Package org.apache.drill.exec.planner.index.generators

Class AbstractIndexPlanGenerator

java.lang.Object

org.apache.drill.exec.planner.physical.SubsetTransformer<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.InvalidRelException>

org.apache.drill.exec.planner.index.generators.AbstractIndexPlanGenerator

Direct Known Subclasses:

CoveringIndexPlanGenerator, CoveringPlanNoFilterGenerator, IndexIntersectPlanGenerator, NonCoveringIndexPlanGenerator

public abstract class AbstractIndexPlanGenerator
extends SubsetTransformer<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.InvalidRelException>

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.apache.calcite.rex.RexBuilder	builder
protected final org.apache.calcite.rex.RexNode	indexCondition
protected final IndexCallContext	indexContext
protected final DrillProjectRelBase	origProject
protected final DrillScanRelBase	origScan
protected final org.apache.calcite.rex.RexNode	remainderCondition
protected final PlannerSettings	settings
protected final DrillProjectRelBase	upperProject

Constructor Summary

Constructors

Constructor	Description
AbstractIndexPlanGenerator(IndexCallContext indexContext, org.apache.calcite.rex.RexNode indexCondition, org.apache.calcite.rex.RexNode remainderCondition, org.apache.calcite.rex.RexBuilder builder, PlannerSettings settings)

Method Summary

Modifier and Type	Method	Description
protected boolean	checkRowKey(List<SchemaPath> columns)
abstract org.apache.calcite.rel.RelNode	convertChild(org.apache.calcite.rel.RelNode current, org.apache.calcite.rel.RelNode child)
protected org.apache.calcite.rel.type.RelDataType	convertRowType(org.apache.calcite.rel.type.RelDataType origRowType, org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
protected org.apache.calcite.rel.RelNode	createRangeDistRight(org.apache.calcite.rel.RelNode rightPrel, org.apache.calcite.rel.type.RelDataTypeField rightRowKeyField, DbGroupScan origDbGroupScan)
boolean	forceConvert()
static org.apache.calcite.rel.RelNode	getExchange(org.apache.calcite.plan.RelOptCluster cluster, boolean isSingleton, boolean isExchangeRequired, org.apache.calcite.plan.RelTraitSet traits, DrillDistributionTrait distributionTrait, IndexCallContext indexContext, org.apache.calcite.rel.RelNode input)
static int	getRowKeyIndex(org.apache.calcite.rel.type.RelDataType rowType, DrillScanRelBase origScan)
static org.apache.calcite.rel.RelNode	getSortNode(IndexCallContext indexContext, org.apache.calcite.rel.RelNode newRel, boolean donotGenerateSort, boolean isSingleton, boolean isExchangeRequired)
void	go()
org.apache.calcite.plan.RelTraitSet	newTraitSet(org.apache.calcite.plan.RelTrait... traits)
protected static boolean	toRemoveSort(org.apache.calcite.rel.RelCollation sortCollation, org.apache.calcite.rel.RelCollation inputCollation)

Methods inherited from class org.apache.drill.exec.planner.physical.SubsetTransformer

go

Methods inherited from class java.lang.Object

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

Field Details

origProject

protected final DrillProjectRelBase origProject

origScan

protected final DrillScanRelBase origScan

upperProject

protected final DrillProjectRelBase upperProject

indexCondition

protected final org.apache.calcite.rex.RexNode indexCondition

remainderCondition

protected final org.apache.calcite.rex.RexNode remainderCondition

builder

protected final org.apache.calcite.rex.RexBuilder builder

indexContext

protected final IndexCallContext indexContext

settings

protected final PlannerSettings settings

Constructor Details

AbstractIndexPlanGenerator

public AbstractIndexPlanGenerator(IndexCallContext indexContext,
 org.apache.calcite.rex.RexNode indexCondition,
 org.apache.calcite.rex.RexNode remainderCondition,
 org.apache.calcite.rex.RexBuilder builder,
 PlannerSettings settings)

Method Details

getRowKeyIndex

public static int getRowKeyIndex(org.apache.calcite.rel.type.RelDataType rowType,
 DrillScanRelBase origScan)

convertRowType

protected org.apache.calcite.rel.type.RelDataType convertRowType(org.apache.calcite.rel.type.RelDataType origRowType,
 org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

checkRowKey

protected boolean checkRowKey(List<SchemaPath> columns)

createRangeDistRight

protected org.apache.calcite.rel.RelNode createRangeDistRight(org.apache.calcite.rel.RelNode rightPrel,
 org.apache.calcite.rel.type.RelDataTypeField rightRowKeyField,
 DbGroupScan origDbGroupScan)

newTraitSet

public org.apache.calcite.plan.RelTraitSet newTraitSet(org.apache.calcite.plan.RelTrait... traits)

Overrides:

newTraitSet in class SubsetTransformer<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.InvalidRelException>

toRemoveSort

protected static boolean toRemoveSort(org.apache.calcite.rel.RelCollation sortCollation,
 org.apache.calcite.rel.RelCollation inputCollation)

getExchange

public static org.apache.calcite.rel.RelNode getExchange(org.apache.calcite.plan.RelOptCluster cluster,
 boolean isSingleton,
 boolean isExchangeRequired,
 org.apache.calcite.plan.RelTraitSet traits,
 DrillDistributionTrait distributionTrait,
 IndexCallContext indexContext,
 org.apache.calcite.rel.RelNode input)

getSortNode

public static org.apache.calcite.rel.RelNode getSortNode(IndexCallContext indexContext,
 org.apache.calcite.rel.RelNode newRel,
 boolean donotGenerateSort,
 boolean isSingleton,
 boolean isExchangeRequired)

convertChild

public abstract org.apache.calcite.rel.RelNode convertChild(org.apache.calcite.rel.RelNode current,
 org.apache.calcite.rel.RelNode child)
                                                     throws org.apache.calcite.rel.InvalidRelException

Specified by:

convertChild in class SubsetTransformer<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.InvalidRelException>

Throws:

org.apache.calcite.rel.InvalidRelException

forceConvert

public boolean forceConvert()

Overrides:

forceConvert in class SubsetTransformer<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.InvalidRelException>

go

public void go()
        throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException