MySQL 9.0.0
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table_ews_by_thread_by_event_name.h
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23
24#ifndef TABLE_EWS_BY_THREAD_BY_EVENT_NAME_H
25#define TABLE_EWS_BY_THREAD_BY_EVENT_NAME_H
26
27/**
28 @file storage/perfschema/table_ews_by_thread_by_event_name.h
29 Table EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
35#include "my_inttypes.h"
38
39class Field;
40class Plugin_table;
41struct PFS_instr_class;
42struct PFS_thread;
43struct TABLE;
44struct THR_LOCK;
45
46/**
47 @addtogroup performance_schema_tables
48 @{
49*/
50
52 public:
55 m_key_1("THREAD_ID"),
56 m_key_2("EVENT_NAME") {}
57
59
60 virtual bool match(PFS_thread *pfs);
61 virtual bool match_view(uint view);
62 virtual bool match(PFS_instr_class *instr_class);
63
64 private:
67};
68
69/**
70 A row of table
71 PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
72*/
74 /** Column THREAD_ID. */
76 /** Column EVENT_NAME. */
78 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
80};
81
82/**
83 Position of a cursor on
84 PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
85 Index 1 on thread (0 based)
86 Index 2 on instrument view
87 Index 3 on instrument class (1 based)
88*/
92
93 inline void reset() {
94 m_index_1 = 0;
96 m_index_3 = 1;
97 }
98
99 inline void next_thread() {
100 m_index_1++;
102 m_index_3 = 1;
103 }
104
105 inline bool has_more_view() { return (m_index_2 <= LAST_VIEW); }
106
107 inline void next_view() {
108 m_index_2++;
109 m_index_3 = 1;
110 }
111};
112
113/** Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME. */
115 public:
116 /** Table share */
119 static int delete_all_rows();
120 static ha_rows get_row_count();
121
122 void reset_position() override;
123
124 int rnd_next() override;
125 int rnd_pos(const void *pos) override;
126
127 int index_init(uint idx, bool sorted) override;
128 int index_next() override;
129
130 protected:
131 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
132 bool read_all) override;
133
135
136 public:
138
139 protected:
140 int make_row(PFS_thread *thread, PFS_instr_class *klass);
141
142 private:
143 /** Table share lock. */
145 /** Table definition. */
147
148 /** Current row. */
150 /** Current position. */
152 /** Next position. */
154
156};
157
158/** @} */
159#endif
Definition: field.h:577
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_ews_by_thread_by_event_name.h:51
PFS_key_thread_id m_key_1
Definition: table_ews_by_thread_by_event_name.h:65
virtual bool match_view(uint view)
Definition: table_ews_by_thread_by_event_name.cc:110
virtual bool match(PFS_thread *pfs)
Definition: table_ews_by_thread_by_event_name.cc:101
~PFS_index_ews_by_thread_by_event_name() override=default
PFS_key_event_name m_key_2
Definition: table_ews_by_thread_by_event_name.h:66
PFS_index_ews_by_thread_by_event_name()
Definition: table_ews_by_thread_by_event_name.h:53
Definition: table_helper.h:1461
Definition: table_helper.h:1279
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_THREAD_BY_EVENT_NAME.
Definition: table_ews_by_thread_by_event_name.h:114
row_ews_by_thread_by_event_name m_row
Current row.
Definition: table_ews_by_thread_by_event_name.h:149
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_ews_by_thread_by_event_name.cc:338
static int delete_all_rows()
Definition: table_ews_by_thread_by_event_name.cc:86
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_ews_by_thread_by_event_name.cc:130
int index_init(uint idx, bool sorted) override
Definition: table_ews_by_thread_by_event_name.cc:225
pos_ews_by_thread_by_event_name m_next_pos
Next position.
Definition: table_ews_by_thread_by_event_name.h:153
PFS_index_ews_by_thread_by_event_name * m_opened_index
Definition: table_ews_by_thread_by_event_name.h:155
int make_row(PFS_thread *thread, PFS_instr_class *klass)
Definition: table_ews_by_thread_by_event_name.cc:298
table_ews_by_thread_by_event_name()
Definition: table_ews_by_thread_by_event_name.cc:95
static Plugin_table m_table_def
Table definition.
Definition: table_ews_by_thread_by_event_name.h:146
int index_next() override
Find key in index, read record.
Definition: table_ews_by_thread_by_event_name.cc:234
static THR_LOCK m_table_lock
Table share lock.
Definition: table_ews_by_thread_by_event_name.h:144
~table_ews_by_thread_by_event_name() override=default
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_ews_by_thread_by_event_name.cc:81
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_ews_by_thread_by_event_name.cc:181
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_ews_by_thread_by_event_name.cc:125
static PFS_engine_table_share m_share
Table share.
Definition: table_ews_by_thread_by_event_name.h:117
static ha_rows get_row_count()
Definition: table_ews_by_thread_by_event_name.cc:91
pos_ews_by_thread_by_event_name m_pos
Current position.
Definition: table_ews_by_thread_by_event_name.h:151
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:56
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
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
Row fragment for single statistics columns (COUNT, SUM, MIN, AVG, MAX)
Definition: table_helper.h:689
Instrumented thread implementation.
Definition: pfs_instr.h:375
Position of a triple cursor, for iterations using 3 nested loops.
Definition: pfs_engine_table.h:643
uint m_index_3
Current index within index_2.
Definition: pfs_engine_table.h:649
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:647
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:645
Definition: table.h:1407
Definition: thr_lock.h:139
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_ews_by_thread_by_event_name.h:90
void next_thread()
Definition: table_ews_by_thread_by_event_name.h:99
pos_ews_by_thread_by_event_name()
Definition: table_ews_by_thread_by_event_name.h:91
void reset()
Definition: table_ews_by_thread_by_event_name.h:93
void next_view()
Definition: table_ews_by_thread_by_event_name.h:107
bool has_more_view()
Definition: table_ews_by_thread_by_event_name.h:105
A row of table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_ews_by_thread_by_event_name.h:73
PFS_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_ews_by_thread_by_event_name.h:79
ulonglong m_thread_internal_id
Column THREAD_ID.
Definition: table_ews_by_thread_by_event_name.h:75
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_ews_by_thread_by_event_name.h:77
Helpers to implement a performance schema table.