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  1. ROOT
  2. ROOT-9272

[TDF] Entry loss executing multiple event loops on the same Range'd TDataFrame

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 6.12/08, 6.13/01
    • Component/s: None
    • Labels:
      None
    • Environment:

      any

      Description

      First reported by Javier Cervantes Villanueva.
      Reproducer:

      #include <ROOT/TDataFrame.hxx>
      #include <iostream>
      using namespace ROOT::Experimental;
       
      int main() {
        auto d = TDataFrame(100);
        auto d_0_30 = d.Range(0, 30);
        std::cout << *d_0_30.Count() << std::endl;
        std::cout << *d_0_30.Count() << std::endl;
       
        return 0;
      }
      

      Prints

      30
      1
      

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            Assignee:
            eguiraud Enrico Guiraud
            Reporter:
            eguiraud Enrico Guiraud
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