org.apache.drill.exec.store.hive

Class HiveSubScan

java.lang.Object

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

org.apache.drill.exec.store.hive.HiveSubScan

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, FragmentLeaf, Leaf, PhysicalOperator, Scan, SubScan

public class HiveSubScan
extends AbstractBase
implements SubScan

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPERATOR_TYPE

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

INIT_ALLOCATION, initialAllocation, MAX_ALLOCATION, maxAllocation, userName

Constructor Summary

Constructors

Constructor and Description
HiveSubScan(StoragePluginRegistry registry, String userName, List<List<String>> splits, HiveReadEntry hiveReadEntry, List<String> splitClasses, List<SchemaPath> columns, HiveStoragePluginConfig hiveStoragePluginConfig, Map<String,String> confProperties)
HiveSubScan(String userName, List<List<String>> splits, HiveReadEntry hiveReadEntry, List<String> splitClasses, List<SchemaPath> columns, HiveStoragePlugin hiveStoragePlugin, Map<String,String> confProperties)

Method Summary

Modifier and Type	Method and Description
<T,X,E extends Throwable> T	accept(PhysicalVisitor<T,X,E> physicalVisitor, X value) Provides capability to build a set of output based on traversing a query graph tree.
List<SchemaPath>	getColumns()
Map<String,String>	getConfProperties()
org.apache.hadoop.hive.conf.HiveConf	getHiveConf()
HiveReadEntry	getHiveReadEntry()
HiveStoragePluginConfig	getHiveStoragePluginConfig()
List<List<org.apache.hadoop.mapred.InputSplit>>	getInputSplits()
PhysicalOperator	getNewWithChildren(List<PhysicalOperator> children) Regenerate with this node with a new set of children.
String	getOperatorType()
List<HivePartition>	getPartitions()
List<String>	getSplitClasses()
List<List<String>>	getSplits()
HiveStoragePlugin	getStoragePlugin()
HiveTableWithColumnCache	getTable()
Iterator<PhysicalOperator>	iterator()

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

accept, getCost, getInitialAllocation, getMaxAllocation, getOperatorId, getSVMode, getUserName, isBufferedOperator, isExecutable, 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.exec.physical.base.PhysicalOperator

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

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

accept

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

OPERATOR_TYPE

public static final String OPERATOR_TYPE

See Also:

Constant Field Values

Constructor Detail

HiveSubScan

public HiveSubScan(StoragePluginRegistry registry,
                   String userName,
                   List<List<String>> splits,
                   HiveReadEntry hiveReadEntry,
                   List<String> splitClasses,
                   List<SchemaPath> columns,
                   HiveStoragePluginConfig hiveStoragePluginConfig,
                   Map<String,String> confProperties)
            throws IOException,
                   ExecutionSetupException,
                   ReflectiveOperationException

Throws:

IOException

ExecutionSetupException

ReflectiveOperationException

HiveSubScan

public HiveSubScan(String userName,
                   List<List<String>> splits,
                   HiveReadEntry hiveReadEntry,
                   List<String> splitClasses,
                   List<SchemaPath> columns,
                   HiveStoragePlugin hiveStoragePlugin,
                   Map<String,String> confProperties)
            throws IOException,
                   ReflectiveOperationException

Throws:

IOException

ReflectiveOperationException

Method Detail

getSplits

public List<List<String>> getSplits()

getHiveReadEntry

public HiveReadEntry getHiveReadEntry()

getSplitClasses

public List<String> getSplitClasses()

getColumns

public List<SchemaPath> getColumns()

getHiveStoragePluginConfig

public HiveStoragePluginConfig getHiveStoragePluginConfig()

getConfProperties

public Map<String,String> getConfProperties()

getTable

public HiveTableWithColumnCache getTable()

getPartitions

public List<HivePartition> getPartitions()

getInputSplits

public List<List<org.apache.hadoop.mapred.InputSplit>> getInputSplits()

getStoragePlugin

public HiveStoragePlugin getStoragePlugin()

getHiveConf

public org.apache.hadoop.hive.conf.HiveConf getHiveConf()

accept

public <T,X,E extends Throwable> T accept(PhysicalVisitor<T,X,E> physicalVisitor,
                                          X value)
                                   throws E extends Throwable

Description copied from interface: PhysicalOperator

Provides capability to build a set of output based on traversing a query graph tree.

Specified by:

accept in interface PhysicalOperator

Throws:

E extends Throwable

getNewWithChildren

public PhysicalOperator getNewWithChildren(List<PhysicalOperator> children)
                                    throws ExecutionSetupException

Description copied from interface: PhysicalOperator

Regenerate with this node with a new set of children. This is used in the case of materialization or optimization.

Specified by:

getNewWithChildren in interface PhysicalOperator

Throws:

ExecutionSetupException

iterator

public Iterator<PhysicalOperator> iterator()

Specified by:

iterator in interface Iterable<PhysicalOperator>

getOperatorType

public String getOperatorType()

Specified by:

getOperatorType in interface PhysicalOperator