query_retry.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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  as designated in a particular file or component or in included license
  documentation.  The authors of MySQL hereby grant you an additional
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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*/
 
#ifndef ROUTER_SRC_REST_MRS_SRC_MRS_INTERFACE_QUERY_RETRY_H_
#define ROUTER_SRC_REST_MRS_SRC_MRS_INTERFACE_QUERY_RETRY_H_
 
#include "mrs/database/filter_object_generator.h"
#include "mysqlrouter/mysql_session.h"
 
namespace mrs {
namespace interface {
 
class QueryRetry {
 public:
  using FilterObjectGenerator = mrs::database::FilterObjectGenerator;
 
 public:
  virtual ~QueryRetry() = default;
 
  virtual void before_query() = 0;
  virtual mysqlrouter::MySQLSession *get_session() = 0;
  virtual const FilterObjectGenerator &get_fog() = 0;
 
  virtual bool should_retry(const uint64_t affected) const = 0;
};
 
}  // namespace interface
}  // namespace mrs
 
#endif  // ROUTER_SRC_REST_MRS_SRC_MRS_INTERFACE_QUERY_RETRY_H_