query_changes_db_object.h

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/*
  Copyright (c) 2021, 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.
 
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  permission to link the program and your derivative works with the
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  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 for more details.
 
  You should have received a copy of the GNU General Public License
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*/
 
#ifndef ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_CHANGES_PATH_ENTRIES_H_
#define ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_CHANGES_PATH_ENTRIES_H_
 
#include <set>
 
#include "mrs/database/entry/db_object.h"
#include "mrs/database/query_entries_db_object.h"
 
namespace mrs {
namespace database {
 
class QueryChangesDbObject : public QueryEntriesDbObject {
 public:
  using QueryFactory = mrs::interface::QueryFactory;
 
 public:
  QueryChangesDbObject(SupportedMrsMetadataVersion v,
                       QueryFactory *query_factory,
                       const uint64_t last_audit_id);
 
  /**
   * Fetch from database the list of all defined object/path entries
   *
   * Except fetching the list, it also tries to fetch matching `audit_log.id`.
   */
  void query_entries(MySQLSession *session) override;
 
 private:
  std::set<entry::UniversalId> path_entries_fetched;
  uint64_t query_length_;
 
  void query_path_entries(MySQLSession *session,
                          std::vector<DbObjectCompatible> *out,
                          const std::string &table_name,
                          const entry::UniversalId &id);
  std::string build_query(const std::string &table_name,
                          const entry::UniversalId &id);
};
 
}  // namespace database
}  // namespace mrs
 
#endif  // ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_CHANGES_PATH_ENTRIES_H_