com.cloudera.impala.planner.PlannerContext Class Reference

Collaboration diagram for com.cloudera.impala.planner.PlannerContext:

Public Member Functions
	PlannerContext (AnalysisContext.AnalysisResult analysisResult, TQueryCtx queryCtx)
QueryStmt	getQueryStmt ()
TQueryCtx	getQueryCtx ()
TQueryOptions	getQueryOptions ()
AnalysisContext.AnalysisResult	getAnalysisResult ()
Analyzer	getRootAnalyzer ()
boolean	isSingleNodeExec ()
PlanNodeId	getNextNodeId ()
PlanFragmentId	getNextFragmentId ()
boolean	isInsertOrCtas ()

Static Public Attributes
static final double	HASH_TBL_SPACE_OVERHEAD = 1.1
static final double	SORT_MEM_MAX_FRACTION = 0.80

Private Attributes
final IdGenerator< PlanNodeId >	nodeIdGenerator_ = PlanNodeId.createGenerator()
final IdGenerator< PlanFragmentId >	fragmentIdGenerator_
final TQueryCtx	queryCtx_
final AnalysisContext.AnalysisResult	analysisResult_
final QueryStmt	queryStmt_

Detailed Description

Contains the analysis result of a query as well as planning-specific parameters and state such as plan-node and plan-fragment id generators.

Definition at line 28 of file PlannerContext.java.

Constructor & Destructor Documentation

com.cloudera.impala.planner.PlannerContext.PlannerContext ( AnalysisContext.AnalysisResult  analysisResult, TQueryCtx  queryCtx  )

inline

Definition at line 44 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.analysisResult_, com.cloudera.impala.planner.PlannerContext.getQueryStmt(), com.cloudera.impala.planner.PlannerContext.isInsertOrCtas(), com.cloudera.impala.planner.PlannerContext.queryCtx_, and com.cloudera.impala.planner.PlannerContext.queryStmt_.

Member Function Documentation

AnalysisContext.AnalysisResult com.cloudera.impala.planner.PlannerContext.getAnalysisResult ( )

inline

Definition at line 60 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.analysisResult_.

PlanFragmentId com.cloudera.impala.planner.PlannerContext.getNextFragmentId ( )

inline

Definition at line 64 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.DistributedPlanner.createHashJoinFragment(), com.cloudera.impala.planner.DistributedPlanner.createInsertFragment(), com.cloudera.impala.planner.DistributedPlanner.createMergeFragment(), com.cloudera.impala.planner.DistributedPlanner.createParentFragment(), com.cloudera.impala.planner.Planner.createPlan(), com.cloudera.impala.planner.DistributedPlanner.createPlanFragments(), com.cloudera.impala.planner.DistributedPlanner.createScanFragment(), and com.cloudera.impala.planner.DistributedPlanner.createUnionNodeFragment().

PlanNodeId com.cloudera.impala.planner.PlannerContext.getNextNodeId ( )

inline

Definition at line 63 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.SingleNodePlanner.addUnassignedConjuncts(), com.cloudera.impala.planner.DistributedPlanner.connectChildFragment(), com.cloudera.impala.planner.DistributedPlanner.createAggregationFragment(), com.cloudera.impala.planner.SingleNodePlanner.createAggregationPlan(), com.cloudera.impala.planner.SingleNodePlanner.createConstantSelectPlan(), com.cloudera.impala.planner.SingleNodePlanner.createEmptyNode(), com.cloudera.impala.planner.DistributedPlanner.createHashJoinFragment(), com.cloudera.impala.planner.SingleNodePlanner.createInlineViewPlan(), com.cloudera.impala.planner.DistributedPlanner.createInsertFragment(), com.cloudera.impala.planner.DistributedPlanner.createMergeFragment(), com.cloudera.impala.planner.DistributedPlanner.createParentFragment(), com.cloudera.impala.planner.SingleNodePlanner.createQueryPlan(), com.cloudera.impala.planner.SingleNodePlanner.createScanNode(), com.cloudera.impala.planner.SingleNodePlanner.createSelectPlan(), com.cloudera.impala.planner.AnalyticPlanner.createSortGroupPlan(), and com.cloudera.impala.planner.SingleNodePlanner.createUnionPlan().

TQueryCtx com.cloudera.impala.planner.PlannerContext.getQueryCtx ( )

inline

Definition at line 56 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.queryCtx_.

TQueryOptions com.cloudera.impala.planner.PlannerContext.getQueryOptions ( )

inline

Definition at line 57 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.Planner.computeResourceReqs(), com.cloudera.impala.planner.Planner.createPlan(), com.cloudera.impala.planner.SingleNodePlanner.createSingleNodePlan(), and com.cloudera.impala.planner.PlannerContext.isSingleNodeExec().

QueryStmt com.cloudera.impala.planner.PlannerContext.getQueryStmt ( )

inline

Definition at line 55 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.queryStmt_.

Referenced by com.cloudera.impala.planner.PlannerContext.PlannerContext().

Analyzer com.cloudera.impala.planner.PlannerContext.getRootAnalyzer ( )

inline

Definition at line 61 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.DistributedPlanner.createAggregationFragment(), and com.cloudera.impala.planner.DistributedPlanner.createAnalyticFragment().

boolean com.cloudera.impala.planner.PlannerContext.isInsertOrCtas ( )

inline

Definition at line 65 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.analysisResult_.

Referenced by com.cloudera.impala.planner.Planner.createPlan(), and com.cloudera.impala.planner.PlannerContext.PlannerContext().

boolean com.cloudera.impala.planner.PlannerContext.isSingleNodeExec ( )

inline

Definition at line 62 of file PlannerContext.java.

References com.cloudera.impala.planner.PlannerContext.getQueryOptions().

Referenced by com.cloudera.impala.planner.Planner.createPlan().

Member Data Documentation

final AnalysisContext.AnalysisResult com.cloudera.impala.planner.PlannerContext.analysisResult_

private

Definition at line 41 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.PlannerContext.getAnalysisResult(), com.cloudera.impala.planner.PlannerContext.isInsertOrCtas(), and com.cloudera.impala.planner.PlannerContext.PlannerContext().

final IdGenerator<PlanFragmentId> com.cloudera.impala.planner.PlannerContext.fragmentIdGenerator_

private

Initial value:

=
      PlanFragmentId.createGenerator()

Definition at line 37 of file PlannerContext.java.

final double com.cloudera.impala.planner.PlannerContext.HASH_TBL_SPACE_OVERHEAD = 1.1

static

Definition at line 31 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.AggregationNode.computeCosts(), com.cloudera.impala.planner.HashJoinNode.computeCosts(), and com.cloudera.impala.planner.DistributedPlanner.createHashJoinFragment().

final IdGenerator<PlanNodeId> com.cloudera.impala.planner.PlannerContext.nodeIdGenerator_ = PlanNodeId.createGenerator()

private

Definition at line 36 of file PlannerContext.java.

final TQueryCtx com.cloudera.impala.planner.PlannerContext.queryCtx_

private

Definition at line 40 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.PlannerContext.getQueryCtx(), and com.cloudera.impala.planner.PlannerContext.PlannerContext().

final QueryStmt com.cloudera.impala.planner.PlannerContext.queryStmt_

private

Definition at line 42 of file PlannerContext.java.

Referenced by com.cloudera.impala.planner.PlannerContext.getQueryStmt(), and com.cloudera.impala.planner.PlannerContext.PlannerContext().

final double com.cloudera.impala.planner.PlannerContext.SORT_MEM_MAX_FRACTION = 0.80

static

Definition at line 34 of file PlannerContext.java.

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The documentation for this class was generated from the following file:

• fe/src/main/java/com/cloudera/impala/planner/PlannerContext.java