MySQL 8.0.29
Source Code Documentation
table_socket_summary_by_instance.h
Go to the documentation of this file.
1/* Copyright (c) 2008, 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_SOCKET_SUMMARY_BY_INSTANCE_H
24#define TABLE_SOCKET_SUMMARY_BY_INSTANCE_H
25
26/**
27 @file storage/perfschema/table_socket_summary_by_instance.h
28 Table SOCKET_SUMMARY_BY_INSTANCE (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
36
37class Field;
38class Plugin_table;
39struct PFS_socket;
40struct TABLE;
41struct THR_LOCK;
42
43/**
44 @addtogroup performance_schema_tables
45 @{
46*/
47
48/**
49 A row of table
50 PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE.
51*/
53 /** Column EVENT_NAME. */
55
56 /** Column OBJECT_INSTANCE_BEGIN */
57 const void *m_identity;
58
59 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each
60 * operation. */
62};
63
65 public:
67 : PFS_engine_index(key_1) {}
68
70
71 virtual bool match(const PFS_socket *pfs) = 0;
72};
73
76 public:
79 m_key("OBJECT_INSTANCE_BEGIN") {}
80
82
83 bool match(const PFS_socket *pfs) override;
84
85 private:
87};
88
91 public:
94
96
97 bool match(const PFS_socket *pfs) override;
98
99 private:
101};
102
103/** Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE. */
105 public:
106 /** Table share */
109 static int delete_all_rows();
110 static ha_rows get_row_count();
111
112 void reset_position(void) override;
113
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 private:
121 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
122 bool read_all) override;
123
125
126 public:
128
129 private:
130 int make_row(PFS_socket *pfs);
131
132 /** Table share lock. */
134 /** Table definition. */
136
137 /** Current row. */
139 /** Current position. */
141 /** Next position. */
143
144 protected:
146};
147
148/** @} */
149#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
Definition: pfs_engine_table.h:267
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_socket_summary_by_instance.h:90
PFS_key_event_name m_key
Definition: table_socket_summary_by_instance.h:100
bool match(const PFS_socket *pfs) override
Definition: table_socket_summary_by_instance.cc:110
PFS_index_socket_summary_by_instance_by_event_name()
Definition: table_socket_summary_by_instance.h:92
~PFS_index_socket_summary_by_instance_by_event_name() override=default
Definition: table_socket_summary_by_instance.h:75
PFS_index_socket_summary_by_instance_by_instance()
Definition: table_socket_summary_by_instance.h:77
PFS_key_object_instance m_key
Definition: table_socket_summary_by_instance.h:86
bool match(const PFS_socket *pfs) override
Definition: table_socket_summary_by_instance.cc:100
~PFS_index_socket_summary_by_instance_by_instance() override=default
Definition: table_socket_summary_by_instance.h:64
PFS_index_socket_summary_by_instance(PFS_engine_key *key_1)
Definition: table_socket_summary_by_instance.h:66
~PFS_index_socket_summary_by_instance() override=default
virtual bool match(const PFS_socket *pfs)=0
Definition: table_helper.h:1431
Definition: table_helper.h:1673
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE.
Definition: table_socket_summary_by_instance.h:104
PFS_simple_index m_pos
Current position.
Definition: table_socket_summary_by_instance.h:140
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_socket_summary_by_instance.cc:158
int make_row(PFS_socket *pfs)
Definition: table_socket_summary_by_instance.cc:212
int index_init(uint idx, bool sorted) override
Definition: table_socket_summary_by_instance.cc:171
row_socket_summary_by_instance m_row
Current row.
Definition: table_socket_summary_by_instance.h:138
static Plugin_table m_table_def
Table definition.
Definition: table_socket_summary_by_instance.h:135
int index_next() override
Find key in index, read record.
Definition: table_socket_summary_by_instance.cc:191
static ha_rows get_row_count()
Definition: table_socket_summary_by_instance.cc:135
static int delete_all_rows()
Definition: table_socket_summary_by_instance.cc:130
PFS_index_socket_summary_by_instance * m_opened_index
Definition: table_socket_summary_by_instance.h:145
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_socket_summary_by_instance.cc:144
~table_socket_summary_by_instance() override=default
table_socket_summary_by_instance()
Definition: table_socket_summary_by_instance.cc:125
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_socket_summary_by_instance.cc:139
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_socket_summary_by_instance.cc:120
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_socket_summary_by_instance.cc:237
static THR_LOCK m_table_lock
Table share lock.
Definition: table_socket_summary_by_instance.h:133
static PFS_engine_table_share m_share
Table share.
Definition: table_socket_summary_by_instance.h:107
PFS_simple_index m_next_pos
Next position.
Definition: table_socket_summary_by_instance.h:142
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
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:65
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Row fragment for socket I/O statistics columns.
Definition: table_helper.h:1030
Instrumented socket implementation.
Definition: pfs_instr.h:286
Definition: table.h:1394
Definition: thr_lock.h:138
A row of table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE.
Definition: table_socket_summary_by_instance.h:52
const void * m_identity
Column OBJECT_INSTANCE_BEGIN.
Definition: table_socket_summary_by_instance.h:57
PFS_socket_io_stat_row m_io_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each operation.
Definition: table_socket_summary_by_instance.h:61
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_socket_summary_by_instance.h:54
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29