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#ifndef MYGRATE_DBCONN_H
#define MYGRATE_DBCONN_H
#include <dbRecordSet.h>
#include <dbTypes.h>
#include <initializer_list>
namespace MyGrate {
class DbPrepStmt {
public:
virtual ~DbPrepStmt() = default;
virtual void execute(const std::span<const DbValue>) = 0;
void
execute(const std::initializer_list<DbValue> & v)
{
return execute(std::span<const DbValue> {v});
}
virtual std::size_t rows() const = 0;
virtual RecordSetPtr recordSet() = 0;
virtual CursorPtr cursor() = 0;
};
using DbPrepStmtPtr = std::unique_ptr<DbPrepStmt>;
enum class ParamMode { None, DollarNum, QMark };
class DbConn {
public:
virtual ~DbConn() = default;
virtual void query(const char * const) = 0;
virtual void query(const char * const, const std::initializer_list<DbValue> &) = 0;
virtual DbPrepStmtPtr prepare(const char * const, std::size_t nParams) = 0;
virtual void beginTx() = 0;
virtual void commitTx() = 0;
virtual void rollbackTx() = 0;
};
class Tx {
public:
explicit Tx(DbConn *);
Tx(const Tx &) = delete;
Tx(Tx &&) = delete;
~Tx();
template<typename C>
auto
operator()(C && callback)
{
return callback();
}
private:
DbConn * conn;
};
}
#endif
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