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/*
* Copyright (c) 2017, 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_INSTANCES_H_
#define PLUGIN_X_CLIENT_XQUERY_INSTANCES_H_
#include <memory>
namespace xcl {
class Query_instances {
public:
using Instance_id = uint64_t;
public:
virtual ~Query_instances() = default;
virtual Instance_id instances_fetch_begin() = 0;
virtual void instances_fetch_end() = 0;
virtual bool is_instance_active(const Instance_id id) = 0;
};
} // namespace xcl
#endif // PLUGIN_X_CLIENT_XQUERY_INSTANCES_H_
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