MySQL 9.0.0
Source Code Documentation
table_socket_summary_by_event_name.h
Go to the documentation of this file.
1/* Copyright (c) 2008, 2024, 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 designed to work 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 either included with
13 the program or referenced in the documentation.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef TABLE_SOCKET_SUMMARY_BY_EVENT_NAME_H
25#define TABLE_SOCKET_SUMMARY_BY_EVENT_NAME_H
26
27/**
28 @file storage/perfschema/table_socket_summary_by_event_name.h
29 Table SOCKET_SUMMARY_BY_EVENT_NAME (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct PFS_socket_class;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
49/**
50 A row of table
51 PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
52*/
54 /** Column EVENT_NAME. */
56
57 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each
58 * operation. */
60};
61
63 public:
65 : PFS_engine_index(&m_key), m_key("EVENT_NAME") {}
66
68
69 bool match(const PFS_socket_class *pfs);
70
71 private:
73};
74
75/** Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME. */
77 public:
78 /** Table share */
81 static int delete_all_rows();
82 static ha_rows get_row_count();
83
84 void reset_position() override;
85
86 int rnd_next() override;
87 int rnd_pos(const void *pos) override;
88
89 int index_init(uint idx, bool sorted) override;
90 int index_next() override;
91
92 private:
93 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
94 bool read_all) override;
95
97
98 public:
100
101 private:
102 int make_row(PFS_socket_class *socket_class);
103
104 /** Table share lock. */
106 /** Table definition. */
108
109 /** Current row. */
111 /** Current position. */
113 /** Next position. */
115
116 protected:
118};
119
120/** @} */
121#endif
Definition: field.h:577
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_socket_summary_by_event_name.h:62
bool match(const PFS_socket_class *pfs)
Definition: table_socket_summary_by_event_name.cc:96
PFS_key_event_name m_key
Definition: table_socket_summary_by_event_name.h:72
~PFS_index_socket_summary_by_event_name() override=default
PFS_index_socket_summary_by_event_name()
Definition: table_socket_summary_by_event_name.h:64
Definition: table_helper.h:1461
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:76
row_socket_summary_by_event_name m_row
Current row.
Definition: table_socket_summary_by_event_name.h:110
static PFS_engine_table_share m_share
Table share.
Definition: table_socket_summary_by_event_name.h:79
static int delete_all_rows()
Definition: table_socket_summary_by_event_name.cc:119
int index_next() override
Find key in index, read record.
Definition: table_socket_summary_by_event_name.cc:170
PFS_simple_index m_next_pos
Next position.
Definition: table_socket_summary_by_event_name.h:114
table_socket_summary_by_event_name()
Definition: table_socket_summary_by_event_name.cc:111
int index_init(uint idx, bool sorted) override
Definition: table_socket_summary_by_event_name.cc:161
static ha_rows get_row_count()
Definition: table_socket_summary_by_event_name.cc:125
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_socket_summary_by_event_name.cc:134
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_event_name.cc:204
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_socket_summary_by_event_name.cc:129
static THR_LOCK m_table_lock
Table share lock.
Definition: table_socket_summary_by_event_name.h:105
PFS_simple_index m_pos
Current position.
Definition: table_socket_summary_by_event_name.h:112
int make_row(PFS_socket_class *socket_class)
Definition: table_socket_summary_by_event_name.cc:191
PFS_index_socket_summary_by_event_name * m_opened_index
Definition: table_socket_summary_by_event_name.h:117
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_socket_summary_by_event_name.cc:106
static Plugin_table m_table_def
Table definition.
Definition: table_socket_summary_by_event_name.h:107
~table_socket_summary_by_event_name() override=default
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_socket_summary_by_event_name.cc:148
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
static PFS_engine_table_share_proxy table
Definition: pfs.cc:61
Definition: buf0block_hint.cc:30
Performance schema tables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:66
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Row fragment for column EVENT_NAME.
Definition: table_helper.h:583
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:566
Instrumentation metadata for a socket.
Definition: pfs_instr_class.h:616
Row fragment for socket I/O statistics columns.
Definition: table_helper.h:1046
Definition: table.h:1407
Definition: thr_lock.h:139
A row of table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:53
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:55
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_event_name.h:59
Helpers to implement a performance schema table.