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/* Copyright (c) 2011, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef CURSOR_BY_THREAD_H
#define CURSOR_BY_THREAD_H
/**
@file storage/perfschema/cursor_by_thread.h
Cursor CURSOR_BY_THREAD (declarations).
*/
#include "pfs_engine_table.h"
#include "pfs_instr.h"
#include "table_helper.h"
/**
@addtogroup Performance_schema_tables
@{
*/
/** Cursor CURSOR_BY_THREAD. */
class cursor_by_thread : public PFS_engine_table
{
public:
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
protected:
cursor_by_thread(const PFS_engine_table_share *share);
public:
~cursor_by_thread()
{}
protected:
virtual void make_row(PFS_thread *thread)= 0;
private:
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** @} */
#endif
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