Namespaces
namespace	GraphDrawing

Classes
class	DisplayHelper

class	PassAsVecHelper

class	PassAsVecHelper< std::index_sequence< N... >, T, F >

class	RAction
	An action node in a RDF computation graph. More...

class	RAction< SnapshotHelper< ColTypes... >, PrevDataFrame, ROOT::TypeTraits::TypeList< ColTypes... > >

class	RAction< SnapshotHelperMT< ColTypes... >, PrevDataFrame, ROOT::TypeTraits::TypeList< ColTypes... > >

class	RActionBase

class	RActionCRTP
	Unused, not instantiatable. Only the partial specialization RActionCRTP<RAction<...>> can be used. More...

class	RActionCRTP< RAction< Helper, PrevDataFrame, ColumnTypes_t > >
	A common template base class for all RActions. More...

class	RBookedCustomColumns
	Encapsulates the columns defined by the user. More...

class	RColumnValue
	Helper class that updates and returns TTree branches as well as RDataFrame temporary columns. More...

class	RDisplayElement
	Helper class to let Display print compact tabular representations of the events. More...

class	RJittedAction

class	RSlotStack
	This is an helper class to allow to pick a slot resorting to a map indexed by thread ids. More...

class	RTypeErasedColumnValue
	A type-erasing wrapper around RColumnValue. More...

class	SnapshotHelper

class	SnapshotHelperMT

struct	TRDFValueTuple

struct	TRDFValueTuple< TypeList< BranchTypes... > >

struct	TReaderValueOrArray
	Choose between TTreeReader{Array,Value} depending on whether the branch type T is a `RVec<T>` or any other type (respectively). More...

struct	TReaderValueOrArray< RVec< T > >

Typedefs
template<typename BranchType >
using	RDFValueTuple_t = typename TRDFValueTuple< BranchType >::type

template<typename T >
using	ReaderValueOrArray_t = typename TReaderValueOrArray< T >::Proxy_t

Functions
bool	AtLeastOneEmptyString (const std::vector< std::string_view > strings)

void	BookDefineJit (std::string_view name, std::string_view expression, RLoopManager &lm, RDataSource *ds, const std::shared_ptr< RJittedCustomColumn > &jittedCustomColumn, const RDFInternal::RBookedCustomColumns &customCols, const ColumnNames_t &branches)

void	BookFilterJit (RJittedFilter jittedFilter, void prevNodeOnHeap, std::string_view name, std::string_view expression, const std::map< std::string, std::string > &aliasMap, const ColumnNames_t &branches, const RDFInternal::RBookedCustomColumns &customCols, TTree tree, RDataSource ds, unsigned int namespaceID)

std::string	BuildLambdaString (const std::string &expr, const ColumnNames_t &vars, const ColumnNames_t &varTypes, bool hasReturnStmt)

void	CheckCustomColumn (std::string_view definedCol, TTree *treePtr, const ColumnNames_t &customCols, const std::map< std::string, std::string > &aliasMap, const ColumnNames_t &dataSourceColumns)

void	CheckTypesAndPars (unsigned int nTemplateParams, unsigned int nColumnNames)

std::string	ColumnName2ColumnTypeName (const std::string &colName, unsigned int namespaceID, TTree tree, RDataSource ds, bool isCustomColumn, bool vector2rvec, unsigned int customColID)
	Return a string containing the type of the given branch. More...

std::vector< std::string >	ColumnTypesAsString (ColumnNames_t &colNames, ColumnNames_t &varNames, const std::map< std::string, std::string > &aliasMap, TTree tree, RDataSource ds, std::string &expr, unsigned int namespaceID, const RDFInternal::RBookedCustomColumns &customCols)

std::string	ComposeRVecTypeName (const std::string &valueType)

ColumnNames_t	ConvertRegexToColumns (const RDFInternal::RBookedCustomColumns &customColumns, TTree tree, ROOT::RDF::RDataSource dataSource, std::string_view columnNameRegexp, std::string_view callerName)

HeadNode_t	CreateSnapshotRDF (const ColumnNames_t &validCols, std::string_view treeName, std::string_view fileName, bool isLazy, RLoopManager &loopManager, std::unique_ptr< RDFInternal::RActionBase > actionPtr)

std::string	DemangleTypeIdName (const std::type_info &typeInfo)

std::vector< bool >	FindUndefinedDSColumns (const ColumnNames_t &requestedCols, const ColumnNames_t &definedCols)
	Return a bitset each element of which indicates whether the corresponding element in `selectedColumns` is the name of a column that must be defined via datasource. More...

ColumnNames_t	FindUnknownColumns (const ColumnNames_t &requiredCols, const ColumnNames_t &datasetColumns, const ColumnNames_t &definedCols, const ColumnNames_t &dataSourceColumns)

std::vector< std::string >	FindUsedColumnNames (std::string_view expression, ColumnNames_t branches, const ColumnNames_t &customColumns, const ColumnNames_t &dsColumns, const std::map< std::string, std::string > &aliasMap)

ULong64_t	GetAddress (std::vector< std::string > &p)

ULong64_t	GetAddress (TTree &p)

ColumnNames_t	GetBranchNames (TTree &t, bool allowDuplicates=true)
	Get all the branches names, including the ones of the friend trees. More...

std::string	GetBranchOrLeafTypeName (TTree &t, const std::string &colName)
	Return the typename of object colName stored in t, if any. More...

std::vector< std::string >	GetFilterNames (const std::shared_ptr< RLoopManager > &loopManager)

std::string	GetLeafTypeName (TLeaf *leaf, const std::string &colName)

unsigned int	GetNSlots ()

std::set< std::string >	GetPotentialColumnNames (const std::string &expr)
	A tokeniser for the expression which is in C++ The goal is to extract all names which are potentially columns. More...

ColumnNames_t	GetTopLevelBranchNames (TTree &t)
	Get all the top-level branches names, including the ones of the friend trees. More...

void	GetTopLevelBranchNamesImpl (TTree &t, std::set< std::string > &bNamesReg, ColumnNames_t &bNames, std::set< TTree * > &analysedTrees)

ColumnNames_t	GetValidatedColumnNames (RLoopManager &lm, const unsigned int nColumns, const ColumnNames_t &columns, const ColumnNames_t &validCustomColumns, RDataSource *ds)
	Given the desired number of columns and the user-provided list of columns: More...

template<typename dtype >
ULong64_t	GetVectorAddress (std::vector< dtype > &p)

template<typename RDFValueTuple , std::size_t... S>
void	InitRDFValues (unsigned int slot, RDFValueTuple &valueTuple, TTreeReader *r, const ColumnNames_t &bn, const RBookedCustomColumns &customCols, std::index_sequence< S... >, const std::array< bool, sizeof...(S)> &isCustomColumn)
	Initialize a tuple of RColumnValues. More...

template<std::size_t... S, typename... ColTypes>
void	InitRDFValues (unsigned int slot, std::vector< RTypeErasedColumnValue > &values, TTreeReader *r, const ColumnNames_t &bn, const RBookedCustomColumns &customCols, std::index_sequence< S... >, ROOT::TypeTraits::TypeList< ColTypes... >, const std::array< bool, sizeof...(S)> &isTmpColumn)
	This overload is specialized to act on RTypeErasedColumnValues instead of RColumnValues. More...

Long64_t	InterpreterCalc (const std::string &code, const std::string &context)

void	InterpreterDeclare (const std::string &code)

bool	IsInternalColumn (std::string_view colName)

bool	IsValidCppVarName (const std::string &var)

std::string	JitBuildAction (const ColumnNames_t &bl, void prevNode, const std::type_info &art, const std::type_info &at, void rOnHeap, TTree tree, const unsigned int nSlots, const RDFInternal::RBookedCustomColumns &customCols, RDataSource ds, std::shared_ptr< RJittedAction > *jittedActionOnHeap, unsigned int namespaceID)

template<typename... ArgTypes, typename F >
std::function< bool(ArgTypes...)>	NotHelper (ROOT::TypeTraits::TypeList< ArgTypes... >, F &&f)

template<typename... ArgTypes, typename Ret , typename... Args>
std::function< bool(ArgTypes...)>	NotHelper (ROOT::TypeTraits::TypeList< ArgTypes... >, Ret(*f)(Args...))

template<std::size_t N, typename T , typename F >
auto	PassAsVec (F &&f) -> PassAsVecHelper< std::make_index_sequence< N >, T, F >

std::string	PrettyPrintAddr (const void *const addr)

template<typename T >
ROOT::RDF::RResultPtr< std::vector< T > >	RDataFrameTake (ROOT::RDF::RNode df, std::string_view column)

unsigned int	Replace (std::string &s, const std::string what, const std::string withWhat)

std::vector< std::string >	ReplaceDots (const ColumnNames_t &colNames)

std::vector< std::string >	ReplaceDotWithUnderscore (const std::vector< std::string > &columnNames)
	Replace occurrences of '. More...

template<std::size_t... S, typename... ColTypes>
void	ResetRDFValueTuple (std::vector< RTypeErasedColumnValue > &values, std::index_sequence< S... >, ROOT::TypeTraits::TypeList< ColTypes... >)
	This overload is specialized to act on RTypeErasedColumnValues instead of RColumnValues. More...

template<typename ValueTuple , std::size_t... S>
void	ResetRDFValueTuple (ValueTuple &values, std::index_sequence< S... >)
	Clear the proxies of a tuple of RColumnValues. More...

const ColumnNames_t	SelectColumns (unsigned int nRequiredNames, const ColumnNames_t &names, const ColumnNames_t &defaultNames)
	Choose between local column names or default column names, throw in case of errors. More...

void	TryToJitExpression (const std::string &expression, const ColumnNames_t &colNames, const std::vector< std::string > &colTypes, bool hasReturnStmt)

template<typename BufType , typename... ColTypes, std::size_t... Idx>
void	TTreeAsFlatMatrix (std::index_sequence< Idx... >, TTree &tree, std::vector< BufType > &matrix, std::vector< std::string > &columns)

template<typename BufType , typename... ColTypes>
void	TTreeAsFlatMatrixHelper (TTree &tree, std::vector< BufType > &matrix, std::vector< std::string > &columns)

std::string	TypeID2TypeName (const std::type_info &id)
	Returns the name of a type starting from its type_info An empty string is returned in case of failure References and pointers are not supported since those cannot be stored in columns. More...

char	TypeName2ROOTTypeName (const std::string &b)
	Convert type name (e.g. More...

const std::type_info &	TypeName2TypeID (const std::string &name)
	Return the type_info associated to a name. More...

std::shared_ptr< RNodeBase >	UpcastNode (std::shared_ptr< RNodeBase > ptr)

Typedef Documentation

◆ RDFValueTuple_t

template<typename BranchType >

using ROOT::Internal::RDF::RDFValueTuple_t = typedef typename TRDFValueTuple<BranchType>::type

Definition at line 317 of file RColumnValue.hxx.

◆ ReaderValueOrArray_t

template<typename T >

using ROOT::Internal::RDF::ReaderValueOrArray_t = typedef typename TReaderValueOrArray<T>::Proxy_t

Definition at line 47 of file NodesUtils.hxx.

Function Documentation

◆ AtLeastOneEmptyString()

bool ROOT::Internal::RDF::AtLeastOneEmptyString ( const std::vector< std::string_view > strings )

Definition at line 779 of file RDFInterfaceUtils.cxx.

◆ BookDefineJit()

void ROOT::Internal::RDF::BookDefineJit	(	std::string_view	name,
		std::string_view	expression,
		RLoopManager &	lm,
		RDataSource *	ds,
		const std::shared_ptr< RJittedCustomColumn > &	jittedCustomColumn,
		const RDFInternal::RBookedCustomColumns &	customCols,
		const ColumnNames_t &	branches
	)

Definition at line 652 of file RDFInterfaceUtils.cxx.

◆ BookFilterJit()

void ROOT::Internal::RDF::BookFilterJit	(	RJittedFilter *	jittedFilter,
		void *	prevNodeOnHeap,
		std::string_view	name,
		std::string_view	expression,
		const std::map< std::string, std::string > &	aliasMap,
		const ColumnNames_t &	branches,
		const RDFInternal::RBookedCustomColumns &	customCols,
		TTree *	tree,
		RDataSource *	ds,
		unsigned int	namespaceID
	)

Definition at line 599 of file RDFInterfaceUtils.cxx.

◆ BuildLambdaString()

std::string ROOT::Internal::RDF::BuildLambdaString	(	const std::string &	expr,
		const ColumnNames_t &	vars,
		const ColumnNames_t &	varTypes,
		bool	hasReturnStmt
	)

Definition at line 565 of file RDFInterfaceUtils.cxx.

◆ CheckCustomColumn()

void ROOT::Internal::RDF::CheckCustomColumn	(	std::string_view	definedCol,
		TTree *	treePtr,
		const ColumnNames_t &	customCols,
		const std::map< std::string, std::string > &	aliasMap,
		const ColumnNames_t &	dataSourceColumns
	)

Definition at line 267 of file RDFInterfaceUtils.cxx.

◆ CheckTypesAndPars()

void ROOT::Internal::RDF::CheckTypesAndPars	(	unsigned int	nTemplateParams,
		unsigned int	nColumnNames
	)

Definition at line 308 of file RDFInterfaceUtils.cxx.

◆ ColumnName2ColumnTypeName()

std::string ROOT::Internal::RDF::ColumnName2ColumnTypeName	(	const std::string &	colName,
		unsigned int	namespaceID,
		TTree *	tree,
		RDataSource *	ds,
		bool	isCustomColumn,
		bool	vector2rvec,
		unsigned int	customColID
	)

Return a string containing the type of the given branch.

Works both with real TTree branches and with temporary column created by Define. Throws if type name deduction fails. Note that for fixed- or variable-sized c-style arrays the returned type name will be RVec<T>. vector2rvec specifies whether typename 'std::vector<T>' should be converted to 'RVec<T>' or returned as is customColID is only used if isCustomColumn is true, and must correspond to the custom column's unique identifier returned by its GetID() method.

Definition at line 210 of file RDFUtils.cxx.

◆ ColumnTypesAsString()

std::vector< std::string > ROOT::Internal::RDF::ColumnTypesAsString	(	ColumnNames_t &	colNames,
		ColumnNames_t &	varNames,
		const std::map< std::string, std::string > &	aliasMap,
		TTree *	tree,
		RDataSource *	ds,
		std::string &	expr,
		unsigned int	namespaceID,
		const RDFInternal::RBookedCustomColumns &	customCols
	)

Definition at line 479 of file RDFInterfaceUtils.cxx.

◆ ComposeRVecTypeName()

std::string ROOT::Internal::RDF::ComposeRVecTypeName ( const std::string & valueType )

Definition at line 117 of file RDFUtils.cxx.

◆ ConvertRegexToColumns()

ColumnNames_t ROOT::Internal::RDF::ConvertRegexToColumns	(	const RDFInternal::RBookedCustomColumns &	customColumns,
		TTree *	tree,
		ROOT::RDF::RDataSource *	dataSource,
		std::string_view	columnNameRegexp,
		std::string_view	callerName
	)

Definition at line 145 of file RDFInterfaceUtils.cxx.

◆ CreateSnapshotRDF()

HeadNode_t ROOT::Internal::RDF::CreateSnapshotRDF	(	const ColumnNames_t &	validCols,
		std::string_view	treeName,
		std::string_view	fileName,
		bool	isLazy,
		RLoopManager &	loopManager,
		std::unique_ptr< RDFInternal::RActionBase >	actionPtr
	)

Definition at line 121 of file RDFInterfaceUtils.cxx.

◆ DemangleTypeIdName()

std::string ROOT::Internal::RDF::DemangleTypeIdName ( const std::type_info & typeInfo )

Definition at line 139 of file RDFInterfaceUtils.cxx.

◆ FindUndefinedDSColumns()

std::vector< bool > ROOT::Internal::RDF::FindUndefinedDSColumns	(	const ColumnNames_t &	requestedCols,
		const ColumnNames_t &	definedCols
	)

Return a bitset each element of which indicates whether the corresponding element in selectedColumns is the name of a column that must be defined via datasource.

All elements of the returned vector are false if no data-source is present.

Definition at line 835 of file RDFInterfaceUtils.cxx.

◆ FindUnknownColumns()

ColumnNames_t ROOT::Internal::RDF::FindUnknownColumns	(	const ColumnNames_t &	requiredCols,
		const ColumnNames_t &	datasetColumns,
		const ColumnNames_t &	definedCols,
		const ColumnNames_t &	dataSourceColumns
	)

Definition at line 347 of file RDFInterfaceUtils.cxx.

◆ FindUsedColumnNames()

std::vector< std::string > ROOT::Internal::RDF::FindUsedColumnNames	(	std::string_view	expression,
		ColumnNames_t	branches,
		const ColumnNames_t &	customColumns,
		const ColumnNames_t &	dsColumns,
		const std::map< std::string, std::string > &	aliasMap
	)

Definition at line 396 of file RDFInterfaceUtils.cxx.

◆ GetAddress() [1/2]

ULong64_t ROOT::Internal::RDF::GetAddress ( std::vector< std::string > & p )

inline

Definition at line 30 of file PyROOTHelpers.hxx.

◆ GetAddress() [2/2]

ULong64_t ROOT::Internal::RDF::GetAddress ( TTree & p )

inline

Definition at line 34 of file PyROOTHelpers.hxx.

◆ GetBranchNames()

ColumnNames_t ROOT::Internal::RDF::GetBranchNames	(	TTree &	t,
		bool	allowDuplicates = `true`
	)

Get all the branches names, including the ones of the friend trees.

Definition at line 177 of file RLoopManager.cxx.

◆ GetBranchOrLeafTypeName()

std::string ROOT::Internal::RDF::GetBranchOrLeafTypeName	(	TTree &	t,
		const std::string &	colName
	)

Return the typename of object colName stored in t, if any.

Return an empty string if colName is not in t. Supported cases:

leaves corresponding to single values, variable- and fixed-length arrays, with following syntax:
- "leafname", as long as TTree::GetLeaf resolves it
- "b1.b2...leafname", as long as TTree::GetLeaf("b1.b2....", "leafname") resolves it
TBranchElements, as long as TTree::GetBranch resolves their names

Definition at line 148 of file RDFUtils.cxx.

◆ GetFilterNames()

std::vector< std::string > ROOT::Internal::RDF::GetFilterNames ( const std::shared_ptr< RLoopManager > & loopManager )

Definition at line 376 of file RDFInterfaceUtils.cxx.

◆ GetLeafTypeName()

std::string ROOT::Internal::RDF::GetLeafTypeName	(	TLeaf *	leaf,
		const std::string &	colName
	)

Definition at line 122 of file RDFUtils.cxx.

◆ GetNSlots()

unsigned int ROOT::Internal::RDF::GetNSlots ( )

Definition at line 270 of file RDFUtils.cxx.

◆ GetPotentialColumnNames()

std::set< std::string > ROOT::Internal::RDF::GetPotentialColumnNames ( const std::string & expr )

A tokeniser for the expression which is in C++ The goal is to extract all names which are potentially columns.

The difficulty is to catch also the names containing dots.

Definition at line 70 of file RDFInterfaceUtils.cxx.

◆ GetTopLevelBranchNames()

ColumnNames_t ROOT::Internal::RDF::GetTopLevelBranchNames ( TTree & t )

Get all the top-level branches names, including the ones of the friend trees.

Definition at line 236 of file RDFInterfaceUtils.cxx.

◆ GetTopLevelBranchNamesImpl()

void ROOT::Internal::RDF::GetTopLevelBranchNamesImpl	(	TTree &	t,
		std::set< std::string > &	bNamesReg,
		ColumnNames_t &	bNames,
		std::set< TTree * > &	analysedTrees
	)

Definition at line 205 of file RDFInterfaceUtils.cxx.

◆ GetValidatedColumnNames()

ColumnNames_t ROOT::Internal::RDF::GetValidatedColumnNames	(	RLoopManager &	lm,
		const unsigned int	nColumns,
		const ColumnNames_t &	columns,
		const ColumnNames_t &	validCustomColumns,
		RDataSource *	ds
	)

Given the desired number of columns and the user-provided list of columns:

fallback to using the first nColumns default columns if needed (or throw if nColumns > nDefaultColumns)
check that selected column names refer to valid branches, custom columns or datasource columns (throw if not) Return the list of selected column names.

Definition at line 797 of file RDFInterfaceUtils.cxx.

◆ GetVectorAddress()

template<typename dtype >

ULong64_t ROOT::Internal::RDF::GetVectorAddress ( std::vector< dtype > & p )

Definition at line 25 of file PyROOTHelpers.hxx.

◆ InitRDFValues() [1/2]

template<typename RDFValueTuple , std::size_t... S>

void ROOT::Internal::RDF::InitRDFValues	(	unsigned int	slot,
		RDFValueTuple &	valueTuple,
		TTreeReader *	r,
		const ColumnNames_t &	bn,
		const RBookedCustomColumns &	customCols,
		std::index_sequence< S... >	,
		const std::array< bool, sizeof...(S)> &	isCustomColumn
	)

Initialize a tuple of RColumnValues.

For real TTree branches a TTreeReader{Array,Value} is built and passed to the RColumnValue. For temporary columns a pointer to the corresponding variable is passed instead.

Definition at line 54 of file NodesUtils.hxx.

◆ InitRDFValues() [2/2]

template<std::size_t... S, typename... ColTypes>

void ROOT::Internal::RDF::InitRDFValues	(	unsigned int	slot,
		std::vector< RTypeErasedColumnValue > &	values,
		TTreeReader *	r,
		const ColumnNames_t &	bn,
		const RBookedCustomColumns &	customCols,
		std::index_sequence< S... >	,
		ROOT::TypeTraits::TypeList< ColTypes... >	,
		const std::array< bool, sizeof...(S)> &	isTmpColumn
	)

This overload is specialized to act on RTypeErasedColumnValues instead of RColumnValues.

Definition at line 71 of file RAction.hxx.

◆ InterpreterCalc()

Long64_t ROOT::Internal::RDF::InterpreterCalc	(	const std::string &	code,
		const std::string &	context
	)

Definition at line 310 of file RDFUtils.cxx.

◆ InterpreterDeclare()

void ROOT::Internal::RDF::InterpreterDeclare ( const std::string & code )

Definition at line 302 of file RDFUtils.cxx.

◆ IsInternalColumn()

bool ROOT::Internal::RDF::IsInternalColumn ( std::string_view colName )

Definition at line 367 of file RDFInterfaceUtils.cxx.

◆ IsValidCppVarName()

bool ROOT::Internal::RDF::IsValidCppVarName ( const std::string & var )

Definition at line 245 of file RDFInterfaceUtils.cxx.

◆ JitBuildAction()

std::string ROOT::Internal::RDF::JitBuildAction	(	const ColumnNames_t &	bl,
		void *	prevNode,
		const std::type_info &	art,
		const std::type_info &	at,
		void *	rOnHeap,
		TTree *	tree,
		const unsigned int	nSlots,
		const RDFInternal::RBookedCustomColumns &	customCols,
		RDataSource *	ds,
		std::shared_ptr< RJittedAction > *	jittedActionOnHeap,
		unsigned int	namespaceID
	)

Definition at line 712 of file RDFInterfaceUtils.cxx.

◆ NotHelper() [1/2]

template<typename... ArgTypes, typename F >

std::function< bool(ArgTypes...)> ROOT::Internal::RDF::NotHelper	(	ROOT::TypeTraits::TypeList< ArgTypes... >	,
		F &&	f
	)

Definition at line 33 of file RDFHelpers.hxx.

◆ NotHelper() [2/2]

template<typename... ArgTypes, typename Ret , typename... Args>

std::function< bool(ArgTypes...)> ROOT::Internal::RDF::NotHelper	(	ROOT::TypeTraits::TypeList< ArgTypes... >	,
		Ret(*)(Args...)	f
	)

Definition at line 39 of file RDFHelpers.hxx.

◆ PassAsVec()

template<std::size_t N, typename T , typename F >

auto ROOT::Internal::RDF::PassAsVec ( F && f ) -> PassAsVecHelper<std::make_index_sequence<N>, T, F>

Definition at line 59 of file RDFHelpers.hxx.

◆ PrettyPrintAddr()

std::string ROOT::Internal::RDF::PrettyPrintAddr ( const void *const addr )

Definition at line 588 of file RDFInterfaceUtils.cxx.

◆ RDataFrameTake()

template<typename T >

ROOT::RDF::RResultPtr< std::vector< T > > ROOT::Internal::RDF::RDataFrameTake	(	ROOT::RDF::RNode	df,
		std::string_view	column
	)

Definition at line 67 of file PyROOTHelpers.hxx.

◆ Replace()

unsigned int ROOT::Internal::RDF::Replace	(	std::string &	s,
		const std::string	what,
		const std::string	withWhat
	)

Definition at line 382 of file RDFInterfaceUtils.cxx.

◆ ReplaceDots()

std::vector< std::string > ROOT::Internal::RDF::ReplaceDots ( const ColumnNames_t & colNames )

Definition at line 465 of file RDFInterfaceUtils.cxx.

◆ ReplaceDotWithUnderscore()

std::vector< std::string > ROOT::Internal::RDF::ReplaceDotWithUnderscore ( const std::vector< std::string > & columnNames )

Replace occurrences of '.

' with '_' in each string passed as argument. An Info message is printed when this happens. Dots at the end of the string are not replaced. An exception is thrown in case the resulting set of strings would contain duplicates.

Definition at line 283 of file RDFUtils.cxx.

◆ ResetRDFValueTuple() [1/2]

template<std::size_t... S, typename... ColTypes>

void ROOT::Internal::RDF::ResetRDFValueTuple	(	std::vector< RTypeErasedColumnValue > &	values,
		std::index_sequence< S... >	,
		ROOT::TypeTraits::TypeList< ColTypes... >
	)

This overload is specialized to act on RTypeErasedColumnValues instead of RColumnValues.

Definition at line 88 of file RAction.hxx.

◆ ResetRDFValueTuple() [2/2]

template<typename ValueTuple , std::size_t... S>

void ROOT::Internal::RDF::ResetRDFValueTuple	(	ValueTuple &	values,
		std::index_sequence< S... >
	)

Clear the proxies of a tuple of RColumnValues.

Definition at line 321 of file RColumnValue.hxx.

◆ SelectColumns()

const ColumnNames_t ROOT::Internal::RDF::SelectColumns	(	unsigned int	nRequiredNames,
		const ColumnNames_t &	names,
		const ColumnNames_t &	defaultNames
	)

Choose between local column names or default column names, throw in case of errors.

Definition at line 322 of file RDFInterfaceUtils.cxx.

◆ TryToJitExpression()

void ROOT::Internal::RDF::TryToJitExpression	(	const std::string &	expression,
		const ColumnNames_t &	colNames,
		const std::vector< std::string > &	colTypes,
		bool	hasReturnStmt
	)

Definition at line 536 of file RDFInterfaceUtils.cxx.

◆ TTreeAsFlatMatrix()

template<typename BufType , typename... ColTypes, std::size_t... Idx>

void ROOT::Internal::RDF::TTreeAsFlatMatrix	(	std::index_sequence< Idx... >	,
		TTree &	tree,
		std::vector< BufType > &	matrix,
		std::vector< std::string > &	columns
	)

Definition at line 40 of file PyROOTHelpers.hxx.

◆ TTreeAsFlatMatrixHelper()

template<typename BufType , typename... ColTypes>

void ROOT::Internal::RDF::TTreeAsFlatMatrixHelper	(	TTree &	tree,
		std::vector< BufType > &	matrix,
		std::vector< std::string > &	columns
	)

Definition at line 58 of file PyROOTHelpers.hxx.

◆ TypeID2TypeName()

std::string ROOT::Internal::RDF::TypeID2TypeName ( const std::type_info & id )

Returns the name of a type starting from its type_info An empty string is returned in case of failure References and pointers are not supported since those cannot be stored in columns.

Definition at line 83 of file RDFUtils.cxx.

◆ TypeName2ROOTTypeName()

char ROOT::Internal::RDF::TypeName2ROOTTypeName ( const std::string & b )

Convert type name (e.g.

"Float_t") to ROOT type code (e.g. 'F') – see TBranch documentation. Return a space ' ' in case no match was found.

Definition at line 243 of file RDFUtils.cxx.

◆ TypeName2TypeID()

const std::type_info & ROOT::Internal::RDF::TypeName2TypeID ( const std::string & name )

Return the type_info associated to a name.

If the association fails, an exception is thrown. References and pointers are not supported since those cannot be stored in columns.

Definition at line 41 of file RDFUtils.cxx.

◆ UpcastNode()

std::shared_ptr< RNodeBase > ROOT::Internal::RDF::UpcastNode ( std::shared_ptr< RNodeBase > ptr )

Definition at line 788 of file RDFInterfaceUtils.cxx.

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