MySQL 8.0.29
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table_esgs_global_by_event_name.h
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22
23#ifndef TABLE_ESGS_GLOBAL_BY_EVENT_NAME_H
24#define TABLE_ESGS_GLOBAL_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_esgs_global_by_event_name.h
28 Table EVENTS_STAGES_SUMMARY_GLOBAL_BY_EVENT_NAME (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
36
37class Field;
38class Plugin_table;
39struct PFS_instr_class;
40struct PFS_stage_class;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
50 public:
52 : PFS_engine_index(&m_key), m_key("EVENT_NAME") {}
53
55
56 virtual bool match(PFS_instr_class *instr_class);
57
58 private:
60};
61
62/**
63 A row of table
64 PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_GLOBAL_BY_EVENT_NAME.
65*/
67 /** Column EVENT_NAME. */
69 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
71};
72
73/** Table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_GLOBAL_BY_EVENT_NAME. */
75 public:
76 /** Table share */
79 static int delete_all_rows();
80 static ha_rows get_row_count();
81
82 void reset_position(void) override;
83
84 int rnd_init(bool scan) override;
85 int rnd_next() override;
86 int rnd_pos(const void *pos) override;
87
88 int index_init(uint idx, bool sorted) override;
89 int index_next(void) override;
90
91 protected:
92 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
93 bool read_all) override;
94
96
97 public:
99
100 protected:
101 int make_row(PFS_stage_class *klass);
102
103 private:
104 /** Table share lock. */
106 /** Table definition. */
108
109 /** Current row. */
111 /** Current position. */
113 /** Next position. */
115
117};
118
119/** @} */
120#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esgs_global_by_event_name.h:49
PFS_key_event_name m_key
Definition: table_esgs_global_by_event_name.h:59
~PFS_index_esgs_global_by_event_name() override=default
virtual bool match(PFS_instr_class *instr_class)
Definition: table_esgs_global_by_event_name.cc:80
PFS_index_esgs_global_by_event_name()
Definition: table_esgs_global_by_event_name.h:51
Definition: table_helper.h:1431
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_GLOBAL_BY_EVENT_NAME.
Definition: table_esgs_global_by_event_name.h:74
int make_row(PFS_stage_class *klass)
Definition: table_esgs_global_by_event_name.cc:189
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_esgs_global_by_event_name.cc:112
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esgs_global_by_event_name.cc:119
table_esgs_global_by_event_name()
Definition: table_esgs_global_by_event_name.cc:107
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esgs_global_by_event_name.cc:117
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esgs_global_by_event_name.h:105
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esgs_global_by_event_name.cc:205
static Plugin_table m_table_def
Table definition.
Definition: table_esgs_global_by_event_name.h:107
~table_esgs_global_by_event_name() override=default
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esgs_global_by_event_name.cc:137
PFS_simple_index m_pos
Current position.
Definition: table_esgs_global_by_event_name.h:112
row_esgs_global_by_event_name m_row
Current row.
Definition: table_esgs_global_by_event_name.h:110
static ha_rows get_row_count()
Definition: table_esgs_global_by_event_name.cc:103
static int delete_all_rows()
Definition: table_esgs_global_by_event_name.cc:94
PFS_simple_index m_next_pos
Next position.
Definition: table_esgs_global_by_event_name.h:114
int index_init(uint idx, bool sorted) override
Definition: table_esgs_global_by_event_name.cc:154
PFS_index_esgs_global_by_event_name * m_opened_index
Definition: table_esgs_global_by_event_name.h:116
int index_next(void) override
Find key in index, read record.
Definition: table_esgs_global_by_event_name.cc:164
static PFS_engine_table_share m_share
Table share.
Definition: table_esgs_global_by_event_name.h:77
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esgs_global_by_event_name.cc:89
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
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Information for all instrumentation.
Definition: pfs_instr_class.h:204
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Instrumentation metadata for a stage.
Definition: pfs_instr_class.h:526
Row fragment for stage statistics columns.
Definition: table_helper.h:847
Definition: table.h:1394
Definition: thr_lock.h:138
A row of table PERFORMANCE_SCHEMA.EVENTS_STAGES_SUMMARY_GLOBAL_BY_EVENT_NAME.
Definition: table_esgs_global_by_event_name.h:66
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esgs_global_by_event_name.h:68
PFS_stage_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esgs_global_by_event_name.h:70
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29