75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#ifndef FAKE_COSTMODEL_INCLUDED
|
|
#define FAKE_COSTMODEL_INCLUDED
|
|
|
|
/*
|
|
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 */
|
|
|
|
#include "opt_costconstants.h"
|
|
#include "opt_costmodel.h"
|
|
|
|
/**
|
|
This is is a "fake" cost model that can be used in unit tests that
|
|
do not link with the server libraries.
|
|
*/
|
|
|
|
class Fake_Cost_model_server : public Cost_model_server
|
|
{
|
|
public:
|
|
Fake_Cost_model_server()
|
|
{
|
|
// Create default values for server cost constants
|
|
m_server_cost_constants= new Server_cost_constants();
|
|
#if !defined(DBUG_OFF)
|
|
m_initialized= true;
|
|
#endif
|
|
}
|
|
|
|
~Fake_Cost_model_server()
|
|
{
|
|
delete m_server_cost_constants;
|
|
m_server_cost_constants= NULL;
|
|
}
|
|
};
|
|
|
|
|
|
class Fake_Cost_model_table : public Cost_model_table
|
|
{
|
|
public:
|
|
Fake_Cost_model_table()
|
|
{
|
|
// Create a fake cost model server object that will provide
|
|
// cost constants for server operations
|
|
m_cost_model_server= new Fake_Cost_model_server();
|
|
|
|
// Allocate cost constants for operations on tables
|
|
m_se_cost_constants= new SE_cost_constants();
|
|
|
|
#if !defined(DBUG_OFF)
|
|
m_initialized= true;
|
|
#endif
|
|
}
|
|
|
|
~Fake_Cost_model_table()
|
|
{
|
|
delete m_cost_model_server;
|
|
m_cost_model_server= NULL;
|
|
delete m_se_cost_constants;
|
|
m_se_cost_constants= NULL;
|
|
}
|
|
};
|
|
|
|
#endif /* FAKE_COSTMODEL_INCLUDED */
|