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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, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef TABLE_SETUP_INSTRUMENTS_H
#define TABLE_SETUP_INSTRUMENTS_H
/**
@file storage/perfschema/table_setup_instruments.h
Table SETUP_INSTRUMENTS (declarations).
*/
#include "pfs_instr_class.h"
#include "pfs_engine_table.h"
/**
@addtogroup Performance_schema_tables
@{
*/
/** A row of PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
struct row_setup_instruments
{
/** Columns NAME, ENABLED, TIMED. */
PFS_instr_class *m_instr_class;
};
/** Position of a cursor on PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
struct pos_setup_instruments : public PFS_double_index
{
static const uint FIRST_VIEW= 1;
static const uint VIEW_MUTEX= 1;
static const uint VIEW_RWLOCK= 2;
static const uint VIEW_COND= 3;
static const uint VIEW_THREAD= 4;
static const uint VIEW_FILE= 5;
static const uint VIEW_TABLE= 6;
static const uint VIEW_STAGE= 7;
static const uint VIEW_STATEMENT= 8;
static const uint VIEW_SOCKET= 9;
static const uint VIEW_IDLE= 10;
static const uint LAST_VIEW= 10;
pos_setup_instruments()
: PFS_double_index(FIRST_VIEW, 1)
{}
inline void reset(void)
{
m_index_1= FIRST_VIEW;
m_index_2= 1;
}
inline bool has_more_view(void)
{ return (m_index_1 <= LAST_VIEW); }
inline void next_view(void)
{
m_index_1++;
m_index_2= 1;
}
};
/** Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
class table_setup_instruments : public PFS_engine_table
{
public:
/** Table share. */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
protected:
virtual int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all);
virtual int update_row_values(TABLE *table,
const unsigned char *old_buf,
unsigned char *new_buf,
Field **fields);
table_setup_instruments();
public:
~table_setup_instruments()
{}
private:
void make_row(PFS_instr_class *klass);
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current row. */
row_setup_instruments m_row;
/** Current position. */
pos_setup_instruments m_pos;
/** Next position. */
pos_setup_instruments m_next_pos;
};
/** @} */
#endif
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