Package org.apache.drill.exec.physical.resultSet.impl

Class UnionState.UnionColumnState

java.lang.Object

org.apache.drill.exec.physical.resultSet.impl.ColumnState

org.apache.drill.exec.physical.resultSet.impl.ColumnState.BaseContainerColumnState

org.apache.drill.exec.physical.resultSet.impl.UnionState.UnionColumnState

Enclosing class:

UnionState

public static class UnionState.UnionColumnState
extends ColumnState.BaseContainerColumnState

Union or list (repeated union) column state.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.physical.resultSet.impl.ColumnState

ColumnState.BaseContainerColumnState, ColumnState.PrimitiveColumnState, ColumnState.State

Field Summary

Fields inherited from class org.apache.drill.exec.physical.resultSet.impl.ColumnState

addVersion, cardinality, loader, outputIndex, state, vectorState, writer

Constructor Summary

Constructors

Constructor	Description
UnionColumnState(org.apache.drill.exec.physical.resultSet.impl.LoaderInternals loader, AbstractObjectWriter writer, VectorState vectorState, ContainerState unionState)

Method Summary

Modifier and Type	Method	Description
ContainerState	container()
boolean	isProjected()
ColumnMetadata	outputSchema()	Get the output schema.

Methods inherited from class org.apache.drill.exec.physical.resultSet.impl.ColumnState.BaseContainerColumnState

close, harvestWithLookAhead, rollover, startBatch, updateCardinality

Methods inherited from class org.apache.drill.exec.physical.resultSet.impl.ColumnState

allocateVectors, buildOutput, dump, innerCardinality, outerCardinality, schema, vector, vectorState, writer

Methods inherited from class java.lang.Object

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

Constructor Details

UnionColumnState

public UnionColumnState(org.apache.drill.exec.physical.resultSet.impl.LoaderInternals loader,
 AbstractObjectWriter writer,
 VectorState vectorState,
 ContainerState unionState)

Method Details

isProjected

public boolean isProjected()

Overrides:

isProjected in class ColumnState

outputSchema

public ColumnMetadata outputSchema()

Get the output schema. For a primitive (non-structured) column, the output schema is the same as the internal schema.

Specified by:

outputSchema in class ColumnState

container

public ContainerState container()

Specified by:

container in class ColumnState.BaseContainerColumnState