MySQL 8.0.29
Source Code Documentation
table_esms_by_thread_by_event_name.h
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22
23#ifndef TABLE_ESMS_BY_THREAD_BY_EVENT_NAME_H
24#define TABLE_ESMS_BY_THREAD_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_esms_by_thread_by_event_name.h
28 Table EVENTS_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
34#include "my_inttypes.h"
38
39class Field;
40class Plugin_table;
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 bool match(PFS_thread *pfs);
61 bool match(PFS_statement_class *klass);
62
63 private:
66};
67
68/**
69 A row of table
70 PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
71*/
73 /** Column THREAD_ID. */
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_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
84 Index 1 on thread (0 based).
85 Index 2 on statement class (1 based).
86*/
90
91 inline void reset(void) {
92 m_index_1 = 0;
93 m_index_2 = 1;
94 }
95
96 inline void next_thread(void) {
97 m_index_1++;
98 m_index_2 = 1;
99 }
100
101 inline void next_statement(void) { m_index_2++; }
102
103 inline bool has_more_thread(void) {
105 }
106};
107
108/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
109 */
111 public:
112 /** Table share */
115 static int delete_all_rows();
116 static ha_rows get_row_count();
117
118 void reset_position(void) override;
119
120 int rnd_init(bool scan) override;
121 int rnd_next() override;
122 int rnd_pos(const void *pos) override;
123
124 int index_init(uint idx, bool sorted) override;
125 int index_next() override;
126
127 protected:
128 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
129 bool read_all) override;
130
132
133 public:
135
136 protected:
137 int make_row(PFS_thread *thread, PFS_statement_class *klass);
138
139 private:
140 /** Table share lock. */
142 /** Table definition. */
144
145 /** Current row. */
147 /** Current position. */
149 /** Next position. */
151
153};
154
155/** @} */
156#endif
Definition: field.h:573
size_t get_row_count()
Definition: pfs_buffer_container.h:464
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esms_by_thread_by_event_name.h:51
PFS_index_esms_by_thread_by_event_name()
Definition: table_esms_by_thread_by_event_name.h:53
~PFS_index_esms_by_thread_by_event_name() override=default
PFS_key_thread_id m_key_1
Definition: table_esms_by_thread_by_event_name.h:64
bool match(PFS_thread *pfs)
Definition: table_esms_by_thread_by_event_name.cc:101
PFS_key_event_name m_key_2
Definition: table_esms_by_thread_by_event_name.h:65
Definition: table_helper.h:1431
Definition: table_helper.h:1250
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_BY_THREAD_BY_EVENT_NAME.
Definition: table_esms_by_thread_by_event_name.h:110
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esms_by_thread_by_event_name.cc:168
int make_row(PFS_thread *thread, PFS_statement_class *klass)
Definition: table_esms_by_thread_by_event_name.cc:221
row_esms_by_thread_by_event_name m_row
Current row.
Definition: table_esms_by_thread_by_event_name.h:146
static Plugin_table m_table_def
Table definition.
Definition: table_esms_by_thread_by_event_name.h:143
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esms_by_thread_by_event_name.cc:149
pos_esms_by_thread_by_event_name m_next_pos
Next position.
Definition: table_esms_by_thread_by_event_name.h:150
int index_next() override
Find key in index, read record.
Definition: table_esms_by_thread_by_event_name.cc:193
PFS_index_esms_by_thread_by_event_name * m_opened_index
Definition: table_esms_by_thread_by_event_name.h:152
int index_init(uint idx, bool sorted) override
Definition: table_esms_by_thread_by_event_name.cc:185
static int delete_all_rows()
Definition: table_esms_by_thread_by_event_name.cc:128
pos_esms_by_thread_by_event_name m_pos
Current position.
Definition: table_esms_by_thread_by_event_name.h:148
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esms_by_thread_by_event_name.cc:247
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esms_by_thread_by_event_name.h:141
table_esms_by_thread_by_event_name()
Definition: table_esms_by_thread_by_event_name.cc:137
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_esms_by_thread_by_event_name.cc:142
static ha_rows get_row_count()
Definition: table_esms_by_thread_by_event_name.cc:133
~table_esms_by_thread_by_event_name() override=default
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esms_by_thread_by_event_name.cc:123
static PFS_engine_table_share m_share
Table share.
Definition: table_esms_by_thread_by_event_name.h:113
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esms_by_thread_by_event_name.cc:147
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
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:55
Definition: buf0block_hint.cc:29
Generic buffer container.
PFS_thread_container global_thread_container
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:593
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:595
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:597
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Name space, internal views used within table setup_instruments.
Definition: table_helper.h:503
Instrumentation metadata for a statement.
Definition: pfs_instr_class.h:537
Row fragment for statement statistics columns.
Definition: table_helper.h:860
Instrumented thread implementation.
Definition: pfs_instr.h:372
Definition: table.h:1394
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_esms_by_thread_by_event_name.h:88
pos_esms_by_thread_by_event_name()
Definition: table_esms_by_thread_by_event_name.h:89
void reset(void)
Definition: table_esms_by_thread_by_event_name.h:91
bool has_more_thread(void)
Definition: table_esms_by_thread_by_event_name.h:103
void next_thread(void)
Definition: table_esms_by_thread_by_event_name.h:96
void next_statement(void)
Definition: table_esms_by_thread_by_event_name.h:101
A row of table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_esms_by_thread_by_event_name.h:72
ulonglong m_thread_internal_id
Column THREAD_ID.
Definition: table_esms_by_thread_by_event_name.h:74
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esms_by_thread_by_event_name.h:76
PFS_statement_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esms_by_thread_by_event_name.h:78
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29