org.apache.tajo.plan.util

Class PlannerUtil.LogicalNodeReplaceVisitor

java.lang.Object

org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

org.apache.tajo.plan.util.PlannerUtil.LogicalNodeReplaceVisitor

All Implemented Interfaces:

LogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Enclosing class:

PlannerUtil

public static class PlannerUtil.LogicalNodeReplaceVisitor
extends BasicLogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Constructor Summary

Constructors

Constructor and Description
PlannerUtil.LogicalNodeReplaceVisitor(LogicalNode target, LogicalNode tobeReplaced)

Method Summary

Methods

Modifier and Type	Method and Description
LogicalNode	visit(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext context, LogicalPlan plan, LogicalPlan.QueryBlock block, LogicalNode node, Stack<LogicalNode> stack) visit visits each logicalNode recursively.
LogicalNode	visitPartitionedTableScan(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext context, LogicalPlan plan, LogicalPlan.QueryBlock block, PartitionedTableScanNode node, Stack<LogicalNode> stack)
LogicalNode	visitScan(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext context, LogicalPlan plan, LogicalPlan.QueryBlock block, ScanNode node, Stack<LogicalNode> stack)

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, visitProjection, visitRoot, 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.LogicalNodeReplaceVisitor

public PlannerUtil.LogicalNodeReplaceVisitor(LogicalNode target,
                                     LogicalNode tobeReplaced)

Method Detail

visit

public LogicalNode visit(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext 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<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Throws:

PlanningException

visitScan

public LogicalNode visitScan(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext context,
                    LogicalPlan plan,
                    LogicalPlan.QueryBlock block,
                    ScanNode node,
                    Stack<LogicalNode> stack)
                      throws PlanningException

Specified by:

visitScan in interface LogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Overrides:

visitScan in class BasicLogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Throws:

PlanningException

visitPartitionedTableScan

public LogicalNode visitPartitionedTableScan(org.apache.tajo.plan.util.PlannerUtil.ReplacerContext context,
                                    LogicalPlan plan,
                                    LogicalPlan.QueryBlock block,
                                    PartitionedTableScanNode node,
                                    Stack<LogicalNode> stack)
                                      throws PlanningException

Specified by:

visitPartitionedTableScan in interface LogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Overrides:

visitPartitionedTableScan in class BasicLogicalPlanVisitor<org.apache.tajo.plan.util.PlannerUtil.ReplacerContext,LogicalNode>

Throws:

PlanningException