#ifndef QUERY_FIELD_HPP
#define QUERY_FIELD_HPP

#include "matador/sql/any_type.hpp"
#include "matador/sql/any_type_to_visitor.hpp"

#include <string>

namespace matador::sql {

class field
{
public:

  [[nodiscard]] const std::string& name() const;

  template<class Type>
  Type as() const
  {
    const Type* ptr= std::get_if<Type>(&value_);
    if (ptr) {
      return *ptr;
    }
    any_type_to_visitor<Type> visitor;
    std::visit(visitor, const_cast<any_type&>(value_));
    return visitor.result;
  }

  bool is_integer() const;
  bool is_floating_point() const;
  bool is_bool() const;
  bool is_string() const;
  bool is_blob() const;
  bool is_null() const;

  friend std::ostream& operator<<(std::ostream &out, const field &col);

private:
  std::string name_;
  any_type value_;
};

}
#endif //QUERY_FIELD_HPP