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/*
* Copyright (c) 2015, 2025, Oracle and/or its affiliates.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is designed to work with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have either included with
* the program or referenced in the documentation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// MySQL DB access module, for use by plugins and others
// For the module that implements interactive DB functionality see mod_db
#ifndef PLUGIN_X_CLIENT_XQUERY_RESULT_IMPL_H_
#define PLUGIN_X_CLIENT_XQUERY_RESULT_IMPL_H_
#include <memory>
#include <string>
#include <vector>
#include "plugin/x/client/context/xcontext.h"
#include "plugin/x/client/mysqlxclient/xprotocol.h"
#include "plugin/x/client/mysqlxclient/xquery_result.h"
#include "plugin/x/client/xquery_instances.h"
#include "plugin/x/client/xrow_impl.h"
#include "plugin/x/src/helper/optional_value.h"
namespace xcl {
class Query_result : public XQuery_result {
public:
using Row_ptr = std::unique_ptr<Mysqlx::Resultset::Row>;
public:
explicit Query_result(std::shared_ptr<XProtocol> protocol,
Query_instances *query_instances,
std::shared_ptr<Context> context);
~Query_result() override;
bool try_get_last_insert_id(uint64_t *out_last_id) const override;
bool try_get_affected_rows(uint64_t *out_affected_number) const override;
bool try_get_info_message(std::string *out_message) const override;
bool try_get_generated_document_ids(
std::vector<std::string> *out_ids) const override;
const Metadata &get_metadata(XError *out_error) override;
void set_metadata(const Metadata &metadata) override;
const Warnings &get_warnings() override;
bool next_resultset(XError *out_error) override;
Row_ptr get_next_row_raw(XError *out_error) override;
bool get_next_row(const XRow **out_row, XError *out_error) override;
const XRow *get_next_row(XError *out_error) override;
bool has_resultset(XError *out_error) override;
bool is_out_parameter_resultset() const override;
private:
void clear();
Handler_result handle_notice(const Mysqlx::Notice::Frame::Type type,
const char *payload,
const uint32_t payload_size);
bool had_fetch_not_ended() const;
void check_if_stmt_ok();
void read_if_needed_metadata();
Row_ptr read_row();
XError read_metadata(const XProtocol::Server_message_type_id msg_id,
std::unique_ptr<XProtocol::Message> &msg);
bool is_end_resultset_msg() const;
void check_error(const XError &error);
bool verify_current_instance(XError *out_error);
bool check_if_fetch_done();
bool m_received_fetch_done{false};
bool m_read_metadata{true};
bool m_is_out_param_resultset{false};
std::shared_ptr<XProtocol> m_protocol;
XError m_error;
Metadata m_metadata;
XProtocol::Handler_id m_notice_handler_id;
xpl::Optional_value<uint64_t> m_last_insert_id;
xpl::Optional_value<uint64_t> m_affected_rows;
xpl::Optional_value<std::string> m_producted_message;
std::vector<std::string> m_generated_document_ids;
Message_holder m_holder;
Warnings m_warnings;
XRow_impl m_row;
Query_instances *m_query_instances;
Query_instances::Instance_id m_instance_id;
std::shared_ptr<Context> m_context;
};
} // namespace xcl
#endif // PLUGIN_X_CLIENT_XQUERY_RESULT_IMPL_H_
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