1/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software Foundation,
14 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
15
16#ifndef TABLE_EVENTS_WAITS_SUMMARY_H
17#define TABLE_EVENTS_WAITS_SUMMARY_H
18
19/**
20 @file storage/perfschema/table_events_waits_summary.h
21 Table EVENTS_WAITS_SUMMARY_BY_xxx (declarations).
22*/
23
24#include "pfs_column_types.h"
25#include "pfs_engine_table.h"
26#include "pfs_instr_class.h"
27#include "pfs_instr.h"
28#include "table_all_instr.h"
29#include "table_helper.h"
30
31/**
32 @addtogroup Performance_schema_tables
33 @{
34*/
35
36/** A row of PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE. */
37struct row_events_waits_summary_by_instance
38{
39 /** Column EVENT_NAME. */
40 const char *m_name;
41 /** Length in bytes of @c m_name. */
42 uint m_name_length;
43 /** Column OBJECT_INSTANCE_BEGIN. */
44 intptr m_object_instance_addr;
45 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
46 PFS_stat_row m_stat;
47};
48
49/** Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE. */
50class table_events_waits_summary_by_instance : public table_all_instr
51{
52public:
53 /** Table share */
54 static PFS_engine_table_share m_share;
55 static PFS_engine_table* create();
56 static int delete_all_rows();
57
58protected:
59 void make_instr_row(PFS_instr *pfs, PFS_instr_class *klass,
60 const void *object_instance_begin,
61 PFS_single_stat *pfs_stat);
62 virtual void make_mutex_row(PFS_mutex *pfs);
63 virtual void make_rwlock_row(PFS_rwlock *pfs);
64 virtual void make_cond_row(PFS_cond *pfs);
65 virtual void make_file_row(PFS_file *pfs);
66 virtual void make_socket_row(PFS_socket *pfs);
67
68 virtual int read_row_values(TABLE *table,
69 unsigned char *buf,
70 Field **fields,
71 bool read_all);
72
73 table_events_waits_summary_by_instance();
74
75public:
76 ~table_events_waits_summary_by_instance()
77 {}
78
79private:
80 /** Table share lock. */
81 static THR_LOCK m_table_lock;
82
83 /** Current row. */
84 row_events_waits_summary_by_instance m_row;
85 /** True if the current row exists. */
86 bool m_row_exists;
87};
88
89/** @} */
90#endif
91