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Validate number of entries of tree vs branches #2347

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11 changes: 11 additions & 0 deletions DATA/production/common/readAO2Ds.C
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,17 @@ int readAO2Ds(const char* filename = "AO2D.root")
std::cout << onameKeyInDir.Data() << std::endl;
}
TTree* t = (TTree*)d->Get(onameKeyInDir.Data());
// Check that every branch has the same number of entries as the tree itself.
// A mismatch indicates a corrupted or truncated write.
long long treeEntries = t->GetEntries();
for (auto* b : *t->GetListOfBranches()) {
auto* br = (TBranch*)b;
if (br->GetEntries() != treeEntries) {
printf("MISMATCH %s/%s branch %s: tree=%lld branch=%lld\n",
onameKeyInFile.Data(), onameKeyInDir.Data(), br->GetName(), treeEntries, br->GetEntries());
retCode |= 4;
}
}
if (onameKeyInDir.BeginsWith("O2track") && !onameKeyInDir.Contains("O2tracked") && !onameKeyInDir.Contains("O2trackqa")) {
vectNEntriesPerTree.push_back({onameKeyInDir.Data(), t->GetEntries()});
}
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