Every RDF column is represented by exactly one RNTuple field.
Definition at line 117 of file RNTupleDS.cxx.
Public Member Functions | |
RNTupleColumnReader (std::unique_ptr< RFieldBase > f) | |
~RNTupleColumnReader () | |
std::unique_ptr< RNTupleColumnReader > | Clone () |
Column readers are created as prototype and then cloned for every slot. | |
void | Connect (RPageSource &source) |
Connect the field and its subfields to the page source. | |
void * | GetImpl (Long64_t entry) final |
Public Member Functions inherited from ROOT::Detail::RDF::RColumnReaderBase | |
virtual | ~RColumnReaderBase ()=default |
template<typename T > | |
T & | Get (Long64_t entry) |
Return the column value for the given entry. | |
Private Types | |
using | RFieldBase = ROOT::Experimental::Detail::RFieldBase |
using | RFieldValue = ROOT::Experimental::Detail::RFieldValue |
using | RPageSource = ROOT::Experimental::Detail::RPageSource |
Private Attributes | |
std::unique_ptr< RFieldBase > | fField |
The field backing the RDF column. | |
Long64_t | fLastEntry |
Last entry number that was read. | |
RFieldValue | fValue |
The memory location used to read from fField. | |
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private |
Definition at line 118 of file RNTupleDS.cxx.
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private |
Definition at line 119 of file RNTupleDS.cxx.
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private |
Definition at line 120 of file RNTupleDS.cxx.
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inline |
Definition at line 127 of file RNTupleDS.cxx.
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inline |
Definition at line 131 of file RNTupleDS.cxx.
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inline |
Column readers are created as prototype and then cloned for every slot.
Definition at line 134 of file RNTupleDS.cxx.
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inline |
Connect the field and its subfields to the page source.
Definition at line 140 of file RNTupleDS.cxx.
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inlinefinalvirtual |
Implements ROOT::Detail::RDF::RColumnReaderBase.
Definition at line 147 of file RNTupleDS.cxx.
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The field backing the RDF column.
Definition at line 122 of file RNTupleDS.cxx.
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Last entry number that was read.
Definition at line 124 of file RNTupleDS.cxx.
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private |
The memory location used to read from fField.
Definition at line 123 of file RNTupleDS.cxx.