org.apache.drill.exec.planner.logical

Class DrillScanRel

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.planner.logical.DrillScanRel

All Implemented Interfaces:

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

public class DrillScanRel
extends DrillScanRelBase
implements DrillRel

GroupScan of a Drill table.

Field Summary

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

drillTable

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

table

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

digest, id, traitSet

Fields inherited from interface org.apache.drill.exec.planner.logical.DrillRel

DRILL_LOGICAL

Constructor Summary

Constructors

Constructor and Description
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table) Creates a DrillScan.
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table, boolean partitionFilterPushdown) Creates a DrillScan.
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table, GroupScan groupScan, org.apache.calcite.rel.type.RelDataType rowType, List<SchemaPath> columns) Creates a DrillScanRel for a particular GroupScan
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table, GroupScan groupScan, org.apache.calcite.rel.type.RelDataType rowType, List<SchemaPath> columns, boolean partitionFilterPushdown) Creates a DrillScanRel for a particular GroupScan
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table, org.apache.calcite.rel.type.RelDataType rowType, List<SchemaPath> columns) Creates a DrillScan.
DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.plan.RelOptTable table, org.apache.calcite.rel.type.RelDataType rowType, List<SchemaPath> columns, boolean partitionFilterPushdown) Creates a DrillScan.

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
static DrillScanRel	convert(Scan scan, ConversionContext context)
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)
List<SchemaPath>	getColumns()
GroupScan	getGroupScan()
LogicalOperator	implement(DrillImplementor implementor)
boolean	partitionFilterPushdown()

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

getDrillTable

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, 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, getVariablesStopped, isDistinct, isKey, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

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

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table)

Creates a DrillScan.

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table,
            boolean partitionFilterPushdown)

Creates a DrillScan.

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table,
            org.apache.calcite.rel.type.RelDataType rowType,
            List<SchemaPath> columns)

Creates a DrillScan.

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table,
            org.apache.calcite.rel.type.RelDataType rowType,
            List<SchemaPath> columns,
            boolean partitionFilterPushdown)

Creates a DrillScan.

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table,
            GroupScan groupScan,
            org.apache.calcite.rel.type.RelDataType rowType,
            List<SchemaPath> columns)

Creates a DrillScanRel for a particular GroupScan

DrillScanRel

public DrillScanRel(org.apache.calcite.plan.RelOptCluster cluster,
            org.apache.calcite.plan.RelTraitSet traits,
            org.apache.calcite.plan.RelOptTable table,
            GroupScan groupScan,
            org.apache.calcite.rel.type.RelDataType rowType,
            List<SchemaPath> columns,
            boolean partitionFilterPushdown)

Creates a DrillScanRel for a particular GroupScan

Method Detail

getColumns

public List<SchemaPath> getColumns()

implement

public LogicalOperator implement(DrillImplementor implementor)

Specified by:

implement in interface DrillRel

convert

public static DrillScanRel convert(Scan scan,
                   ConversionContext context)

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

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 org.apache.calcite.rel.core.TableScan

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 org.apache.calcite.rel.core.TableScan

getGroupScan

public GroupScan getGroupScan()

partitionFilterPushdown

public boolean partitionFilterPushdown()