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/* Copyright (c) 2008, 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,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
#ifndef TABLE_SOCKET_SUMMARY_BY_INSTANCE_H
#define TABLE_SOCKET_SUMMARY_BY_INSTANCE_H
/**
@file storage/perfschema/table_socket_summary_by_instance.h
Table SOCKET_SUMMARY_BY_INSTANCE (declarations).
*/
#include "pfs_column_types.h"
#include "pfs_engine_table.h"
#include "pfs_instr_class.h"
#include "pfs_instr.h"
#include "table_helper.h"
/**
@addtogroup Performance_schema_tables
@{
*/
/**
A row of table
PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE.
*/
struct row_socket_summary_by_instance
{
/** Column EVENT_NAME. */
PFS_event_name_row m_event_name;
/** Column OBJECT_INSTANCE_BEGIN */
const void *m_identity;
/** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each operation. */
PFS_socket_io_stat_row m_io_stat;
};
/** Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE. */
class table_socket_summary_by_instance : public PFS_engine_table
{
public:
/** Table share */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
static int delete_all_rows();
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
private:
virtual int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all);
table_socket_summary_by_instance();
public:
~table_socket_summary_by_instance()
{}
private:
void make_row(PFS_socket *pfs);
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current row. */
row_socket_summary_by_instance m_row;
/** True if the current row exists. */
bool m_row_exists;
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** @} */
#endif
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