130 lines
4.8 KiB
C++
130 lines
4.8 KiB
C++
/*
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Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef MYSQL_CRAWLER_INCLUDED
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#define MYSQL_CRAWLER_INCLUDED
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#include <functional>
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#include "client/base/abstract_program.h"
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#include "client/base/message_data.h"
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#include "client/dump/abstract_crawler.h"
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#include "client/dump/abstract_dump_task.h"
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#include "client/dump/abstract_mysql_chain_element_extension.h"
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#include "client/dump/database.h"
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#include "client/dump/database_end_dump_task.h"
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#include "client/dump/database_start_dump_task.h"
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#include "client/dump/dump_end_dump_task.h"
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#include "client/dump/dump_start_dump_task.h"
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#include "client/dump/i_connection_provider.h"
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#include "client/dump/mysql_chain_element_options.h"
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#include "client/dump/simple_id_generator.h"
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#include "client/dump/table.h"
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#include "client/dump/tables_definition_ready_dump_task.h"
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#include "my_inttypes.h"
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namespace Mysql {
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namespace Tools {
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namespace Dump {
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/**
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Searches DB objects using connection to MYSQL server.
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*/
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class Mysql_crawler : public Abstract_crawler,
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public Abstract_mysql_chain_element_extension {
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public:
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Mysql_crawler(I_connection_provider *connection_provider,
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std::function<bool(const Mysql::Tools::Base::Message_data &)>
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*message_handler,
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Simple_id_generator *object_id_generator,
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Mysql_chain_element_options *options,
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Mysql::Tools::Base::Abstract_program *program);
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/**
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Enumerates all objects it can access, gets chains from all registered
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chain_maker for each object and then execute each chain.
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*/
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virtual void enumerate_objects();
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// Fix "inherits ... via dominance" warnings
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void register_progress_watcher(I_progress_watcher *new_progress_watcher) {
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Abstract_crawler::register_progress_watcher(new_progress_watcher);
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}
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// Fix "inherits ... via dominance" warnings
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uint64 get_id() const { return Abstract_crawler::get_id(); }
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protected:
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// Fix "inherits ... via dominance" warnings
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void item_completion_in_child_callback(Item_processing_data *item_processed) {
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Abstract_crawler::item_completion_in_child_callback(item_processed);
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}
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private:
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void enumerate_database_objects(const Database &db);
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void enumerate_tables(const Database &db);
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void enumerate_table_triggers(const Table &table,
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Abstract_dump_task *dependency);
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void enumerate_column_statistics(const Table &table,
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Abstract_dump_task *dependency);
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void enumerate_views(const Database &db);
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template <typename TObject>
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void enumerate_functions(const Database &db, std::string type);
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void enumerate_event_scheduler_events(const Database &db);
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void enumerate_users();
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/**
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Rewrite statement, enclosing it with version specific comment and with
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DEFINER clause enclosed in version-specific comment.
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This function parses any CREATE statement and encloses DEFINER-clause in
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version-specific comment:
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input query: CREATE DEFINER=a@b FUNCTION ...
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rewritten query: / *!50003 CREATE * / / *!50020 DEFINER=a@b * / / *!50003
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FUNCTION ... * /
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*/
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std::string get_version_specific_statement(std::string create_string,
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const std::string &keyword,
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std::string main_version,
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std::string definer_version);
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Dump_start_dump_task *m_dump_start_task;
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Dump_end_dump_task *m_dump_end_task;
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Database_start_dump_task *m_current_database_start_dump_task;
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Database_end_dump_task *m_current_database_end_dump_task;
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Tables_definition_ready_dump_task *m_tables_definition_ready_dump_task;
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};
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} // namespace Dump
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} // namespace Tools
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} // namespace Mysql
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#endif
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