MySQL 8.0.29
Source Code Documentation
table_esms_global_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_ESMS_GLOBAL_BY_EVENT_NAME_H
24#define TABLE_ESMS_GLOBAL_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_esms_global_by_event_name.h
28 Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
36
37class Field;
38class Plugin_table;
39struct PFS_instr_class;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
50 public:
52 : PFS_engine_index(&m_key), m_key("EVENT_NAME") {}
53
55
56 virtual bool match(PFS_instr_class *instr_class);
57
58 private:
60};
61
62/**
63 A row of table
64 PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME.
65*/
67 /** Column EVENT_NAME. */
69 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
71};
72
73/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME. */
75 public:
76 /** Table share */
79 static int delete_all_rows();
80 static ha_rows get_row_count();
81
82 int index_init(uint idx, bool sorted) override;
83 int index_next(void) override;
84
85 int rnd_init(bool scan) override;
86 int rnd_next() override;
87 int rnd_pos(const void *pos) override;
88 void reset_position(void) override;
89
90 protected:
91 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
92 bool read_all) override;
93
95
96 public:
98
99 protected:
100 int make_row(PFS_statement_class *klass);
101
102 private:
103 /** Table share lock. */
105 /** Table definition. */
107
108 /** Current row. */
110 /** Current position. */
112 /** Next position. */
114
116};
117
118/** @} */
119#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esms_global_by_event_name.h:49
PFS_index_esms_global_by_event_name()
Definition: table_esms_global_by_event_name.h:51
virtual bool match(PFS_instr_class *instr_class)
Definition: table_esms_global_by_event_name.cc:101
PFS_key_event_name m_key
Definition: table_esms_global_by_event_name.h:59
~PFS_index_esms_global_by_event_name() override=default
Definition: table_helper.h:1431
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME.
Definition: table_esms_global_by_event_name.h:74
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esms_global_by_event_name.cc:235
static ha_rows get_row_count()
Definition: table_esms_global_by_event_name.cc:129
static int delete_all_rows()
Definition: table_esms_global_by_event_name.cc:119
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esms_global_by_event_name.cc:143
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esms_global_by_event_name.cc:114
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esms_global_by_event_name.h:104
int make_row(PFS_statement_class *klass)
Definition: table_esms_global_by_event_name.cc:215
~table_esms_global_by_event_name() override=default
static Plugin_table m_table_def
Table definition.
Definition: table_esms_global_by_event_name.h:106
int index_init(uint idx, bool sorted) override
Definition: table_esms_global_by_event_name.cc:180
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esms_global_by_event_name.cc:163
PFS_index_esms_global_by_event_name * m_opened_index
Definition: table_esms_global_by_event_name.h:115
PFS_simple_index m_next_pos
Next position.
Definition: table_esms_global_by_event_name.h:113
int index_next(void) override
Find key in index, read record.
Definition: table_esms_global_by_event_name.cc:190
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esms_global_by_event_name.cc:145
PFS_simple_index m_pos
Current position.
Definition: table_esms_global_by_event_name.h:111
table_esms_global_by_event_name()
Definition: table_esms_global_by_event_name.cc:133
static PFS_engine_table_share m_share
Table share.
Definition: table_esms_global_by_event_name.h:77
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_esms_global_by_event_name.cc:138
row_esms_global_by_event_name m_row
Current row.
Definition: table_esms_global_by_event_name.h:109
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).
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Information for all instrumentation.
Definition: pfs_instr_class.h:204
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Instrumentation metadata for a statement.
Definition: pfs_instr_class.h:537
Row fragment for statement statistics columns.
Definition: table_helper.h:860
Definition: table.h:1394
Definition: thr_lock.h:138
A row of table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME.
Definition: table_esms_global_by_event_name.h:66
PFS_statement_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esms_global_by_event_name.h:70
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esms_global_by_event_name.h:68
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29