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

Class IndexSelector.DrillIndexProperties

java.lang.Object

org.apache.drill.exec.planner.index.IndexSelector.DrillIndexProperties

All Implemented Interfaces:

IndexProperties

Enclosing class:

IndexSelector

public static class IndexSelector.DrillIndexProperties
extends Object
implements IndexProperties

IndexProperties encapsulates the various metrics of a single index that are related to the current query. These metrics are subsequently used to rank the index in comparison with other indexes.

Constructor Summary

Constructors

Constructor	Description
DrillIndexProperties(IndexDescriptor indexDescriptor, boolean isCovering, org.apache.calcite.rex.RexNode otherColumnsRemainderFilter, org.apache.calcite.rex.RexBuilder rexBuilder, int numProjectedFields, double totalRows, DrillScanRelBase primaryTableScan)

Method Summary

Modifier and Type	Method	Description
double	getAvgRowSize()
IndexDescriptor	getIndexDesc()
org.apache.calcite.plan.RelOptCost	getIntersectCost(IndexGroup index, IndexConditionInfo.Builder builder, org.apache.calcite.plan.RelOptPlanner planner)
org.apache.calcite.plan.RelOptCost	getIntersectCost(IndexGroup index, IndexConditionInfo.Builder builder, org.apache.calcite.plan.RelOptPlanner planner, PluginCost costBase, DrillScanRelBase scanRel)
org.apache.calcite.rex.RexNode	getLeadingColumnsFilter()
double	getLeadingSelectivity()
DrillScanRelBase	getPrimaryTableScan()
double	getRemainderSelectivity()
org.apache.calcite.plan.RelOptCost	getSelfCost(org.apache.calcite.plan.RelOptPlanner planner)
org.apache.calcite.rex.RexNode	getTotalRemainderFilter()
double	getTotalRows()
boolean	isCovering()
int	numLeadingFilters()
org.apache.calcite.rex.RexNode	remainderCondition(IndexDescriptor indexDesc, IndexConditionInfo.Builder builder, org.apache.calcite.rex.RexNode initCondition)
boolean	satisfiesCollation()
void	setProperties(Map<LogicalExpression,org.apache.calcite.rex.RexNode> prefixMap, boolean satisfiesCollation, org.apache.calcite.rex.RexNode indexColumnsRemainderFilter, Statistics stats)
void	setSatisfiesCollation(boolean satisfiesCollation)

Methods inherited from class java.lang.Object

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

Constructor Details

DrillIndexProperties

public DrillIndexProperties(IndexDescriptor indexDescriptor,
 boolean isCovering,
 org.apache.calcite.rex.RexNode otherColumnsRemainderFilter,
 org.apache.calcite.rex.RexBuilder rexBuilder,
 int numProjectedFields,
 double totalRows,
 DrillScanRelBase primaryTableScan)

Method Details

setProperties

public void setProperties(Map<LogicalExpression,org.apache.calcite.rex.RexNode> prefixMap,
 boolean satisfiesCollation,
 org.apache.calcite.rex.RexNode indexColumnsRemainderFilter,
 Statistics stats)

Specified by:

setProperties in interface IndexProperties

getLeadingSelectivity

public double getLeadingSelectivity()

Specified by:

getLeadingSelectivity in interface IndexProperties

getRemainderSelectivity

public double getRemainderSelectivity()

Specified by:

getRemainderSelectivity in interface IndexProperties

isCovering

public boolean isCovering()

Specified by:

isCovering in interface IndexProperties

getTotalRows

public double getTotalRows()

Specified by:

getTotalRows in interface IndexProperties

getIndexDesc

public IndexDescriptor getIndexDesc()

Specified by:

getIndexDesc in interface IndexProperties

getLeadingColumnsFilter

public org.apache.calcite.rex.RexNode getLeadingColumnsFilter()

Specified by:

getLeadingColumnsFilter in interface IndexProperties

getTotalRemainderFilter

public org.apache.calcite.rex.RexNode getTotalRemainderFilter()

Specified by:

getTotalRemainderFilter in interface IndexProperties

satisfiesCollation

public boolean satisfiesCollation()

Specified by:

satisfiesCollation in interface IndexProperties

setSatisfiesCollation

public void setSatisfiesCollation(boolean satisfiesCollation)

Specified by:

setSatisfiesCollation in interface IndexProperties

getSelfCost

public org.apache.calcite.plan.RelOptCost getSelfCost(org.apache.calcite.plan.RelOptPlanner planner)

Specified by:

getSelfCost in interface IndexProperties

getIntersectCost

public org.apache.calcite.plan.RelOptCost getIntersectCost(IndexGroup index,
 IndexConditionInfo.Builder builder,
 org.apache.calcite.plan.RelOptPlanner planner)

Specified by:

getIntersectCost in interface IndexProperties

numLeadingFilters

public int numLeadingFilters()

Specified by:

numLeadingFilters in interface IndexProperties

getAvgRowSize

public double getAvgRowSize()

Specified by:

getAvgRowSize in interface IndexProperties

getPrimaryTableScan

public DrillScanRelBase getPrimaryTableScan()

Specified by:

getPrimaryTableScan in interface IndexProperties

getIntersectCost

public org.apache.calcite.plan.RelOptCost getIntersectCost(IndexGroup index,
 IndexConditionInfo.Builder builder,
 org.apache.calcite.plan.RelOptPlanner planner,
 PluginCost costBase,
 DrillScanRelBase scanRel)

remainderCondition

public org.apache.calcite.rex.RexNode remainderCondition(IndexDescriptor indexDesc,
 IndexConditionInfo.Builder builder,
 org.apache.calcite.rex.RexNode initCondition)