org.apache.drill.exec.store.plan.rel

Class StoragePluginTableScan

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.core.TableScan

org.apache.drill.exec.planner.common.DrillScanRelBase

org.apache.drill.exec.store.plan.rel.StoragePluginTableScan

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, PluginRel

public class StoragePluginTableScan
extends DrillScanRelBase
implements PluginRel

Storage plugin table scan rel implementation.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields inherited from class org.apache.drill.exec.planner.common.DrillScanRelBase

drillTable, groupScan

Fields inherited from class org.apache.calcite.rel.core.TableScan

table

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, traitSet

Constructor Summary

Constructors

Constructor and Description
StoragePluginTableScan(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, GroupScan grpScan, org.apache.calcite.plan.RelOptTable table, org.apache.calcite.rel.type.RelDataType rowType)

Method Summary

Modifier and Type	Method and Description
boolean	canImplement(PluginImplementor implementor)
protected String	computeDigest()
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
DrillScanRelBase	copy(org.apache.calcite.plan.RelTraitSet traitSet, GroupScan scan, org.apache.calcite.rel.type.RelDataType rowType)
org.apache.calcite.rel.type.RelDataType	deriveRowType()
double	estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.rel.RelWriter	explainTerms(org.apache.calcite.rel.RelWriter pw)
void	implement(PluginImplementor implementor)

Methods inherited from class org.apache.drill.exec.planner.common.DrillScanRelBase

getDrillTable, getGroupScan

Methods inherited from class org.apache.calcite.rel.core.TableScan

accept, getCollationList, getTable, identity, identity, project

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, equals, explain, getChildExps, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTraitSet, getVariablesSet, getVariablesStopped, hashCode, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, sole, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

Methods inherited from interface org.apache.calcite.plan.RelOptNode

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

StoragePluginTableScan

public StoragePluginTableScan(org.apache.calcite.plan.RelOptCluster cluster,
                              org.apache.calcite.plan.RelTraitSet traits,
                              GroupScan grpScan,
                              org.apache.calcite.plan.RelOptTable table,
                              org.apache.calcite.rel.type.RelDataType rowType)

Method Detail

implement

public void implement(PluginImplementor implementor)
               throws IOException

Specified by:

implement in interface PluginRel

Throws:

IOException

copy

public DrillScanRelBase copy(org.apache.calcite.plan.RelTraitSet traitSet,
                             GroupScan scan,
                             org.apache.calcite.rel.type.RelDataType rowType)

Specified by:

copy in class DrillScanRelBase

estimateRowCount

public double estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

estimateRowCount in interface org.apache.calcite.rel.RelNode

Overrides:

estimateRowCount in class DrillScanRelBase

deriveRowType

public org.apache.calcite.rel.type.RelDataType deriveRowType()

Overrides:

deriveRowType in class org.apache.calcite.rel.core.TableScan

explainTerms

public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)

Overrides:

explainTerms in class org.apache.calcite.rel.core.TableScan

computeDigest

protected String computeDigest()

Overrides:

computeDigest in class org.apache.calcite.rel.AbstractRelNode

canImplement

public boolean canImplement(PluginImplementor implementor)

Specified by:

canImplement in interface PluginRel

computeSelfCost

public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

computeSelfCost in interface org.apache.calcite.rel.RelNode

Overrides:

computeSelfCost in class DrillScanRelBase