Package org.apache.drill.exec.planner.physical

Class WriterPrel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.drill.exec.planner.common.DrillWriterRelBase

org.apache.drill.exec.planner.physical.WriterPrel

All Implemented Interfaces:

Cloneable, Iterable<Prel>, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, Prel

public class WriterPrel
extends DrillWriterRelBase
implements Prel

Nested Class Summary

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

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PARTITION_COMPARATOR_FIELD
static final String	PARTITION_COMPARATOR_FUNC

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

input

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

digest, id, rowType, traitSet

Fields inherited from interface org.apache.drill.exec.planner.physical.Prel

DRILL_PHYSICAL

Constructor Summary

Constructors

Constructor	Description
WriterPrel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode child, CreateTableEntry createTableEntry)

Method Summary

Modifier and Type	Method	Description
<T, X, E extends Throwable> T	accept(PrelVisitor<T,X,E> logicalVisitor, X value)
WriterPrel	copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs)
BatchSchema.SelectionVectorMode	getEncoding()	A Prel's own SelectionVector mode - i.e whether it generates an SV2, SV4 or None
PhysicalOperator	getPhysicalOperator(PhysicalPlanCreator creator)
BatchSchema.SelectionVectorMode[]	getSupportedEncodings()	Supported 'encodings' of a Prel indicates what are the acceptable modes of SelectionVector of its child Prel
Iterator<Prel>	iterator()
boolean	needsFinalColumnReordering()

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

getCreateTableEntry, setRowType

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

childrenAccept, deriveRowType, estimateRowCount, explainTerms, getInput, getInputs, replaceInput

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

accept, accept, collectVariablesSet, collectVariablesUsed, computeSelfCost, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.apache.drill.exec.planner.physical.Prel

prepareForLateralUnnestPipeline

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

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, deepEquals, deepHashCode, estimateRowCount, explain, explain, fieldIsNullable, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

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

getCluster, getDescription, getId, getTraitSet

Field Details

PARTITION_COMPARATOR_FIELD

public static final String PARTITION_COMPARATOR_FIELD

See Also:

• Constant Field Values

PARTITION_COMPARATOR_FUNC

public static final String PARTITION_COMPARATOR_FUNC

See Also:

• Constant Field Values

Constructor Details

WriterPrel

public WriterPrel(org.apache.calcite.plan.RelOptCluster cluster,
 org.apache.calcite.plan.RelTraitSet traits,
 org.apache.calcite.rel.RelNode child,
 CreateTableEntry createTableEntry)

Method Details

copy

public WriterPrel copy(org.apache.calcite.plan.RelTraitSet traitSet,
 List<org.apache.calcite.rel.RelNode> inputs)

Specified by:

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

Overrides:

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

getPhysicalOperator

public PhysicalOperator getPhysicalOperator(PhysicalPlanCreator creator)
                                     throws IOException

Specified by:

getPhysicalOperator in interface Prel

Throws:

IOException

iterator

public Iterator<Prel> iterator()

Specified by:

iterator in interface Iterable<Prel>

accept

public <T,
X,
E extends Throwable> T accept(PrelVisitor<T,X,E> logicalVisitor,
 X value)
                                     throws E

Specified by:

accept in interface Prel

Throws:

E

getSupportedEncodings

public BatchSchema.SelectionVectorMode[] getSupportedEncodings()

Description copied from interface: Prel

Supported 'encodings' of a Prel indicates what are the acceptable modes of SelectionVector of its child Prel

Specified by:

getSupportedEncodings in interface Prel

getEncoding

public BatchSchema.SelectionVectorMode getEncoding()

Description copied from interface: Prel

A Prel's own SelectionVector mode - i.e whether it generates an SV2, SV4 or None

Specified by:

getEncoding in interface Prel

needsFinalColumnReordering

public boolean needsFinalColumnReordering()

Specified by:

needsFinalColumnReordering in interface Prel