A helper class for piece-wise construction of an RClusterDescriptor.

The cluster descriptor builder starts from a summary-only cluster descriptor and allows for the piecewise addition of page locations.

Definition at line 854 of file RNTupleDescriptor.hxx.

Public Member Functions
	RClusterDescriptorBuilder (DescriptorId_t clusterId, std::uint64_t firstEntryIndex, std::uint64_t nEntries)
	Make an empty cluster descriptor builder.

RResult< void >	CommitColumnRange (DescriptorId_t columnId, std::uint64_t firstElementIndex, std::uint32_t compressionSettings, const RClusterDescriptor::RPageRange &pageRange)

RResult< RClusterDescriptor >	MoveDescriptor ()
	Move out the full cluster descriptor including page locations.

Constructor & Destructor Documentation

◆ RClusterDescriptorBuilder()

ROOT::Experimental::RClusterDescriptorBuilder::RClusterDescriptorBuilder	(	DescriptorId_t	clusterId,
		std::uint64_t	firstEntryIndex,
		std::uint64_t	nEntries
	)

inline

Make an empty cluster descriptor builder.

Definition at line 860 of file RNTupleDescriptor.hxx.

ROOT::Experimental::RResult< void > ROOT::Experimental::RClusterDescriptorBuilder::CommitColumnRange	(	DescriptorId_t	columnId,
		std::uint64_t	firstElementIndex,
		std::uint32_t	compressionSettings,
		const RClusterDescriptor::RPageRange &	pageRange
	)

Definition at line 400 of file RNTupleDescriptor.cxx.

ROOT::Experimental::RResult< ROOT::Experimental::RClusterDescriptor > ROOT::Experimental::RClusterDescriptorBuilder::MoveDescriptor ( )

Move out the full cluster descriptor including page locations.

Definition at line 420 of file RNTupleDescriptor.cxx.

RClusterDescriptor ROOT::Experimental::RClusterDescriptorBuilder::fCluster

private

Definition at line 856 of file RNTupleDescriptor.hxx.

Libraries for ROOT::Experimental::RClusterDescriptorBuilder:

The documentation for this class was generated from the following files: