Package org.apache.pinot.common.datatable

Class DataTableImplV3

java.lang.Object

org.apache.pinot.common.datatable.BaseDataTable

org.apache.pinot.common.datatable.DataTableImplV3

All Implemented Interfaces:

DataTable

public class DataTableImplV3
extends BaseDataTable

Datatable V3 implementation. The layout of serialized V3 datatable looks like: +-----------------------------------------------+ | 13 integers of header: | | VERSION | | NUM_ROWS | | NUM_COLUMNS | | EXCEPTIONS SECTION START OFFSET | | EXCEPTIONS SECTION LENGTH | | DICTIONARY_MAP SECTION START OFFSET | | DICTIONARY_MAP SECTION LENGTH | | DATA_SCHEMA SECTION START OFFSET | | DATA_SCHEMA SECTION LENGTH | | FIXED_SIZE_DATA SECTION START OFFSET | | FIXED_SIZE_DATA SECTION LENGTH | | VARIABLE_SIZE_DATA SECTION START OFFSET | | VARIABLE_SIZE_DATA SECTION LENGTH | +-----------------------------------------------+ | EXCEPTIONS SECTION | +-----------------------------------------------+ | DICTIONARY_MAP SECTION | +-----------------------------------------------+ | DATA_SCHEMA SECTION | +-----------------------------------------------+ | FIXED_SIZE_DATA SECTION | +-----------------------------------------------+ | VARIABLE_SIZE_DATA SECTION | +-----------------------------------------------+ | METADATA LENGTH | | METADATA SECTION | +-----------------------------------------------+

Nested Class Summary

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

DataTable.CustomObject, DataTable.MetadataKey, DataTable.MetadataValueType

Field Summary

Fields inherited from class org.apache.pinot.common.datatable.BaseDataTable

_columnOffsets, _dataSchema, _dictionaryMap, _fixedSizeData, _fixedSizeDataBytes, _metadata, _numColumns, _numRows, _rowSizeInBytes, _variableSizeData, _variableSizeDataBytes

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

EXCEPTION_METADATA_KEY

Constructor Summary

Constructors

Constructor	Description
DataTableImplV3()	Construct empty data table.
DataTableImplV3(int numRows, DataSchema dataSchema, Map<String,Map<Integer,String>> dictionaryMap, byte[] fixedSizeDataBytes, byte[] variableSizeDataBytes)	Construct data table with results.
DataTableImplV3(ByteBuffer byteBuffer)	Construct data table from byte array.

Method Summary

Modifier and Type	Method	Description
void	addException(int errCode, String errMsg)
void	addException(ProcessingException processingException)
Map<Integer,String>	getExceptions()
int	getVersion()
byte[]	toBytes()
DataTableImplV3	toDataOnlyDataTable()
DataTableImplV3	toMetadataOnlyDataTable()

Methods inherited from class org.apache.pinot.common.datatable.BaseDataTable

deserializeDictionaryMap, getBigDecimal, getBytes, getCustomObject, getDataSchema, getDouble, getDoubleArray, getFloat, getFloatArray, getInt, getIntArray, getLong, getLongArray, getMetadata, getNullRowIds, getNumberOfRows, getString, getStringArray, serializeDictionaryMap, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DataTableImplV3

public DataTableImplV3(int numRows,
                       DataSchema dataSchema,
                       Map<String,Map<Integer,String>> dictionaryMap,
                       byte[] fixedSizeDataBytes,
                       byte[] variableSizeDataBytes)

Construct data table with results. (Server side)

DataTableImplV3

public DataTableImplV3()

Construct empty data table. (Server side)

DataTableImplV3

public DataTableImplV3(ByteBuffer byteBuffer)
                throws IOException

Construct data table from byte array. (broker side)

Throws:

IOException

Method Detail

getVersion

public int getVersion()

addException

public void addException(ProcessingException processingException)

addException

public void addException(int errCode,
                         String errMsg)

getExceptions

public Map<Integer,String> getExceptions()

toBytes

public byte[] toBytes()
               throws IOException

Throws:

IOException

toMetadataOnlyDataTable

public DataTableImplV3 toMetadataOnlyDataTable()

toDataOnlyDataTable

public DataTableImplV3 toDataOnlyDataTable()