Uses of Class
org.apache.druid.segment.column.RowSignature

Packages that use RowSignature

Package	Description
org.apache.druid.data.input
org.apache.druid.frame.field
org.apache.druid.frame.key
org.apache.druid.frame.processor
org.apache.druid.frame.read
org.apache.druid.frame.segment
org.apache.druid.frame.segment.columnar
org.apache.druid.frame.segment.row
org.apache.druid.frame.wire
org.apache.druid.frame.write
org.apache.druid.frame.write.columnar
org.apache.druid.query
org.apache.druid.query.groupby
org.apache.druid.query.operator
org.apache.druid.query.rowsandcols
org.apache.druid.query.rowsandcols.concrete
org.apache.druid.query.rowsandcols.semantic
org.apache.druid.query.scan
org.apache.druid.query.timeboundary
org.apache.druid.query.timeseries
org.apache.druid.query.topn
org.apache.druid.query.union
org.apache.druid.segment
org.apache.druid.segment.column
org.apache.druid.segment.incremental
org.apache.druid.segment.join
org.apache.druid.segment.join.table

Uses of RowSignature in org.apache.druid.data.input

Methods in org.apache.druid.data.input that return RowSignature

Modifier and Type	Method	Description
static RowSignature	TextReader.findOrCreateInputRowSignature(List<String> parsedLine)

Methods in org.apache.druid.data.input with parameters of type RowSignature

Modifier and Type	Method	Description
static InputRow	ListBasedInputRow.parse(RowSignature signature, TimestampSpec timestampSpec, List<String> dimensions, List<Object> data)	Create a row and parse a timestamp.

Constructors in org.apache.druid.data.input with parameters of type RowSignature

Modifier	Constructor	Description
	ListBasedInputRow(RowSignature signature, org.joda.time.DateTime timestamp, List<String> dimensions, List<Object> data)	Create a row.
	ListBasedInputRowAdapter(RowSignature fields)

Uses of RowSignature in org.apache.druid.frame.field

Methods in org.apache.druid.frame.field with parameters of type RowSignature

Modifier and Type	Method	Description
Column	ComplexFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	DoubleArrayFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	DoubleFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	FieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)	Create a Column which provides accses to the rows in the frame, via the Column.toAccessor().
Column	FloatArrayFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	FloatFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	LongArrayFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	LongFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)
Column	StringFieldReader.makeRACColumn(Frame frame, RowSignature signature, String columnName)

Uses of RowSignature in org.apache.druid.frame.key

Methods in org.apache.druid.frame.key with parameters of type RowSignature

Modifier and Type	Method	Description
Comparator<RowKey>	ClusterBy.bucketComparator(RowSignature rowSignature)	Comparator that compares bucket keys for this instance.
Comparator<byte[]>	ClusterBy.byteKeyComparator(RowSignature rowSignature)	Comparator that compares byte arrays of keys for this instance using the given signature directly.
static ByteRowKeyComparator	ByteRowKeyComparator.create(List<KeyColumn> keyColumns, RowSignature rowSignature)
static FrameComparisonWidgetImpl	FrameComparisonWidgetImpl.create(Frame frame, RowSignature signature, List<KeyColumn> keyColumns, List<FieldReader> keyColumnReaders)	Create a FrameComparisonWidget for the given frame.
static RowKeyComparator	RowKeyComparator.create(List<KeyColumn> keyColumns, RowSignature rowSignature)
static RowKeyComparisonRunLengths	RowKeyComparisonRunLengths.create(List<KeyColumn> keyColumns, RowSignature rowSignature)
static RowKeyReader	RowKeyReader.create(RowSignature signature, FrameType frameType)	Creates a new RowKeyReader.
Comparator<RowKey>	ClusterBy.keyComparator(RowSignature rowSignature)	Comparator that compares keys for this instance using the given signature.

Uses of RowSignature in org.apache.druid.frame.processor

Constructors in org.apache.druid.frame.processor with parameters of type RowSignature

Modifier	Constructor	Description
	MultiColumnSelectorFactory(List<Supplier<ColumnSelectorFactory>> factorySuppliers, RowSignature signature)

Uses of RowSignature in org.apache.druid.frame.read

Methods in org.apache.druid.frame.read that return RowSignature

Modifier and Type	Method	Description
RowSignature	FrameReader.signature()

Methods in org.apache.druid.frame.read with parameters of type RowSignature

Modifier and Type	Method	Description
static FrameReader	FrameReader.create(RowSignature signature)	Create a reader for frames with a given RowSignature.
static Supplier<MemoryRange<org.apache.datasketches.memory.Memory>>	FrameReaderUtils.makeRowMemorySupplier(ColumnSelectorFactory columnSelectorFactory, FrameType expectedFrameType, RowSignature expectedSignature)	Returns a direct row memory supplier if FrameReaderUtils.mayBeAbleToSelectRowMemory(org.apache.druid.segment.ColumnSelectorFactory), otherwise returns null.

Uses of RowSignature in org.apache.druid.frame.segment

Methods in org.apache.druid.frame.segment with parameters of type RowSignature

Modifier and Type	Method	Description
static void	FrameCursorUtils.throwIfColumnsHaveUnknownType(RowSignature rowSignature)	Throws UnsupportedColumnTypeException if the row signature has columns with unknown types.

Uses of RowSignature in org.apache.druid.frame.segment.columnar

Methods in org.apache.druid.frame.segment.columnar that return RowSignature

Modifier and Type	Method	Description
RowSignature	ColumnarFrameCursorFactory.getRowSignature()

Constructors in org.apache.druid.frame.segment.columnar with parameters of type RowSignature

Modifier	Constructor	Description
	ColumnarFrameCursorFactory(Frame frame, RowSignature signature, List<FrameColumnReader> columnReaders)
	FrameQueryableIndex(Frame frame, RowSignature signature, List<FrameColumnReader> columnReaders)

Uses of RowSignature in org.apache.druid.frame.segment.row

Methods in org.apache.druid.frame.segment.row that return RowSignature

Modifier and Type	Method	Description
RowSignature	RowFrameCursorFactory.getRowSignature()

Constructors in org.apache.druid.frame.segment.row with parameters of type RowSignature

Modifier	Constructor	Description
	FrameColumnSelectorFactory(Frame frame, RowSignature frameSignature, List<FieldReader> fieldReaders, ReadableFrameRowPointer rowPointer)

Uses of RowSignature in org.apache.druid.frame.wire

Constructors in org.apache.druid.frame.wire with parameters of type RowSignature

Modifier	Constructor	Description
	FrameWireTransferable(Frame frame, RowSignature signature)

Uses of RowSignature in org.apache.druid.frame.write

Methods in org.apache.druid.frame.write that return RowSignature

Modifier and Type	Method	Description
static RowSignature	FrameWriterUtils.replaceUnknownTypesWithNestedColumns(RowSignature rowSignature)
RowSignature	FrameWriterFactory.signature()
RowSignature	RowBasedFrameWriterFactory.signature()
static RowSignature	FrameWriters.sortableSignature(RowSignature signature, List<KeyColumn> keyColumns)	Returns a copy of "signature" with columns rearranged so the provided sortColumns appear as a prefix.

Methods in org.apache.druid.frame.write with parameters of type RowSignature

Modifier and Type	Method	Description
static Set<String>	FrameWriterUtils.findDisallowedFieldNames(RowSignature signature)	Checks the provided signature for any disallowed field names.
static FrameWriterFactory	FrameWriters.makeColumnBasedFrameWriterFactory(MemoryAllocatorFactory allocatorFactory, RowSignature signature, List<KeyColumn> sortColumns)
static FrameWriterFactory	FrameWriters.makeFrameWriterFactory(FrameType frameType, MemoryAllocatorFactory allocatorFactory, RowSignature signature, List<KeyColumn> sortColumns, boolean removeNullBytes)	Creates a FrameWriterFactory.
static RowSignature	FrameWriterUtils.replaceUnknownTypesWithNestedColumns(RowSignature rowSignature)
static RowSignature	FrameWriters.sortableSignature(RowSignature signature, List<KeyColumn> keyColumns)	Returns a copy of "signature" with columns rearranged so the provided sortColumns appear as a prefix.
static void	FrameWriterUtils.verifySortColumns(List<KeyColumn> keyColumns, RowSignature signature)	Verifies whether the provided sortColumns are all sortable, and are a prefix of the signature.

Constructors in org.apache.druid.frame.write with parameters of type RowSignature

Modifier	Constructor	Description
	RowBasedFrameWriter(FrameType frameType, RowSignature signature, List<KeyColumn> sortColumns, List<FieldWriter> fieldWriters, Supplier<MemoryRange<org.apache.datasketches.memory.Memory>> rowMemorySupplier, AppendableMemory rowOrderMemory, AppendableMemory rowOffsetMemory, AppendableMemory dataMemory)
	RowBasedFrameWriterFactory(MemoryAllocatorFactory allocatorFactory, FrameType frameType, RowSignature signature, List<KeyColumn> sortColumns, boolean removeNullBytes)

Uses of RowSignature in org.apache.druid.frame.write.columnar

Methods in org.apache.druid.frame.write.columnar that return RowSignature

Modifier and Type	Method	Description
RowSignature	ColumnarFrameWriterFactory.signature()

Constructors in org.apache.druid.frame.write.columnar with parameters of type RowSignature

Modifier	Constructor	Description
	ColumnarFrameWriter(RowSignature signature, List<KeyColumn> keyColumns, AppendableMemory rowOrderMemory, List<FrameColumnWriter> columnWriters)
	ColumnarFrameWriterFactory(MemoryAllocatorFactory allocatorFactory, RowSignature signature, List<KeyColumn> keyColumns)	Create a ColumnarFrameWriterFactory.

Uses of RowSignature in org.apache.druid.query

Methods in org.apache.druid.query that return RowSignature

Modifier and Type	Method	Description
default RowSignature	Query.getResultRowSignature()
default RowSignature	Query.getResultRowSignature(RowSignature.Finalization finalization)
RowSignature	FrameBasedInlineDataSource.getRowSignature()
RowSignature	FrameSignaturePair.getRowSignature()
RowSignature	InlineDataSource.getRowSignature()	Returns the row signature (map of column name to type) for this inline datasource.
RowSignature	QueryLogicCompatToolChest.resultArraySignature(Query<Object> query)
RowSignature	QueryToolChest.resultArraySignature(QueryType query)	Returns a RowSignature for the arrays returned by QueryToolChest.resultsAsArrays(QueryType, org.apache.druid.java.util.common.guava.Sequence<ResultType>).

Methods in org.apache.druid.query with parameters of type RowSignature

Modifier and Type	Method	Description
Druids.ScanQueryBuilder	Druids.ScanQueryBuilder.columns(RowSignature sig)
static InlineDataSource	InlineDataSource.fromIterable(Iterable<Object[]> rows, RowSignature signature)	Creates an inline datasource from an Iterable.
static Pair<Cursor,Closeable>	IterableRowsCursorHelper.getCursorFromIterable(Iterable<Object[]> rows, RowSignature rowSignature)	Creates a cursor that iterates over all the rows generated by the iterable.
static Pair<Cursor,Closeable>	IterableRowsCursorHelper.getCursorFromSequence(Sequence<Object[]> rows, RowSignature rowSignature)	Creates a cursor that iterates over all the rows generated by the sequence.
static Pair<Cursor,Closeable>	IterableRowsCursorHelper.getCursorFromYielder(Yielder<Object[]> yielderParam, RowSignature rowSignature)

Constructors in org.apache.druid.query with parameters of type RowSignature

Modifier	Constructor	Description
	FrameBasedInlineDataSource(List<FrameSignaturePair> frames, RowSignature rowSignature)
	FrameSignaturePair(Frame frame, RowSignature rowSignature)
	QueryLogicCompatToolChest(RowSignature resultRowSignature, GenericQueryMetricsFactory queryMetricsFactory)

Uses of RowSignature in org.apache.druid.query.groupby

Methods in org.apache.druid.query.groupby that return RowSignature

Modifier and Type	Method	Description
RowSignature	GroupByQuery.getResultRowSignature()
RowSignature	GroupByQuery.getResultRowSignature(RowSignature.Finalization finalization)	Returns a result row signature, of the same size as GroupByQuery.getResultRowSizeWithPostAggregators(), in the order that they will appear in ResultRows for this query.
RowSignature	GroupByQueryQueryToolChest.resultArraySignature(GroupByQuery query)

Uses of RowSignature in org.apache.druid.query.operator

Methods in org.apache.druid.query.operator that return RowSignature

Modifier and Type	Method	Description
RowSignature	WindowOperatorQuery.getResultRowSignature(RowSignature.Finalization finalization)
RowSignature	WindowOperatorQuery.getRowSignature()
RowSignature	WindowOperatorQueryQueryToolChest.resultArraySignature(WindowOperatorQuery query)

Constructors in org.apache.druid.query.operator with parameters of type RowSignature

Modifier	Constructor	Description
	WindowOperatorQuery(DataSource dataSource, QuerySegmentSpec intervals, Map<String,Object> context, RowSignature rowSignature, List<OperatorFactory> operators, List<OperatorFactory> leafOperators)

Uses of RowSignature in org.apache.druid.query.rowsandcols

Methods in org.apache.druid.query.rowsandcols with parameters of type RowSignature

Modifier and Type	Method	Description
static MapOfColumnsRowsAndColumns	MapOfColumnsRowsAndColumns.fromResultRow(ArrayList<ResultRow> objs, RowSignature signature)
static MapOfColumnsRowsAndColumns	MapOfColumnsRowsAndColumns.fromResultRowTillIndex(ArrayList<ResultRow> objs, RowSignature signature, int index)
static MapOfColumnsRowsAndColumns	MapOfColumnsRowsAndColumns.fromRowObjects(Object[][] objs, RowSignature signature)

Constructors in org.apache.druid.query.rowsandcols with parameters of type RowSignature

Modifier	Constructor	Description
	ArrayListRowsAndColumns(ArrayList<RowType> rows, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)

Uses of RowSignature in org.apache.druid.query.rowsandcols.concrete

Methods in org.apache.druid.query.rowsandcols.concrete that return RowSignature

Modifier and Type	Method	Description
RowSignature	AbstractFrameRowsAndColumns.getSignature()
RowSignature	FrameRowsAndColumns.getSignature()	Returns a signature, which may or may not be available.

Constructors in org.apache.druid.query.rowsandcols.concrete with parameters of type RowSignature

Modifier	Constructor	Description
	AbstractFrameRowsAndColumns(Frame frame, RowSignature signature)
	ColumnBasedFrameRowsAndColumns(Frame frame, RowSignature signature)
	RowBasedFrameRowsAndColumns(Frame frame, RowSignature signature)

Uses of RowSignature in org.apache.druid.query.rowsandcols.semantic

Methods in org.apache.druid.query.rowsandcols.semantic that return RowSignature

Modifier and Type	Method	Description
RowSignature	DefaultFrameMaker.computeSignature()
RowSignature	FrameMaker.computeSignature()

Uses of RowSignature in org.apache.druid.query.scan

Methods in org.apache.druid.query.scan that return RowSignature

Modifier and Type	Method	Description
RowSignature	ScanQuery.getResultRowSignature(RowSignature.Finalization finalization)
RowSignature	ScanQuery.getRowSignature()	Returns the RowSignature.
RowSignature	ScanResultValue.getRowSignature()
RowSignature	ScanQueryQueryToolChest.resultArraySignature(ScanQuery query)

Constructors in org.apache.druid.query.scan with parameters of type RowSignature

Modifier	Constructor	Description
	ScanResultValue(String segmentId, List<String> columns, Object events, RowSignature rowSignature)
	ScanResultValueFramesIterable(Sequence<ScanResultValue> resultSequence, MemoryAllocatorFactory memoryAllocatorFactory, boolean useNestedForUnknownTypes, RowSignature defaultRowSignature, com.google.common.base.Function<RowSignature,com.google.common.base.Function<?,Object[]>> resultFormatMapper)
	SettableCursorColumnSelectorFactory(Supplier<Cursor> cursorSupplier, RowSignature rowSignature)

Constructor parameters in org.apache.druid.query.scan with type arguments of type RowSignature

Modifier	Constructor	Description
	ScanResultValueFramesIterable(Sequence<ScanResultValue> resultSequence, MemoryAllocatorFactory memoryAllocatorFactory, boolean useNestedForUnknownTypes, RowSignature defaultRowSignature, com.google.common.base.Function<RowSignature,com.google.common.base.Function<?,Object[]>> resultFormatMapper)

Uses of RowSignature in org.apache.druid.query.timeboundary

Methods in org.apache.druid.query.timeboundary that return RowSignature

Modifier and Type	Method	Description
RowSignature	TimeBoundaryQueryQueryToolChest.resultArraySignature(TimeBoundaryQuery query)

Uses of RowSignature in org.apache.druid.query.timeseries

Methods in org.apache.druid.query.timeseries that return RowSignature

Modifier and Type	Method	Description
RowSignature	TimeseriesQuery.getResultRowSignature(RowSignature.Finalization finalization)
RowSignature	TimeseriesQueryQueryToolChest.resultArraySignature(TimeseriesQuery query)

Uses of RowSignature in org.apache.druid.query.topn

Methods in org.apache.druid.query.topn that return RowSignature

Modifier and Type	Method	Description
RowSignature	TopNQuery.getResultRowSignature(RowSignature.Finalization finalization)
RowSignature	TopNQueryQueryToolChest.resultArraySignature(TopNQuery query)

Uses of RowSignature in org.apache.druid.query.union

Methods in org.apache.druid.query.union that return RowSignature

Modifier and Type	Method	Description
RowSignature	UnionQuery.getResultRowSignature(RowSignature.Finalization finalization)

Uses of RowSignature in org.apache.druid.segment

Methods in org.apache.druid.segment that return RowSignature

Modifier and Type	Method	Description
RowSignature	CursorFactory.getRowSignature()	Returns the RowSignature of the data available from this cursor factory.
RowSignature	FilteredCursorFactory.getRowSignature()
RowSignature	QueryableIndexCursorFactory.getRowSignature()
RowSignature	RestrictedCursorFactory.getRowSignature()
RowSignature	RowBasedCursorFactory.getRowSignature()
RowSignature	SchemaPayload.getRowSignature()
RowSignature	UnnestCursorFactory.getRowSignature()

Constructors in org.apache.druid.segment with parameters of type RowSignature

Modifier	Constructor	Description
	ArrayListSegment(ArrayList<RowType> rows, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)	Create a list-based segment.
	RowBasedCursor(RowWalker<RowType> rowWalker, RowAdapter<RowType> rowAdapter, Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, RowSignature rowSignature)
	RowBasedCursorFactory(Sequence<RowType> rowSequence, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)
	RowBasedSegment(Sequence<RowType> rowSequence, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)	Create a row-based segment.
	SchemaPayload(RowSignature rowSignature)
	SchemaPayload(RowSignature rowSignature, Map<String,AggregatorFactory> aggregatorFactories)

Uses of RowSignature in org.apache.druid.segment.column

Methods in org.apache.druid.segment.column that return RowSignature

Modifier and Type	Method	Description
RowSignature	RowSignature.Builder.build()
RowSignature	RowSignature.buildSafeSignature(List<String> requestedColumnNames)	Builds a safe RowSignature.
static RowSignature	RowSignature.empty()
RowSignature	RowSignature.withPrefix(String prefix)

Methods in org.apache.druid.segment.column with parameters of type RowSignature

Modifier and Type	Method	Description
RowSignature.Builder	RowSignature.Builder.addAll(RowSignature other)

Uses of RowSignature in org.apache.druid.segment.incremental

Methods in org.apache.druid.segment.incremental that return RowSignature

Modifier and Type	Method	Description
RowSignature	IncrementalIndexCursorFactory.getRowSignature()

Uses of RowSignature in org.apache.druid.segment.join

Methods in org.apache.druid.segment.join that return RowSignature

Modifier and Type	Method	Description
RowSignature	HashJoinSegmentCursorFactory.getRowSignature()

Uses of RowSignature in org.apache.druid.segment.join.table

Methods in org.apache.druid.segment.join.table that return RowSignature

Modifier and Type	Method	Description
RowSignature	BroadcastSegmentIndexedTable.rowSignature()
RowSignature	FrameBasedIndexedTable.rowSignature()
RowSignature	IndexedTable.rowSignature()	Returns the signature of this table, which includes all key columns (as well as other columns that can be selected, but are not keys).
RowSignature	ReferenceCountedIndexedTableProvider.rowSignature()
RowSignature	RowBasedIndexedTable.rowSignature()

Constructors in org.apache.druid.segment.join.table with parameters of type RowSignature

Modifier	Constructor	Description
	RowBasedIndexedTable(List<RowType> table, RowAdapter<RowType> rowAdapter, RowSignature rowSignature, Set<String> keyColumns, String version)
	RowBasedIndexedTable(List<RowType> table, RowAdapter<RowType> rowAdapter, RowSignature rowSignature, Set<String> keyColumns, String version, byte[] cacheKey)