org.apache.druid.segment.nested

Class CompressedNestedDataComplexColumn<TStringDictionary extends Indexed<ByteBuffer>>

java.lang.Object

org.apache.druid.segment.nested.NestedDataComplexColumn

org.apache.druid.segment.nested.CompressedNestedDataComplexColumn<TStringDictionary>

All Implemented Interfaces:

Closeable, AutoCloseable, BaseColumn, ComplexColumn

Direct Known Subclasses:

NestedDataColumnV3, NestedDataColumnV4

public abstract class CompressedNestedDataComplexColumn<TStringDictionary extends Indexed<ByteBuffer>>
extends NestedDataComplexColumn

Implementation of NestedDataComplexColumn which uses a CompressedVariableSizedBlobColumn for the 'raw' StructuredData values and provides selectors for nested 'literal' field columns.

Constructor Summary

Constructors

Constructor and Description

CompressedNestedDataComplexColumn(NestedDataColumnMetadata metadata, ColumnConfig columnConfig, CompressedVariableSizedBlobColumnSupplier compressedRawColumnSupplier, ImmutableBitmap nullValues, GenericIndexed<String> fields, NestedLiteralTypeInfo fieldInfo, com.google.common.base.Supplier<TStringDictionary> stringDictionary, com.google.common.base.Supplier<FixedIndexed<Long>> longDictionarySupplier, com.google.common.base.Supplier<FixedIndexed<Double>> doubleDictionarySupplier, SmooshedFileMapper fileMapper)

Method Summary

Modifier and Type	Method and Description
void	close() Close and release any resources associated with this column.
ColumnHolder	getColumnHolder(List<NestedPathPart> path)
ColumnIndexSupplier	getColumnIndexSupplier(List<NestedPathPart> path) Make a ColumnIndexSupplier for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.
Set<ColumnType>	getColumnTypes(List<NestedPathPart> path)
FixedIndexed<Double>	getDoubleDictionary()
abstract String	getField(List<NestedPathPart> path)
abstract String	getFieldFileName(String fileNameBase, String field, int fieldIndex)
NestedLiteralTypeInfo	getFieldInfo()
GenericIndexed<String>	getFields()
int	getLength()
FixedIndexed<Long>	getLongDictionary()
List<List<NestedPathPart>>	getNestedFields()
ImmutableBitmap	getNullValues()
Object	getRowValue(int rowNum) Return rows in the column.
TStringDictionary	getStringDictionary()
boolean	isNumeric(List<NestedPathPart> path)
ColumnValueSelector<?>	makeColumnValueSelector(List<NestedPathPart> path, ReadableOffset readableOffset) Make a ColumnValueSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.
ColumnValueSelector<?>	makeColumnValueSelector(ReadableOffset offset) Optionally overridden when complex column serialization is not based on default serialization based on GenericIndexed in ComplexColumnSerializer.
DimensionSelector	makeDimensionSelector(List<NestedPathPart> path, ReadableOffset readableOffset, ExtractionFn fn) Make a DimensionSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.
SingleValueDimensionVectorSelector	makeSingleValueDimensionVectorSelector(List<NestedPathPart> path, ReadableVectorOffset readableOffset) Make a SingleValueDimensionVectorSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.
VectorObjectSelector	makeVectorObjectSelector(List<NestedPathPart> path, ReadableVectorOffset readableOffset) Make a VectorObjectSelector for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.
VectorObjectSelector	makeVectorObjectSelector(ReadableVectorOffset offset)
VectorValueSelector	makeVectorValueSelector(List<NestedPathPart> path, ReadableVectorOffset readableOffset) Make a VectorValueSelector for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.
abstract List<NestedPathPart>	parsePath(String path)

Methods inherited from class org.apache.druid.segment.nested.NestedDataComplexColumn

fromColumnSelector, getClazz, getTypeName

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.segment.column.BaseColumn

makeVectorValueSelector

Constructor Detail

CompressedNestedDataComplexColumn

public CompressedNestedDataComplexColumn(NestedDataColumnMetadata metadata,
                                         ColumnConfig columnConfig,
                                         CompressedVariableSizedBlobColumnSupplier compressedRawColumnSupplier,
                                         ImmutableBitmap nullValues,
                                         GenericIndexed<String> fields,
                                         NestedLiteralTypeInfo fieldInfo,
                                         com.google.common.base.Supplier<TStringDictionary> stringDictionary,
                                         com.google.common.base.Supplier<FixedIndexed<Long>> longDictionarySupplier,
                                         com.google.common.base.Supplier<FixedIndexed<Double>> doubleDictionarySupplier,
                                         SmooshedFileMapper fileMapper)

Method Detail

parsePath

public abstract List<NestedPathPart> parsePath(String path)

getField

public abstract String getField(List<NestedPathPart> path)

getFieldFileName

public abstract String getFieldFileName(String fileNameBase,
                                        String field,
                                        int fieldIndex)

getFields

public GenericIndexed<String> getFields()

getNestedFields

public List<List<NestedPathPart>> getNestedFields()

Specified by:

getNestedFields in class NestedDataComplexColumn

getFieldInfo

public NestedLiteralTypeInfo getFieldInfo()

getStringDictionary

public TStringDictionary getStringDictionary()

getLongDictionary

public FixedIndexed<Long> getLongDictionary()

getDoubleDictionary

public FixedIndexed<Double> getDoubleDictionary()

getNullValues

public ImmutableBitmap getNullValues()

getRowValue

@Nullable
public Object getRowValue(int rowNum)

Description copied from interface: ComplexColumn

Return rows in the column.

Parameters:

rowNum - the row number

Returns:

row object of type same as ComplexColumn.getClazz() } at row number "rowNum" .

makeColumnValueSelector

public ColumnValueSelector<?> makeColumnValueSelector(ReadableOffset offset)

Description copied from interface: ComplexColumn

Optionally overridden when complex column serialization is not based on default serialization based on GenericIndexed in ComplexColumnSerializer.

Parameters:

offset - object to retrieve row number

Returns:

the ColumnValueSelector object

makeVectorObjectSelector

public VectorObjectSelector makeVectorObjectSelector(ReadableVectorOffset offset)

getLength

public int getLength()

Returns:

serialized size (in bytes) of this column. -1 for unknown

close

public void close()

Description copied from interface: ComplexColumn

Close and release any resources associated with this column.

makeDimensionSelector

public DimensionSelector makeDimensionSelector(List<NestedPathPart> path,
                                               ReadableOffset readableOffset,
                                               ExtractionFn fn)

Description copied from class: NestedDataComplexColumn

Make a DimensionSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.

Specified by:

makeDimensionSelector in class NestedDataComplexColumn

makeColumnValueSelector

public ColumnValueSelector<?> makeColumnValueSelector(List<NestedPathPart> path,
                                                      ReadableOffset readableOffset)

Description copied from class: NestedDataComplexColumn

Make a ColumnValueSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.

Specified by:

makeColumnValueSelector in class NestedDataComplexColumn

makeSingleValueDimensionVectorSelector

public SingleValueDimensionVectorSelector makeSingleValueDimensionVectorSelector(List<NestedPathPart> path,
                                                                                 ReadableVectorOffset readableOffset)

Description copied from class: NestedDataComplexColumn

Make a SingleValueDimensionVectorSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.

Specified by:

makeSingleValueDimensionVectorSelector in class NestedDataComplexColumn

makeVectorObjectSelector

public VectorObjectSelector makeVectorObjectSelector(List<NestedPathPart> path,
                                                     ReadableVectorOffset readableOffset)

Description copied from class: NestedDataComplexColumn

Make a VectorObjectSelector for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.

Specified by:

makeVectorObjectSelector in class NestedDataComplexColumn

makeVectorValueSelector

public VectorValueSelector makeVectorValueSelector(List<NestedPathPart> path,
                                                   ReadableVectorOffset readableOffset)

Description copied from class: NestedDataComplexColumn

Make a VectorValueSelector for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.

Specified by:

makeVectorValueSelector in class NestedDataComplexColumn

getColumnTypes

@Nullable
public Set<ColumnType> getColumnTypes(List<NestedPathPart> path)

Specified by:

getColumnTypes in class NestedDataComplexColumn

getColumnHolder

@Nullable
public ColumnHolder getColumnHolder(List<NestedPathPart> path)

Specified by:

getColumnHolder in class NestedDataComplexColumn

getColumnIndexSupplier

@Nullable
public ColumnIndexSupplier getColumnIndexSupplier(List<NestedPathPart> path)

Description copied from class: NestedDataComplexColumn

Make a ColumnIndexSupplier for a nested literal field column associated with this nested complex column located at the 'path' represented as a sequence of NestedPathPart.

Specified by:

getColumnIndexSupplier in class NestedDataComplexColumn

isNumeric

public boolean isNumeric(List<NestedPathPart> path)

Specified by:

isNumeric in class NestedDataComplexColumn