MySQL 8.4.0
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table_ews_by_account_by_event_name.h
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24
25#ifndef TABLE_EWS_BY_ACCOUNT_BY_EVENT_NAME_H
26#define TABLE_EWS_BY_ACCOUNT_BY_EVENT_NAME_H
27
28/**
29 @file storage/perfschema/table_ews_by_account_by_event_name.h
30 Table EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME (declarations).
31*/
32
33#include <sys/types.h>
34
35#include "my_base.h"
38
39class Field;
40class Plugin_table;
41struct PFS_account;
42struct PFS_instr_class;
43struct TABLE;
44struct THR_LOCK;
45
46/**
47 @addtogroup performance_schema_tables
48 @{
49*/
50
52 public:
55 m_key_1("USER"),
56 m_key_2("HOST"),
57 m_key_3("EVENT_NAME") {}
58
60
61 virtual bool match(PFS_account *pfs);
62 virtual bool match_view(uint view);
63 virtual bool match(PFS_instr_class *instr_class);
64
65 private:
69};
70
71/**
72 A row of table
73 PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME.
74*/
76 /** Column USER, HOST. */
78 /** Column EVENT_NAME. */
80 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
82};
83
84/**
85 Position of a cursor on
86 PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME.
87 Index 1 on account (0 based)
88 Index 2 on instrument view
89 Index 3 on instrument class (1 based)
90*/
94
95 inline void reset() {
96 m_index_1 = 0;
98 m_index_3 = 1;
99 }
100
101 inline void next_account() {
102 m_index_1++;
104 m_index_3 = 1;
105 }
106
107 inline bool has_more_view() { return (m_index_2 <= LAST_VIEW); }
108
109 inline void next_view() {
110 m_index_2++;
111 m_index_3 = 1;
112 }
113};
114
115/** Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME. */
117 public:
118 /** Table share */
121 static int delete_all_rows();
122 static ha_rows get_row_count();
123
124 void reset_position() override;
125
126 int rnd_next() override;
127 int rnd_pos(const void *pos) override;
128
129 int index_init(uint idx, bool sorted) override;
130 int index_next() override;
131
132 protected:
133 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
134 bool read_all) override;
135
137
138 public:
140
141 protected:
142 int make_row(PFS_account *account, PFS_instr_class *klass);
143
144 private:
145 /** Table share lock. */
147 /** Table definition. */
149
150 /** Current row. */
152 /** Current position. */
154 /** Next position. */
156
158};
159
160/** @} */
161#endif
Definition: field.h:575
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_ews_by_account_by_event_name.h:51
virtual bool match_view(uint view)
Definition: table_ews_by_account_by_event_name.cc:98
PFS_index_ews_by_account_by_event_name()
Definition: table_ews_by_account_by_event_name.h:53
PFS_key_user m_key_1
Definition: table_ews_by_account_by_event_name.h:66
PFS_key_host m_key_2
Definition: table_ews_by_account_by_event_name.h:67
~PFS_index_ews_by_account_by_event_name() override=default
virtual bool match(PFS_account *pfs)
Definition: table_ews_by_account_by_event_name.cc:83
PFS_key_event_name m_key_3
Definition: table_ews_by_account_by_event_name.h:68
Definition: table_helper.h:1459
Definition: table_helper.h:1504
Definition: table_helper.h:1492
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME.
Definition: table_ews_by_account_by_event_name.h:116
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_ews_by_account_by_event_name.cc:134
static ha_rows get_row_count()
Definition: table_ews_by_account_by_event_name.cc:124
int index_next() override
Find key in index, read record.
Definition: table_ews_by_account_by_event_name.cc:248
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_ews_by_account_by_event_name.cc:190
pos_ews_by_account_by_event_name m_next_pos
Next position.
Definition: table_ews_by_account_by_event_name.h:155
int make_row(PFS_account *account, PFS_instr_class *klass)
Definition: table_ews_by_account_by_event_name.cc:312
PFS_index_ews_by_account_by_event_name * m_opened_index
Definition: table_ews_by_account_by_event_name.h:157
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_ews_by_account_by_event_name.cc:343
static int delete_all_rows()
Definition: table_ews_by_account_by_event_name.cc:118
int index_init(uint idx, bool sorted) override
Definition: table_ews_by_account_by_event_name.cc:238
static THR_LOCK m_table_lock
Table share lock.
Definition: table_ews_by_account_by_event_name.h:146
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_ews_by_account_by_event_name.cc:113
~table_ews_by_account_by_event_name() override=default
pos_ews_by_account_by_event_name m_pos
Current position.
Definition: table_ews_by_account_by_event_name.h:153
static Plugin_table m_table_def
Table definition.
Definition: table_ews_by_account_by_event_name.h:148
row_ews_by_account_by_event_name m_row
Current row.
Definition: table_ews_by_account_by_event_name.h:151
table_ews_by_account_by_event_name()
Definition: table_ews_by_account_by_event_name.cc:128
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_ews_by_account_by_event_name.cc:139
static PFS_engine_table_share m_share
Table share.
Definition: table_ews_by_account_by_event_name.h:119
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
Row fragment for columns USER, HOST.
Definition: table_helper.h:552
Per account statistics.
Definition: pfs_account.h:67
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Row fragment for column EVENT_NAME.
Definition: table_helper.h:583
Information for all instrumentation.
Definition: pfs_instr_class.h:212
Name space, internal views used within table setup_instruments.
Definition: table_helper.h:490
static const uint LAST_VIEW
Definition: table_helper.h:502
static const uint FIRST_VIEW
Definition: table_helper.h:493
static const uint VIEW_MUTEX
Definition: table_helper.h:494
Row fragment for single statistics columns (COUNT, SUM, MIN, AVG, MAX)
Definition: table_helper.h:689
Position of a triple cursor, for iterations using 3 nested loops.
Definition: pfs_engine_table.h:635
uint m_index_3
Current index within index_2.
Definition: pfs_engine_table.h:641
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:639
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:637
Definition: table.h:1405
Definition: thr_lock.h:139
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME.
Definition: table_ews_by_account_by_event_name.h:92
void next_view()
Definition: table_ews_by_account_by_event_name.h:109
pos_ews_by_account_by_event_name()
Definition: table_ews_by_account_by_event_name.h:93
void reset()
Definition: table_ews_by_account_by_event_name.h:95
void next_account()
Definition: table_ews_by_account_by_event_name.h:101
bool has_more_view()
Definition: table_ews_by_account_by_event_name.h:107
A row of table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME.
Definition: table_ews_by_account_by_event_name.h:75
PFS_account_row m_account
Column USER, HOST.
Definition: table_ews_by_account_by_event_name.h:77
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_ews_by_account_by_event_name.h:79
PFS_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_ews_by_account_by_event_name.h:81
Helpers to implement a performance schema table.