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

Packages that use RowSignature

Package	Description
org.apache.druid.data.input
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.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.scan
org.apache.druid.query.timeboundary
org.apache.druid.query.timeseries
org.apache.druid.query.topn
org.apache.druid.segment
org.apache.druid.segment.column
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

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.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)	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

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, 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 that return RowSignature

Modifier and Type	Method	Description
RowSignature	FrameStorageAdapter.getRowSignature()

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

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

Constructor	Description
FrameCursorFactory(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

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

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

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.makeFrameWriterFactory(FrameType frameType, MemoryAllocatorFactory allocatorFactory, RowSignature signature, List<KeyColumn> sortColumns)	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

Constructor	Description
RowBasedFrameWriter(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, RowSignature signature, List<KeyColumn> sortColumns)

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

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
RowSignature	FrameBasedInlineDataSource.getRowSignature()
RowSignature	FrameSignaturePair.getRowSignature()
RowSignature	InlineDataSource.getRowSignature()	Returns the row signature (map of column name to type) for this inline datasource.
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
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

Constructor	Description
FrameBasedInlineDataSource(List<FrameSignaturePair> frames, RowSignature rowSignature)
FrameSignaturePair(Frame frame, RowSignature rowSignature)

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()	Equivalent to getResultRowSignature(Finalization.UNKNOWN).
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.getRowSignature()
RowSignature	WindowOperatorQueryQueryToolChest.resultArraySignature(WindowOperatorQuery query)

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

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.fromRowObjects(Object[][] objs, RowSignature signature)

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

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

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

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

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

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.getRowSignature()	Returns the RowSignature.
RowSignature	ScanQuery.getRowSignature(boolean defaultIsLegacy)
RowSignature	ScanResultValue.getRowSignature()
RowSignature	ScanQueryQueryToolChest.resultArraySignature(ScanQuery query)

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

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

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	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	TopNQueryQueryToolChest.resultArraySignature(TopNQuery query)

Uses of RowSignature in org.apache.druid.segment

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

Modifier and Type	Method	Description
RowSignature	RowBasedStorageAdapter.getRowSignature()
RowSignature	SchemaPayload.getRowSignature()
default RowSignature	StorageAdapter.getRowSignature()	Returns the row signature of the data available from this adapter.

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

Constructor	Description
ArrayListSegment(SegmentId segmentId, 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, Granularity gran, boolean descending, RowSignature rowSignature)
RowBasedSegment(SegmentId segmentId, Sequence<RowType> rowSequence, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)	Create a row-based segment.
RowBasedStorageAdapter(Sequence<RowType> rowSequence, RowAdapter<RowType> rowAdapter, RowSignature rowSignature)
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(com.google.common.collect.ImmutableList<String> requestedColumnNames)	Builds a safe RowSignature.
static RowSignature	RowSignature.empty()

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.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	ReferenceCountingIndexedTable.rowSignature()
RowSignature	RowBasedIndexedTable.rowSignature()

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

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)