Package org.apache.pinot.common.datatable

Class BaseDataTable

java.lang.Object

org.apache.pinot.common.datatable.BaseDataTable

All Implemented Interfaces:

DataTable

Direct Known Subclasses:

DataTableImplV2, DataTableImplV3

public abstract class BaseDataTable
extends Object
implements DataTable

Base implementation of the DataTable interface.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.pinot.common.datatable.DataTable

DataTable.CustomObject, DataTable.MetadataKey, DataTable.MetadataValueType

Field Summary

Fields

Modifier and Type	Field	Description
protected int[]	_columnOffsets
protected DataSchema	_dataSchema
protected Map<String,Map<Integer,String>>	_dictionaryMap
protected ByteBuffer	_fixedSizeData
protected byte[]	_fixedSizeDataBytes
protected Map<String,String>	_metadata
protected int	_numColumns
protected int	_numRows
protected int	_rowSizeInBytes
protected ByteBuffer	_variableSizeData
protected byte[]	_variableSizeDataBytes

Fields inherited from interface org.apache.pinot.common.datatable.DataTable

EXCEPTION_METADATA_KEY

Constructor Summary

Constructors

Constructor	Description
BaseDataTable()	Construct empty data table.
BaseDataTable(int numRows, DataSchema dataSchema, Map<String,Map<Integer,String>> dictionaryMap, byte[] fixedSizeDataBytes, byte[] variableSizeDataBytes)

Method Summary

Modifier and Type	Method	Description
protected Map<String,Map<Integer,String>>	deserializeDictionaryMap(ByteBuffer buffer)	Helper method to deserialize dictionary map.
BigDecimal	getBigDecimal(int rowId, int colId)
ByteArray	getBytes(int rowId, int colId)
DataTable.CustomObject	getCustomObject(int rowId, int colId)
DataSchema	getDataSchema()
double	getDouble(int rowId, int colId)
double[]	getDoubleArray(int rowId, int colId)
float	getFloat(int rowId, int colId)
float[]	getFloatArray(int rowId, int colId)
int	getInt(int rowId, int colId)
int[]	getIntArray(int rowId, int colId)
long	getLong(int rowId, int colId)
long[]	getLongArray(int rowId, int colId)
Map<String,String>	getMetadata()
org.roaringbitmap.RoaringBitmap	getNullRowIds(int colId)
int	getNumberOfRows()
String	getString(int rowId, int colId)
String[]	getStringArray(int rowId, int colId)
protected byte[]	serializeDictionaryMap()	Helper method to serialize dictionary map.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pinot.common.datatable.DataTable

addException, addException, getExceptions, getVersion, toBytes, toDataOnlyDataTable, toMetadataOnlyDataTable

Field Detail

_numRows

protected int _numRows

_numColumns

protected int _numColumns

_dataSchema

protected DataSchema _dataSchema

_columnOffsets

protected int[] _columnOffsets

_rowSizeInBytes

protected int _rowSizeInBytes

_dictionaryMap

protected Map<String,Map<Integer,String>> _dictionaryMap

_fixedSizeDataBytes

protected byte[] _fixedSizeDataBytes

_fixedSizeData

protected ByteBuffer _fixedSizeData

_variableSizeDataBytes

protected byte[] _variableSizeDataBytes

_variableSizeData

protected ByteBuffer _variableSizeData

_metadata

protected Map<String,String> _metadata

Constructor Detail

BaseDataTable

public BaseDataTable(int numRows,
                     DataSchema dataSchema,
                     Map<String,Map<Integer,String>> dictionaryMap,
                     byte[] fixedSizeDataBytes,
                     byte[] variableSizeDataBytes)

BaseDataTable

public BaseDataTable()

Construct empty data table. (Server side)

Method Detail

serializeDictionaryMap

protected byte[] serializeDictionaryMap()
                                 throws IOException

Helper method to serialize dictionary map.

Throws:

IOException

deserializeDictionaryMap

protected Map<String,Map<Integer,String>> deserializeDictionaryMap(ByteBuffer buffer)
                                                                        throws IOException

Helper method to deserialize dictionary map.

Throws:

IOException

getMetadata

public Map<String,String> getMetadata()

Specified by:

getMetadata in interface DataTable

getDataSchema

public DataSchema getDataSchema()

Specified by:

getDataSchema in interface DataTable

getNumberOfRows

public int getNumberOfRows()

Specified by:

getNumberOfRows in interface DataTable

getInt

public int getInt(int rowId,
                  int colId)

Specified by:

getInt in interface DataTable

getLong

public long getLong(int rowId,
                    int colId)

Specified by:

getLong in interface DataTable

getFloat

public float getFloat(int rowId,
                      int colId)

Specified by:

getFloat in interface DataTable

getDouble

public double getDouble(int rowId,
                        int colId)

Specified by:

getDouble in interface DataTable

getBigDecimal

public BigDecimal getBigDecimal(int rowId,
                                int colId)

Specified by:

getBigDecimal in interface DataTable

getString

public String getString(int rowId,
                        int colId)

Specified by:

getString in interface DataTable

getBytes

public ByteArray getBytes(int rowId,
                          int colId)

Specified by:

getBytes in interface DataTable

getIntArray

public int[] getIntArray(int rowId,
                         int colId)

Specified by:

getIntArray in interface DataTable

getLongArray

public long[] getLongArray(int rowId,
                           int colId)

Specified by:

getLongArray in interface DataTable

getFloatArray

public float[] getFloatArray(int rowId,
                             int colId)

Specified by:

getFloatArray in interface DataTable

getDoubleArray

public double[] getDoubleArray(int rowId,
                               int colId)

Specified by:

getDoubleArray in interface DataTable

getStringArray

public String[] getStringArray(int rowId,
                               int colId)

Specified by:

getStringArray in interface DataTable

getCustomObject

@Nullable
public DataTable.CustomObject getCustomObject(int rowId,
                                              int colId)

Specified by:

getCustomObject in interface DataTable

getNullRowIds

@Nullable
public org.roaringbitmap.RoaringBitmap getNullRowIds(int colId)

Specified by:

getNullRowIds in interface DataTable

toString

public String toString()

Overrides:

toString in class Object