MySQL 8.3.0
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table_esgs_by_user_by_event_name.h
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23
24#ifndef TABLE_ESGS_BY_USER_BY_EVENT_NAME_H
25#define TABLE_ESGS_BY_USER_BY_EVENT_NAME_H
26
27/**
28 @file storage/perfschema/table_esgs_by_user_by_event_name.h
29 Table EVENTS_STAGES_SUMMARY_BY_USER_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_instr_class;
41struct PFS_stage_class;
42struct PFS_user;
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("EVENT_NAME") {}
57
59
60 virtual bool match(PFS_user *pfs);
61 virtual bool match(PFS_instr_class *instr_class);
62
63 private:
66};
67
68/**
69 A row of table
70 PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_USER_BY_EVENT_NAME.
71*/
73 /** Column USER. */
75 /** Column EVENT_NAME. */
77 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
79};
80
81/**
82 Position of a cursor on
83 PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_USER_BY_EVENT_NAME.
84 Index 1 on user (0 based)
85 Index 2 on stage class (1 based)
86*/
89
90 inline void reset() {
91 m_index_1 = 0;
92 m_index_2 = 1;
93 }
94
95 inline void next_user() {
96 m_index_1++;
97 m_index_2 = 1;
98 }
99
100 inline void next_stage() { m_index_2++; }
101};
102
103/** Table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_USER_BY_EVENT_NAME. */
105 public:
106 /** Table share */
109 static int delete_all_rows();
110 static ha_rows get_row_count();
111
112 void reset_position() override;
113
114 int rnd_init(bool scan) override;
115 int rnd_next() override;
116 int rnd_pos(const void *pos) override;
117
118 int index_init(uint idx, bool sorted) override;
119 int index_next() override;
120
121 protected:
122 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
123 bool read_all) override;
124
126
127 public:
129
130 protected:
132
133 private:
134 /** Table share lock. */
136 /** Table definition. */
138
139 /** Current row. */
141 /** Current position. */
143 /** Next position. */
145
147};
148
149/** @} */
150#endif
Definition: field.h:574
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esgs_by_user_by_event_name.h:51
PFS_key_event_name m_key_2
Definition: table_esgs_by_user_by_event_name.h:65
~PFS_index_esgs_by_user_by_event_name() override=default
PFS_key_user m_key_1
Definition: table_esgs_by_user_by_event_name.h:64
PFS_index_esgs_by_user_by_event_name()
Definition: table_esgs_by_user_by_event_name.h:53
virtual bool match(PFS_user *pfs)
Definition: table_esgs_by_user_by_event_name.cc:82
Definition: table_helper.h:1458
Definition: table_helper.h:1491
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_USER_BY_EVENT_NAME.
Definition: table_esgs_by_user_by_event_name.h:104
row_esgs_by_user_by_event_name m_row
Current row.
Definition: table_esgs_by_user_by_event_name.h:140
static ha_rows get_row_count()
Definition: table_esgs_by_user_by_event_name.cc:112
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_esgs_by_user_by_event_name.cc:121
pos_esgs_by_user_by_event_name m_pos
Current position.
Definition: table_esgs_by_user_by_event_name.h:142
PFS_index_esgs_by_user_by_event_name * m_opened_index
Definition: table_esgs_by_user_by_event_name.h:146
static Plugin_table m_table_def
Table definition.
Definition: table_esgs_by_user_by_event_name.h:137
static PFS_engine_table_share m_share
Table share.
Definition: table_esgs_by_user_by_event_name.h:107
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esgs_by_user_by_event_name.cc:147
~table_esgs_by_user_by_event_name() override=default
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esgs_by_user_by_event_name.cc:229
table_esgs_by_user_by_event_name()
Definition: table_esgs_by_user_by_event_name.cc:116
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esgs_by_user_by_event_name.h:135
int index_next() override
Find key in index, read record.
Definition: table_esgs_by_user_by_event_name.cc:174
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esgs_by_user_by_event_name.cc:126
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esgs_by_user_by_event_name.cc:128
static int delete_all_rows()
Definition: table_esgs_by_user_by_event_name.cc:105
int index_init(uint idx, bool sorted) override
Definition: table_esgs_by_user_by_event_name.cc:164
int make_row(PFS_user *user, PFS_stage_class *klass)
Definition: table_esgs_by_user_by_event_name.cc:202
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esgs_by_user_by_event_name.cc:100
pos_esgs_by_user_by_event_name m_next_pos
Next position.
Definition: table_esgs_by_user_by_event_name.h:144
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1140
char * user
Definition: mysqladmin.cc:64
static PFS_engine_table_share_proxy table
Definition: pfs.cc:60
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:592
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:594
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:596
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:582
Information for all instrumentation.
Definition: pfs_instr_class.h:211
Instrumentation metadata for a stage.
Definition: pfs_instr_class.h:596
Row fragment for stage statistics columns.
Definition: table_helper.h:860
Row fragment for column USER.
Definition: table_helper.h:539
Per user statistics.
Definition: pfs_user.h:62
Definition: table.h:1403
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_USER_BY_EVENT_NAME.
Definition: table_esgs_by_user_by_event_name.h:87
void next_user()
Definition: table_esgs_by_user_by_event_name.h:95
void next_stage()
Definition: table_esgs_by_user_by_event_name.h:100
pos_esgs_by_user_by_event_name()
Definition: table_esgs_by_user_by_event_name.h:88
void reset()
Definition: table_esgs_by_user_by_event_name.h:90
A row of table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_BY_USER_BY_EVENT_NAME.
Definition: table_esgs_by_user_by_event_name.h:72
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esgs_by_user_by_event_name.h:76
PFS_stage_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esgs_by_user_by_event_name.h:78
PFS_user_row m_user
Column USER.
Definition: table_esgs_by_user_by_event_name.h:74
Helpers to implement a performance schema table.