[ntuple] Add support for attributes reading#21778
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silverweed wants to merge 10 commits intoroot-project:masterfrom
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[ntuple] Add support for attributes reading#21778silverweed wants to merge 10 commits intoroot-project:masterfrom
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Test Results 22 files 22 suites 3d 6h 29m 3s ⏱️ Results for commit 78b7eb3. ♻️ This comment has been updated with latest results. |
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hahnjo
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This makes it easier to keep the meta fields names and indices in sync and to automatically define and verify their count
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Adds support for RNTuple attribute reading in the form of the
ROOT::Experimental::RNTupleAttrSetReaderclass plus some ancillary classes.Main features added:
RNTupleReader::OpenAttributeSet-> returns an RNTupleAttrSetReader for a specific attribute setRNTupleAttrSetReader::GetAttributes*-> various methods that return iterables over attribute entry indicesRNTupleAttrSetReader::LoadEntry(index[, entry])-> loadsindex-th attribute entry (similar toRNTupleReader::LoadEntry). Meant to be used withRNTupleAttrSetReader::GetAttributes*See the tests for basic usage, e.g.
BasicReadingWritinginntuple_attributes.cxx