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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef CURSOR_BY_THREAD_H
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#define CURSOR_BY_THREAD_H
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/**
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@file storage/perfschema/cursor_by_thread.h
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Cursor CURSOR_BY_THREAD (declarations).
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*/
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#include "pfs_engine_table.h"
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#include "pfs_instr.h"
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#include "table_helper.h"
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/**
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@addtogroup Performance_schema_tables
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@{
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*/
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/** Cursor CURSOR_BY_THREAD. */
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class cursor_by_thread : public PFS_engine_table
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{
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public:
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virtual int rnd_next();
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virtual int rnd_pos(const void *pos);
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virtual void reset_position(void);
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protected:
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cursor_by_thread(const PFS_engine_table_share *share);
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public:
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~cursor_by_thread()
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{}
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protected:
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virtual void make_row(PFS_thread *thread)= 0;
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private:
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/** Current position. */
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PFS_simple_index m_pos;
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/** Next position. */
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PFS_simple_index m_next_pos;
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};
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/** @} */
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#endif
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