81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
#ifndef QUERY_RECORD_HPP
|
|
#define QUERY_RECORD_HPP
|
|
|
|
#include "matador/utils/access.hpp"
|
|
|
|
#include "matador/sql/field.hpp"
|
|
|
|
#include <vector>
|
|
#include <unordered_map>
|
|
|
|
namespace matador::sql {
|
|
|
|
struct column;
|
|
|
|
class record
|
|
{
|
|
private:
|
|
using field_ref = std::reference_wrapper<field>;
|
|
using field_by_index = std::vector<field_ref>;
|
|
using field_index_pair = std::pair<field, field_by_index::difference_type>;
|
|
using field_by_name_map = std::unordered_map<std::string, field_index_pair>;
|
|
|
|
public:
|
|
using iterator = field_by_index::iterator;
|
|
using const_iterator = field_by_index::const_iterator;
|
|
|
|
record() = default;
|
|
record(std::initializer_list<field> columns);
|
|
explicit record(const std::vector<field> &columns);
|
|
record(const record &x);
|
|
record& operator=(const record &x);
|
|
record(record&&) noexcept = default;
|
|
record& operator=(record&&) noexcept = default;
|
|
~record() = default;
|
|
|
|
template<class Operator>
|
|
void process(Operator &op)
|
|
{
|
|
for(auto &f : fields_) {
|
|
f.get().process(op);
|
|
}
|
|
}
|
|
|
|
void append(const field &col);
|
|
|
|
[[nodiscard]] const std::vector<field_ref>& columns() const;
|
|
|
|
[[nodiscard]] const field& at(const column &col) const;
|
|
[[nodiscard]] const field& at(size_t index) const;
|
|
|
|
iterator find(const std::string &column_name);
|
|
[[nodiscard]] const_iterator find(const std::string &column_name) const;
|
|
|
|
iterator begin();
|
|
[[nodiscard]] const_iterator begin() const;
|
|
[[nodiscard]] const_iterator cbegin() const;
|
|
|
|
iterator end();
|
|
[[nodiscard]] const_iterator end() const;
|
|
[[nodiscard]] const_iterator cend() const;
|
|
|
|
[[nodiscard]] size_t size() const;
|
|
[[nodiscard]] bool empty() const;
|
|
void clear();
|
|
|
|
// [[nodiscard]] bool unknown() const;
|
|
|
|
private:
|
|
void init();
|
|
void add_to_map(field &col, size_t index);
|
|
|
|
private:
|
|
field_by_index fields_;
|
|
field_by_name_map fields_by_name_;
|
|
|
|
// int pk_index_{-1};
|
|
};
|
|
|
|
}
|
|
#endif //QUERY_RECORD_HPP
|