MySQL 8.0.29
Source Code Documentation
table_esgs_by_thread_by_event_name.h
Go to the documentation of this file.
1/* Copyright (c) 2010, 2022, Oracle and/or its affiliates.
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, version 2.0,
5 as published by the Free Software Foundation.
6
7 This program is also distributed with certain software (including
8 but not limited to OpenSSL) that is licensed under separate terms,
9 as designated in a particular file or component or in included license
10 documentation. The authors of MySQL hereby grant you an additional
11 permission to link the program and your derivative works with the
12 separately licensed software that they have included with MySQL.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License, version 2.0, for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef TABLE_ESGS_BY_THREAD_BY_EVENT_NAME_H
24#define TABLE_ESGS_BY_THREAD_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_esgs_by_thread_by_event_name.h
28 Table EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
34#include "my_inttypes.h"
37
38class Field;
39class Plugin_table;
40struct PFS_stage_class;
41struct PFS_thread;
42struct TABLE;
43struct THR_LOCK;
44
45/**
46 @addtogroup performance_schema_tables
47 @{
48*/
49
51 public:
54 m_key_1("THREAD_ID"),
55 m_key_2("EVENT_NAME") {}
56
58
59 bool match(PFS_thread *pfs);
60 bool match(PFS_stage_class *klass);
61
62 private:
65};
66
67/**
68 A row of table
69 PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME.
70*/
72 /** Column THREAD_ID. */
74 /** Column EVENT_NAME. */
76 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
78};
79
80/**
81 Position of a cursor on
82 PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME.
83 Index 1 on thread (0 based).
84 Index 2 on stage class (1 based).
85*/
88
89 inline void reset(void) {
90 m_index_1 = 0;
91 m_index_2 = 1;
92 }
93
94 inline void next_thread(void) {
95 m_index_1++;
96 m_index_2 = 1;
97 }
98
99 inline void next_stage(void) { m_index_2++; }
100};
101
102/** Table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME. */
104 public:
105 /** Table share */
108 static int delete_all_rows();
109 static ha_rows get_row_count();
110
111 void reset_position(void) override;
112
113 int rnd_init(bool scan) override;
114 int rnd_next() override;
115 int rnd_pos(const void *pos) override;
116
117 int index_init(uint idx, bool sorted) override;
118 int index_next() override;
119
120 protected:
121 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
122 bool read_all) override;
123
125
126 public:
128
129 protected:
130 int make_row(PFS_thread *thread, PFS_stage_class *klass);
131
132 private:
133 /** Table share lock. */
135 /** Table definition. */
137
138 /** Current row. */
140 /** Current position. */
142 /** Next position. */
144
146};
147
148/** @} */
149#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esgs_by_thread_by_event_name.h:50
PFS_index_esgs_by_thread_by_event_name()
Definition: table_esgs_by_thread_by_event_name.h:52
PFS_key_thread_id m_key_1
Definition: table_esgs_by_thread_by_event_name.h:63
PFS_key_event_name m_key_2
Definition: table_esgs_by_thread_by_event_name.h:64
~PFS_index_esgs_by_thread_by_event_name() override=default
bool match(PFS_thread *pfs)
Definition: table_esgs_by_thread_by_event_name.cc:80
Definition: table_helper.h:1431
Definition: table_helper.h:1250
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_esgs_by_thread_by_event_name.h:103
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esgs_by_thread_by_event_name.h:134
int make_row(PFS_thread *thread, PFS_stage_class *klass)
Definition: table_esgs_by_thread_by_event_name.cc:194
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esgs_by_thread_by_event_name.cc:122
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esgs_by_thread_by_event_name.cc:124
static PFS_engine_table_share m_share
Table share.
Definition: table_esgs_by_thread_by_event_name.h:106
pos_esgs_by_thread_by_event_name m_pos
Current position.
Definition: table_esgs_by_thread_by_event_name.h:141
static int delete_all_rows()
Definition: table_esgs_by_thread_by_event_name.cc:103
~table_esgs_by_thread_by_event_name() override=default
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esgs_by_thread_by_event_name.cc:98
int index_next() override
Find key in index, read record.
Definition: table_esgs_by_thread_by_event_name.cc:168
static Plugin_table m_table_def
Table definition.
Definition: table_esgs_by_thread_by_event_name.h:136
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esgs_by_thread_by_event_name.cc:143
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esgs_by_thread_by_event_name.cc:217
static ha_rows get_row_count()
Definition: table_esgs_by_thread_by_event_name.cc:108
PFS_index_esgs_by_thread_by_event_name * m_opened_index
Definition: table_esgs_by_thread_by_event_name.h:145
int index_init(uint idx, bool sorted) override
Definition: table_esgs_by_thread_by_event_name.cc:160
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_esgs_by_thread_by_event_name.cc:117
pos_esgs_by_thread_by_event_name m_next_pos
Next position.
Definition: table_esgs_by_thread_by_event_name.h:143
row_esgs_by_thread_by_event_name m_row
Current row.
Definition: table_esgs_by_thread_by_event_name.h:139
table_esgs_by_thread_by_event_name()
Definition: table_esgs_by_thread_by_event_name.cc:112
char * pos
Definition: do_ctype.cc:76
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1139
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:55
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:65
Position of a double cursor, for iterations using 2 nested loops.
Definition: pfs_engine_table.h:593
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:595
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:597
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Instrumentation metadata for a stage.
Definition: pfs_instr_class.h:526
Row fragment for stage statistics columns.
Definition: table_helper.h:847
Instrumented thread implementation.
Definition: pfs_instr.h:372
Definition: table.h:1394
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_esgs_by_thread_by_event_name.h:86
pos_esgs_by_thread_by_event_name()
Definition: table_esgs_by_thread_by_event_name.h:87
void reset(void)
Definition: table_esgs_by_thread_by_event_name.h:89
void next_thread(void)
Definition: table_esgs_by_thread_by_event_name.h:94
void next_stage(void)
Definition: table_esgs_by_thread_by_event_name.h:99
A row of table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_esgs_by_thread_by_event_name.h:71
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esgs_by_thread_by_event_name.h:75
ulonglong m_thread_internal_id
Column THREAD_ID.
Definition: table_esgs_by_thread_by_event_name.h:73
PFS_stage_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esgs_by_thread_by_event_name.h:77
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29