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#ifndef MYGRATE_INPUT_MYSQLRECORDSET_H
#define MYGRATE_INPUT_MYSQLRECORDSET_H
#include "mysqlStmt.h"
#include <cstddef>
#include <dbRecordSet.h>
#include <dbTypes.h>
#include <memory>
#include <mysql.h>
#include <vector>
namespace MyGrate::Input {
class ResultData;
class MySQLData {
public:
using ResultDataPtr = std::unique_ptr<ResultData>;
using ResPtr = std::unique_ptr<MYSQL_RES, decltype(&mysql_free_result)>;
explicit MySQLData(StmtPtr s);
std::size_t columns() const;
DbValue at(std::size_t col) const;
StmtPtr stmt;
std::vector<MYSQL_BIND> fields;
std::vector<ResultDataPtr> extras;
};
class MySQLCursor : public MySQLData, public Cursor {
public:
using MySQLData::MySQLData;
bool fetch() override;
std::size_t columns() const override;
DbValue at(std::size_t col) const override;
};
class MySQLRecordSet : public MySQLData, public RecordSet {
public:
using StmtResPtr = std::unique_ptr<MYSQL_STMT, decltype(&mysql_stmt_free_result)>;
explicit MySQLRecordSet(StmtPtr s);
std::size_t rows() const override;
std::size_t columns() const override;
DbValue at(std::size_t row, std::size_t col) const override;
private:
StmtResPtr stmtres;
mutable std::size_t currentRow {static_cast<size_t>(-1)};
};
}
#endif
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