Uses of Class
org.apache.druid.frame.key.SortColumn

Packages that use SortColumn

Package	Description
org.apache.druid.frame.key
org.apache.druid.frame.read
org.apache.druid.frame.write
org.apache.druid.frame.write.columnar

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

Methods in org.apache.druid.frame.key that return types with arguments of type SortColumn

Modifier and Type	Method and Description
List<SortColumn>	ClusterBy.getColumns() The columns that comprise this key, in order.

Method parameters in org.apache.druid.frame.key with type arguments of type SortColumn

Modifier and Type	Method and Description
static int[]	ByteRowKeyComparator.computeAscDescRunLengths(List<SortColumn> sortColumns) Given a list of sort columns, compute an array of the number of ascending fields in a run, followed by number of descending fields in a run, followed by ascending, etc.
static FrameComparisonWidgetImpl	FrameComparisonWidgetImpl.create(Frame frame, FrameReader frameReader, List<SortColumn> sortColumns) Create a FrameComparisonWidget for the given frame.
static RowKeyComparator	RowKeyComparator.create(List<SortColumn> keyColumns)
static ByteRowKeyComparator	ByteRowKeyComparator.create(List<SortColumn> keyColumns)

Constructor parameters in org.apache.druid.frame.key with type arguments of type SortColumn

Constructor and Description
ClusterBy(List<SortColumn> columns, int bucketByCount)

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

Method parameters in org.apache.druid.frame.read with type arguments of type SortColumn

Modifier and Type	Method and Description
FrameComparisonWidget	FrameReader.makeComparisonWidget(Frame frame, List<SortColumn> sortColumns) Create a FrameComparisonWidget for the given frame.

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

Method parameters in org.apache.druid.frame.write with type arguments of type SortColumn

Modifier and Type	Method and Description
static FrameWriterFactory	FrameWriters.makeFrameWriterFactory(FrameType frameType, MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns) Creates a FrameWriterFactory that produces frames of the given FrameType.
static void	FrameSort.sort(Frame frame, FrameReader frameReader, List<SortColumn> sortColumns) Sort the given frame in-place.
static RowSignature	FrameWriters.sortableSignature(RowSignature signature, List<SortColumn> sortColumns) Returns a copy of "signature" with columns rearranged so the provided sortColumns appear as a prefix.
static void	FrameWriterUtils.verifySortColumns(List<SortColumn> sortColumns, RowSignature signature) Verifies whether the provided sortColumns are all sortable, and are a prefix of the signature.

Constructor parameters in org.apache.druid.frame.write with type arguments of type SortColumn

Constructor and Description
RowBasedFrameWriter(RowSignature signature, List<SortColumn> sortColumns, List<FieldWriter> fieldWriters, Supplier<MemoryRange<org.apache.datasketches.memory.Memory>> rowMemorySupplier, AppendableMemory rowOrderMemory, AppendableMemory rowOffsetMemory, AppendableMemory dataMemory)
RowBasedFrameWriterFactory(MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns)

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

Constructor parameters in org.apache.druid.frame.write.columnar with type arguments of type SortColumn

Constructor and Description
ColumnarFrameWriter(RowSignature signature, List<SortColumn> sortColumns, AppendableMemory rowOrderMemory, List<FrameColumnWriter> columnWriters)
ColumnarFrameWriterFactory(MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns) Create a ColumnarFrameWriterFactory.