ColumnInfo.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
 
#ifndef COLUMNAR_INTERFACES_COLUMN_INFO_H
#define COLUMNAR_INTERFACES_COLUMN_INFO_H
 
#include <cstdint>
#include <string>
#include <typeinfo>
#include <vector>
 
namespace columnar
{
  enum class ColumnAccessMode
  {
    input,

    output,

    update
  };
 

 
  struct ColumnInfo final
  {
    std::string name {};
 

    unsigned index = 0u;
 

    const std::type_info *type = nullptr;
 

    ColumnAccessMode accessMode = ColumnAccessMode::input;
 

    std::string offsetName {};
 

    std::vector<unsigned> fixedDimensions {};
 

    bool isOffset = false;
 

    std::string replacesColumn {};
 

    bool isOptional = false;
 

    std::string soleLinkTargetName {};
 

    std::uint32_t soleLinkTargetClid = 0;
 

    bool isVariantLink = false;
 

    std::vector<std::string> variantLinkTargetNames {};
 

    std::string keyColumnForVariantLink {};
  };
}
 
#endif