String>	getFoundRelations()
LogicalNode	visit(Object context, LogicalPlan plan, LogicalPlan.QueryBlock block, LogicalNode node, Stack<LogicalNode> stack) visit visits each logicalNode recursively.

Methods inherited from class org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor

postHook, preHook, visit, visitAlterTable, visitAlterTablespace, visitCreateDatabase, visitCreateTable, visitDistinctGroupby, visitDropDatabase, visitDropTable, visitEvalExpr, visitExcept, visitFilter, visitGroupBy, visitHaving, visitInsert, visitIntersect, visitJoin, visitLimit, visitPartitionedTableScan, visitProjection, visitRoot, visitScan, visitSetSession, visitSort, visitStoreTable, visitTableSubQuery, visitTruncateTable, visitUnion, visitWindowAgg

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PlannerUtil.RelationFinderVisitor

public PlannerUtil.RelationFinderVisitor()

Method Detail

getFoundRelations

public Set<String> getFoundRelations()

visit

public LogicalNode visit(Object context,
                LogicalPlan plan,
                @Nullable
                LogicalPlan.QueryBlock block,
                LogicalNode node,
                Stack<LogicalNode> stack)
                  throws PlanningException

Description copied from class: BasicLogicalPlanVisitor

visit visits each logicalNode recursively.

Overrides:

visit in class BasicLogicalPlanVisitor<Object,LogicalNode>

Throws:

PlanningException