Package com.qfs.column

Interface IUnnamedColumnarTable

All Superinterfaces:

ITable

All Known Subinterfaces:

IAggregateStore, IByteRecordBlock, IColumnarTable, IFixedLengthIntegerArrayDictionary, IIntegerArrayDictionary, IPointList, IRecordBlock<RecordT>, ITypedColumnarTable, IWritableByteRecordBlock, IWritableIntegerArrayDictionary, IWritableRecordBlock<RecordT>

All Known Implementing Classes:

AFixedLengthIntegerArrayDictionary, AggregateStore, AppendOnlyByteRecordBlock, ARecordBlock, ArrowRecordBlock, AWritableFixedSizeRecordBlock, BucketedIntegerArrayDictionary, ChunkArray, ChunkSetRecordBlock, ColumnarIntegerArrayDictionary, ColumnWrappingPointList, DummyRecordBlock, EmptyAggregateStore, FilteredAggregateStoreView, FilteredPointList, FilteredRecordBlock, FixedLengthIntegerArrayDictionary, IntegerArrayDictionary, IntegerArrayDictionaryWithHash, IntegerArrayList, IntegerArrayPermutationDictionary, MultiColumnarTableWrapper, OffsetRecordBlock, PointReferenceDictionary, RecordBlock, RecordBlockMeasureStore, ReplicatedAggregateStore, SingleRowDelegateRecordBlock, SingleRowWritableRecordBlock, TranslatedIntegerArrayDictionary

public interface IUnnamedColumnarTable
extends ITable

A table with a columnar layout, that exposes its columns as arrays.

Author:

ActiveViam

Method Summary

Modifier and Type	Method	Description
IArray	getColumn(int columnIndex)	Returns the column stored at the given index.

Methods inherited from interface com.qfs.chunk.ITable

isNull, read, readBoolean, readDouble, readFloat, readInt, readLong

Method Details

getColumn

IArray getColumn(int columnIndex)

Returns the column stored at the given index.

Parameters:

columnIndex - the target column's index

Returns:

the column stored at the given index