org.apache.tajo.plan

Class LogicalOptimizer.JoinOrderStringBuilder

java.lang.Object

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

org.apache.tajo.plan.LogicalOptimizer.JoinOrderStringBuilder

All Implemented Interfaces:

LogicalPlanVisitor<StringBuilder,LogicalNode>

Enclosing class:

LogicalOptimizer

public static class LogicalOptimizer.JoinOrderStringBuilder
extends BasicLogicalPlanVisitor<StringBuilder,LogicalNode>

Constructor Summary

Constructors

Constructor and Description
LogicalOptimizer.JoinOrderStringBuilder()

Method Summary

Methods

Modifier and Type	Method and Description
static String	buildJoinOrderString(LogicalPlan plan, LogicalPlan.QueryBlock block)
static LogicalOptimizer.JoinOrderStringBuilder	getInstance()
LogicalNode	visitJoin(StringBuilder sb, LogicalPlan plan, LogicalPlan.QueryBlock block, JoinNode joinNode, Stack<LogicalNode> stack)
LogicalNode	visitScan(StringBuilder sb, LogicalPlan plan, LogicalPlan.QueryBlock block, ScanNode node, Stack<LogicalNode> stack)
LogicalNode	visitTableSubQuery(StringBuilder sb, LogicalPlan plan, LogicalPlan.QueryBlock block, TableSubQueryNode node, Stack<LogicalNode> stack)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

LogicalOptimizer.JoinOrderStringBuilder

public LogicalOptimizer.JoinOrderStringBuilder()

Method Detail

getInstance

public static LogicalOptimizer.JoinOrderStringBuilder getInstance()

buildJoinOrderString

public static String buildJoinOrderString(LogicalPlan plan,
                          LogicalPlan.QueryBlock block)
                                   throws PlanningException

Throws:

PlanningException

visitJoin

public LogicalNode visitJoin(StringBuilder sb,
                    LogicalPlan plan,
                    LogicalPlan.QueryBlock block,
                    JoinNode joinNode,
                    Stack<LogicalNode> stack)
                      throws PlanningException

Specified by:

visitJoin in interface LogicalPlanVisitor<StringBuilder,LogicalNode>

Overrides:

visitJoin in class BasicLogicalPlanVisitor<StringBuilder,LogicalNode>

Throws:

PlanningException

visitTableSubQuery

public LogicalNode visitTableSubQuery(StringBuilder sb,
                             LogicalPlan plan,
                             LogicalPlan.QueryBlock block,
                             TableSubQueryNode node,
                             Stack<LogicalNode> stack)

Specified by:

visitTableSubQuery in interface LogicalPlanVisitor<StringBuilder,LogicalNode>

Overrides:

visitTableSubQuery in class BasicLogicalPlanVisitor<StringBuilder,LogicalNode>

visitScan

public LogicalNode visitScan(StringBuilder sb,
                    LogicalPlan plan,
                    LogicalPlan.QueryBlock block,
                    ScanNode node,
                    Stack<LogicalNode> stack)

Specified by:

visitScan in interface LogicalPlanVisitor<StringBuilder,LogicalNode>

Overrides:

visitScan in class BasicLogicalPlanVisitor<StringBuilder,LogicalNode>