RArrowDS.cxx File Reference

#include <ROOT/RDF/Utils.hxx>
#include <ROOT/TSeq.hxx>
#include <ROOT/RArrowDS.hxx>
#include <snprintf.h>
#include <algorithm>
#include <memory>
#include <sstream>
#include <string>
#include <arrow/table.h>
#include <arrow/stl.h>

Include dependency graph for RArrowDS.cxx:

Classes
class	ROOT::Internal::RDF::ArrayPtrVisitor
class	ROOT::RDF::RDFTypeNameGetter
	Helper to get the contents of a given column. More...
struct	ROOT::Internal::RDF::RootConversionTraits< T >
struct	ROOT::Internal::RDF::RootConversionTraits< bool >
struct	ROOT::Internal::RDF::RootConversionTraits< double >
struct	ROOT::Internal::RDF::RootConversionTraits< float >
struct	ROOT::Internal::RDF::RootConversionTraits< int16_t >
struct	ROOT::Internal::RDF::RootConversionTraits< int32_t >
struct	ROOT::Internal::RDF::RootConversionTraits< int8_t >
struct	ROOT::Internal::RDF::RootConversionTraits< Long64_t >
struct	ROOT::Internal::RDF::RootConversionTraits< uint16_t >
struct	ROOT::Internal::RDF::RootConversionTraits< uint32_t >
struct	ROOT::Internal::RDF::RootConversionTraits< uint8_t >
struct	ROOT::Internal::RDF::RootConversionTraits< ULong64_t >
class	ROOT::Internal::RDF::TValueGetter
	Helper class which keeps track for each slot where to get the entry. More...
class	ROOT::RDF::VerifyValidColumnType
	Helper to determine if a given Column is a supported type. More...

Namespaces
namespace	ROOT
	tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tbb::task_arena without forward declaring tbb::interface7
namespace	ROOT::Internal
namespace	ROOT::Internal::RDF
namespace	ROOT::RDF

Macros
#define	ROOT_ARROW_STL_CONVERSION(c_type, ArrowType_)

Functions
RDataFrame	ROOT::RDF::FromArrow (std::shared_ptr< arrow::Table > table, std::vector< std::string > const &columnNames)
	Factory method to create a Apache Arrow RDataFrame.
template<typename T >
std::shared_ptr< arrow::ChunkedArray >	ROOT::RDF::getData (T p)
int	ROOT::RDF::getNRecords (std::shared_ptr< arrow::Table > &table, std::vector< std::string > &columnNames)
void	ROOT::RDF::splitInEqualRanges (std::vector< std::pair< ULong64_t, ULong64_t > > &ranges, int nRecords, unsigned int nSlots)

Macro Definition Documentation

ROOT_ARROW_STL_CONVERSION

#define ROOT_ARROW_STL_CONVERSION	(		c_type,
			ArrowType_ )

Value:

   template <>                                         \
   struct RootConversionTraits<c_type> {               \
   using ArrowType = ::arrow::ArrowType_;              \
   };

Definition at line 62 of file RArrowDS.cxx.