Package org.apache.drill.exec.store.parquet

Class ParquetRowGroupScan

java.lang.Object

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

org.apache.drill.exec.store.parquet.AbstractParquetRowGroupScan

org.apache.drill.exec.store.parquet.ParquetRowGroupScan

All Implemented Interfaces:

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

public class ParquetRowGroupScan
extends AbstractParquetRowGroupScan

Field Summary

Fields

Modifier and Type	Field	Description
static final String	OPERATOR_TYPE

Fields inherited from class org.apache.drill.exec.store.parquet.AbstractParquetRowGroupScan

columns, filter, readerConfig, rowGroupReadEntries, schema, selectionRoot

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

INIT_ALLOCATION, initialAllocation, MAX_ALLOCATION, maxAllocation, userName

Constructor Summary

Constructors

Constructor	Description
ParquetRowGroupScan(String userName, ParquetFormatPlugin formatPlugin, List<RowGroupReadEntry> rowGroupReadEntries, List<SchemaPath> columns, ParquetReaderConfig readerConfig, org.apache.hadoop.fs.Path selectionRoot, LogicalExpression filter, TupleMetadata schema)
ParquetRowGroupScan(StoragePluginRegistry registry, String userName, StoragePluginConfig storageConfig, FormatPluginConfig formatConfig, LinkedList<RowGroupReadEntry> rowGroupReadEntries, List<SchemaPath> columns, ParquetReaderConfig readerConfig, org.apache.hadoop.fs.Path selectionRoot, LogicalExpression filter, TupleMetadata schema)

Method Summary

Modifier and Type	Method	Description
AbstractParquetRowGroupScan	copy(List<SchemaPath> columns)
ParquetFormatConfig	getFormatConfig()
org.apache.hadoop.conf.Configuration	getFsConf(RowGroupReadEntry rowGroupReadEntry)
PhysicalOperator	getNewWithChildren(List<PhysicalOperator> children)	Regenerate with this node with a new set of children.
String	getOperatorType()
List<String>	getPartitionValues(RowGroupReadEntry rowGroupReadEntry)
StoragePluginConfig	getStorageConfig()
ParquetFormatPlugin	getStorageEngine()
boolean	supportsFileImplicitColumns()

Methods inherited from class org.apache.drill.exec.store.parquet.AbstractParquetRowGroupScan

accept, getColumns, getFilter, getReaderConfig, getReaderConfigForSerialization, getRowGroupReadEntries, getSchema, getSelectionRoot, isExecutable, isImplicitColumn, iterator

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

accept, getCost, getInitialAllocation, getMaxAllocation, 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 java.lang.Iterable

forEach, spliterator

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

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

Field Details

OPERATOR_TYPE

public static final String OPERATOR_TYPE

See Also:

• Constant Field Values

Constructor Details

ParquetRowGroupScan

public ParquetRowGroupScan(StoragePluginRegistry registry,
 String userName,
 StoragePluginConfig storageConfig,
 FormatPluginConfig formatConfig,
 LinkedList<RowGroupReadEntry> rowGroupReadEntries,
 List<SchemaPath> columns,
 ParquetReaderConfig readerConfig,
 org.apache.hadoop.fs.Path selectionRoot,
 LogicalExpression filter,
 TupleMetadata schema)
                    throws ExecutionSetupException

Throws:

ExecutionSetupException

ParquetRowGroupScan

public ParquetRowGroupScan(String userName,
 ParquetFormatPlugin formatPlugin,
 List<RowGroupReadEntry> rowGroupReadEntries,
 List<SchemaPath> columns,
 ParquetReaderConfig readerConfig,
 org.apache.hadoop.fs.Path selectionRoot,
 LogicalExpression filter,
 TupleMetadata schema)

Method Details

getStorageConfig

public StoragePluginConfig getStorageConfig()

getFormatConfig

public ParquetFormatConfig getFormatConfig()

getStorageEngine

public ParquetFormatPlugin getStorageEngine()

getNewWithChildren

public PhysicalOperator getNewWithChildren(List<PhysicalOperator> children)

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.

getOperatorType

public String getOperatorType()

copy

public AbstractParquetRowGroupScan copy(List<SchemaPath> columns)

Specified by:

copy in class AbstractParquetRowGroupScan

getFsConf

public org.apache.hadoop.conf.Configuration getFsConf(RowGroupReadEntry rowGroupReadEntry)

Specified by:

getFsConf in class AbstractParquetRowGroupScan

supportsFileImplicitColumns

public boolean supportsFileImplicitColumns()

Specified by:

supportsFileImplicitColumns in class AbstractParquetRowGroupScan

getPartitionValues

public List<String> getPartitionValues(RowGroupReadEntry rowGroupReadEntry)

Specified by:

getPartitionValues in class AbstractParquetRowGroupScan