mysql5/mysql-5.7.27/sql/trigger_creation_ctx.h

68 lines
2.3 KiB
C++

/*
Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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
along with this program; if not, write to the Free Software Foundation,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
#ifndef TRIGGER_CREATION_CTX_H_INCLUDED
#define TRIGGER_CREATION_CTX_H_INCLUDED
///////////////////////////////////////////////////////////////////////////
#include "sp_head.h" // Stored_program_creation_ctx
/**
Trigger_creation_ctx -- creation context of triggers.
*/
class Trigger_creation_ctx : public Stored_program_creation_ctx,
public Sql_alloc
{
public:
static Trigger_creation_ctx *create(THD *thd,
const LEX_CSTRING &db_name,
const LEX_CSTRING &table_name,
const LEX_STRING &client_cs_name,
const LEX_STRING &connection_cl_name,
const LEX_STRING &db_cl_name);
public:
virtual Stored_program_creation_ctx *clone(MEM_ROOT *mem_root)
{
return new (mem_root) Trigger_creation_ctx(m_client_cs,
m_connection_cl,
m_db_cl);
}
protected:
virtual Object_creation_ctx *create_backup_ctx(THD *thd) const
{
return new Trigger_creation_ctx(thd);
}
private:
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