Package org.apache.drill.exec.physical.base

Class AbstractFileGroupScan

java.lang.Object

org.apache.drill.exec.physical.base.AbstractBase

org.apache.drill.exec.physical.base.AbstractGroupScan

org.apache.drill.exec.physical.base.AbstractFileGroupScan

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, FileGroupScan, FragmentLeaf, GroupScan, HasAffinity, Leaf, PhysicalOperator, Scan

Direct Known Subclasses:

AbstractGroupScanWithMetadata, SchemalessScan

public abstract class AbstractFileGroupScan
extends AbstractGroupScan
implements FileGroupScan

Field Summary

Fields inherited from class org.apache.drill.exec.physical.base.AbstractBase

INIT_ALLOCATION, initialAllocation, MAX_ALLOCATION, maxAllocation, userName

Fields inherited from interface org.apache.drill.exec.physical.base.GroupScan

ALL_COLUMNS

Constructor Summary

Constructors

Constructor	Description
AbstractFileGroupScan(String userName)
AbstractFileGroupScan(AbstractFileGroupScan that)

Method Summary

Modifier and Type	Method	Description
FileGroupScan	clone(FileSelection selection)
void	modifyFileSelection(FileSelection selection)
boolean	supportsPartitionFilterPushdown()	Whether or not this GroupScan supports pushdown of partition filters (directories for filesystems)

Methods inherited from class org.apache.drill.exec.physical.base.AbstractGroupScan

accept, applyFilter, applyLimit, canPushdownProjects, clone, enforceWidth, getAnalyzeInfoProvider, getColumns, getColumnValueCount, getDistributionAffinity, getFiles, getFilter, getInitialAllocation, getMaxAllocation, getMetadataProvider, getMinParallelizationWidth, getOperatorAffinity, getOperatorType, getPartitionColumns, getScanStats, getScanStats, getScanStats, getSelectionRoot, getTableMetadata, hasFiles, isDistributed, isExecutable, iterator, supportsFilterPushDown, supportsLimitPushdown, usedMetastore

Methods inherited from class org.apache.drill.exec.physical.base.AbstractBase

accept, getCost, getOperatorId, getSVMode, getUserName, isBufferedOperator, setCost, setMaxAllocation, setOperatorId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.drill.common.graph.GraphValue

accept

Methods inherited from interface org.apache.drill.exec.physical.base.GroupScan

applyAssignments, applyFilter, applyLimit, canPushdownProjects, clone, enforceWidth, getAnalyzeInfoProvider, getColumns, getColumnValueCount, getDigest, getFiles, getFilter, getMaxParallelizationWidth, getMetadataProvider, getMinParallelizationWidth, getPartitionColumns, getScanStats, getScanStats, getSelectionRoot, getSpecificScan, getTableMetadata, hasFiles, isDistributed, supportsFilterPushDown, supportsLimitPushdown, usedMetastore

Methods inherited from interface org.apache.drill.exec.physical.base.HasAffinity

getDistributionAffinity, getOperatorAffinity

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface org.apache.drill.exec.physical.base.PhysicalOperator

accept, getCost, getInitialAllocation, getMaxAllocation, getNewWithChildren, getOperatorId, getOperatorType, getSVMode, getUserName, isBufferedOperator, isExecutable, setCost, setMaxAllocation, setOperatorId

Constructor Details

AbstractFileGroupScan

public AbstractFileGroupScan(String userName)

AbstractFileGroupScan

public AbstractFileGroupScan(AbstractFileGroupScan that)

Method Details

modifyFileSelection

public void modifyFileSelection(FileSelection selection)

Specified by:

modifyFileSelection in interface FileGroupScan

clone

public FileGroupScan clone(FileSelection selection)
                    throws IOException

Specified by:

clone in interface FileGroupScan

Throws:

IOException

supportsPartitionFilterPushdown

public boolean supportsPartitionFilterPushdown()

Description copied from interface: GroupScan

Whether or not this GroupScan supports pushdown of partition filters (directories for filesystems)

Specified by:

supportsPartitionFilterPushdown in interface GroupScan

Overrides:

supportsPartitionFilterPushdown in class AbstractGroupScan