trigger_creation_ctx.h

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/*
   Copyright (c) 2013, 2022, 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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   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 included with MySQL.
 
   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 */
 
#ifndef TRIGGER_CREATION_CTX_H_INCLUDED
#define TRIGGER_CREATION_CTX_H_INCLUDED
 
///////////////////////////////////////////////////////////////////////////
 
#include "lex_string.h"
#include "sql/sp_head.h"  // Stored_program_creation_ctx
 
class Object_creation_ctx;
class THD;
struct CHARSET_INFO;
struct MEM_ROOT;
 
/**
  Trigger_creation_ctx -- creation context of triggers.
*/
 
class Trigger_creation_ctx : public Stored_program_creation_ctx {
 public:
  static Trigger_creation_ctx *create(THD *thd, const LEX_CSTRING &db_name,
                                      const LEX_CSTRING &table_name,
                                      const LEX_CSTRING &client_cs_name,
                                      const LEX_CSTRING &connection_cl_name,
                                      const LEX_CSTRING &db_cl_name);
 
 public:
  Stored_program_creation_ctx *clone(MEM_ROOT *mem_root) override;
 
 protected:
  Object_creation_ctx *create_backup_ctx(THD *thd) const override;
 
  void delete_backup_ctx() override;
 
 private:
  explicit Trigger_creation_ctx(THD *thd) : Stored_program_creation_ctx(thd) {}
 
  Trigger_creation_ctx(const CHARSET_INFO *client_cs,
                       const CHARSET_INFO *connection_cl,
                       const CHARSET_INFO *db_cl)
      : Stored_program_creation_ctx(client_cs, connection_cl, db_cl) {}
};
 
///////////////////////////////////////////////////////////////////////////
 
#endif  // TRIGGER_CREATION_CTX_H_INCLUDED