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82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/* Copyright (c) 2012, 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 Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef CURSOR_BY_THREAD_CONNECT_ATTR_H
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#define CURSOR_BY_THREAD_CONNECT_ATTR_H
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#include "pfs_column_types.h"
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#include "pfs_engine_table.h"
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#include "pfs_instr.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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struct pos_connect_attr_by_thread_by_attr
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: public PFS_double_index
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{
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pos_connect_attr_by_thread_by_attr()
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: PFS_double_index(0, 0)
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{}
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inline bool has_more_thread(void)
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{
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return (m_index_1 < thread_max);
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}
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inline void next_thread(void)
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{
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m_index_1++;
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m_index_2= 0;
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}
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inline void reset(void)
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{
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m_index_1= 0;
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m_index_2= 0;
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}
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};
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/** Cursor CURSOR_BY_THREAD_CONNECT_ATTR. */
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class cursor_by_thread_connect_attr : 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_connect_attr(const PFS_engine_table_share *share);
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public:
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~cursor_by_thread_connect_attr()
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{}
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protected:
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virtual void make_row(PFS_thread *thread, uint ordinal)= 0;
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/** True if row exists */
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bool m_row_exists;
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private:
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/** Current position. */
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pos_connect_attr_by_thread_by_attr m_pos;
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/** Next position. */
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pos_connect_attr_by_thread_by_attr m_next_pos;
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};
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/** @} */
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#endif
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