MySQL 8.0.31
Source Code Documentation
table_ets_by_thread_by_event_name.h
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22
23#ifndef TABLE_ETS_BY_THREAD_BY_EVENT_NAME_H
24#define TABLE_ETS_BY_THREAD_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_ets_by_thread_by_event_name.h
28 Table EVENTS_TRANSACTIONS_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"
37
38class Field;
39class Plugin_table;
40struct PFS_thread;
42struct TABLE;
43struct THR_LOCK;
44
45/**
46 @addtogroup performance_schema_tables
47 @{
48*/
49
51 public:
54 m_key_1("THREAD_ID"),
55 m_key_2("EVENT_NAME") {}
56
58
59 bool match(PFS_thread *pfs);
60 bool match(PFS_transaction_class *klass);
61
62 private:
65};
66
67/**
68 A row of table
69 PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
70*/
72 /** Column THREAD_ID. */
74 /** Column EVENT_NAME. */
76 /**
77 Columns COUNT_STAR, SUM/MIN/AVG/MAX_TIMER_WAIT,
78 COUNT_READ_WRITE, SUM/MIN/AVG/MAX_TIMER_READ_WRITE,
79 COUNT_READ_ONLY, SUM/MIN/AVG/MAX_TIMER_READ_ONLY
80 */
82};
83
84/**
85 Position of a cursor on
86 PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
87 Index 1 on thread (0 based).
88 Index 2 on transaction class (1 based).
89*/
93
94 inline void reset(void) {
95 m_index_1 = 0;
96 m_index_2 = 1;
97 }
98
99 inline void next_thread(void) {
100 m_index_1++;
101 m_index_2 = 1;
102 }
103
104 inline void next_transaction(void) { m_index_2++; }
105};
106
107/** Table
108 * PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME. */
110 public:
111 /** Table share */
114 static int delete_all_rows();
115 static ha_rows get_row_count();
116
117 void reset_position(void) override;
118
119 int rnd_init(bool scan) override;
120 int rnd_next() override;
121 int rnd_pos(const void *pos) override;
122
123 int index_init(uint idx, bool sorted) override;
124 int index_next() override;
125
126 protected:
127 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
128 bool read_all) override;
129
131
132 public:
134
135 protected:
136 int make_row(PFS_thread *thread, PFS_transaction_class *klass);
137
138 private:
139 /** Table share lock. */
141 /** Table definition. */
143
144 /** Current row. */
146 /** Current position. */
148 /** Next position. */
150
152};
153
154/** @} */
155#endif
Definition: field.h:574
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_ets_by_thread_by_event_name.h:50
PFS_key_thread_id m_key_1
Definition: table_ets_by_thread_by_event_name.h:63
bool match(PFS_thread *pfs)
Definition: table_ets_by_thread_by_event_name.cc:91
PFS_key_event_name m_key_2
Definition: table_ets_by_thread_by_event_name.h:64
~PFS_index_ets_by_thread_by_event_name() override=default
PFS_index_ets_by_thread_by_event_name()
Definition: table_ets_by_thread_by_event_name.h:52
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_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_ets_by_thread_by_event_name.h:109
pos_ets_by_thread_by_event_name m_pos
Current position.
Definition: table_ets_by_thread_by_event_name.h:147
table_ets_by_thread_by_event_name()
Definition: table_ets_by_thread_by_event_name.cc:124
PFS_index_ets_by_thread_by_event_name * m_opened_index
Definition: table_ets_by_thread_by_event_name.h:151
static PFS_engine_table_share m_share
Table share.
Definition: table_ets_by_thread_by_event_name.h:112
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_ets_by_thread_by_event_name.cc:110
static THR_LOCK m_table_lock
Table share lock.
Definition: table_ets_by_thread_by_event_name.h:140
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_ets_by_thread_by_event_name.cc:231
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_ets_by_thread_by_event_name.cc:129
int make_row(PFS_thread *thread, PFS_transaction_class *klass)
Definition: table_ets_by_thread_by_event_name.cc:208
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_ets_by_thread_by_event_name.cc:136
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_ets_by_thread_by_event_name.cc:134
pos_ets_by_thread_by_event_name m_next_pos
Next position.
Definition: table_ets_by_thread_by_event_name.h:149
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_ets_by_thread_by_event_name.cc:155
int index_init(uint idx, bool sorted) override
Definition: table_ets_by_thread_by_event_name.cc:172
row_ets_by_thread_by_event_name m_row
Current row.
Definition: table_ets_by_thread_by_event_name.h:145
static int delete_all_rows()
Definition: table_ets_by_thread_by_event_name.cc:115
static Plugin_table m_table_def
Table definition.
Definition: table_ets_by_thread_by_event_name.h:142
~table_ets_by_thread_by_event_name() override=default
static ha_rows get_row_count()
Definition: table_ets_by_thread_by_event_name.cc:120
int index_next() override
Find key in index, read record.
Definition: table_ets_by_thread_by_event_name.cc:180
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
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:581
Name space, internal views used within table setup_instruments.
Definition: table_helper.h:488
Instrumented thread implementation.
Definition: pfs_instr.h:372
Instrumentation metadata for a transaction.
Definition: pfs_instr_class.h:557
Row fragment for transaction statistics columns.
Definition: table_helper.h:952
Definition: table.h:1396
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_ets_by_thread_by_event_name.h:91
void reset(void)
Definition: table_ets_by_thread_by_event_name.h:94
void next_thread(void)
Definition: table_ets_by_thread_by_event_name.h:99
pos_ets_by_thread_by_event_name()
Definition: table_ets_by_thread_by_event_name.h:92
void next_transaction(void)
Definition: table_ets_by_thread_by_event_name.h:104
A row of table PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME.
Definition: table_ets_by_thread_by_event_name.h:71
PFS_transaction_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX_TIMER_WAIT, COUNT_READ_WRITE, SUM/MIN/AVG/MAX_TIMER_READ_WRITE,...
Definition: table_ets_by_thread_by_event_name.h:81
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_ets_by_thread_by_event_name.h:75
ulonglong m_thread_internal_id
Column THREAD_ID.
Definition: table_ets_by_thread_by_event_name.h:73
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29