query/include/matador/sql/query_result_reader.hpp

41 lines
2.0 KiB
C++

#ifndef QUERY_QUERY_RESULT_READER_HPP
#define QUERY_QUERY_RESULT_READER_HPP
#include "matador/sql/any_type.hpp"
#include "matador/sql/types.hpp"
namespace matador::sql {
class query_result_reader
{
public:
virtual ~query_result_reader() = default;
[[nodiscard]] virtual size_t column_count() const = 0;
[[nodiscard]] virtual const char* column(size_t index) const = 0;
[[nodiscard]] virtual bool fetch() = 0;
virtual void read_value(const char *id, size_t index, char &value) = 0;
virtual void read_value(const char *id, size_t index, short &value) = 0;
virtual void read_value(const char *id, size_t index, int &value) = 0;
virtual void read_value(const char *id, size_t index, long &value) = 0;
virtual void read_value(const char *id, size_t index, long long &value) = 0;
virtual void read_value(const char *id, size_t index, unsigned char &value) = 0;
virtual void read_value(const char *id, size_t index, unsigned short &value) = 0;
virtual void read_value(const char *id, size_t index, unsigned int &value) = 0;
virtual void read_value(const char *id, size_t index, unsigned long &value) = 0;
virtual void read_value(const char *id, size_t index, unsigned long long &value) = 0;
virtual void read_value(const char *id, size_t index, bool &value) = 0;
virtual void read_value(const char *id, size_t index, float &value) = 0;
virtual void read_value(const char *id, size_t index, double &value) = 0;
// virtual void read_value(const char *id, size_t index, matador::time &value) = 0;
// virtual void read_value(const char *id, size_t index, matador::date &value) = 0;
virtual void read_value(const char *id, size_t index, char *value, size_t s) = 0;
virtual void read_value(const char *id, size_t index, std::string &value) = 0;
virtual void read_value(const char *id, size_t index, std::string &value, size_t s) = 0;
virtual void read_value(const char *id, size_t index, any_type &value, data_type_t type, size_t size) = 0;
};
}
#endif //QUERY_QUERY_RESULT_READER_HPP