MySQL 8.0.32
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table_esms_global_by_event_name.h
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22
23#ifndef TABLE_ESMS_GLOBAL_BY_EVENT_NAME_H
24#define TABLE_ESMS_GLOBAL_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_esms_global_by_event_name.h
28 Table EVENTS_STATEMENTS_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;
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_STATEMENTS_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_STATEMENTS_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 int index_init(uint idx, bool sorted) override;
83 int index_next(void) override;
84
85 int rnd_init(bool scan) override;
86 int rnd_next() override;
87 int rnd_pos(const void *pos) override;
88 void reset_position(void) override;
89
90 protected:
91 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
92 bool read_all) override;
93
95
96 public:
98
99 protected:
100 int make_row(PFS_statement_class *klass);
101
102 private:
103 /** Table share lock. */
105 /** Table definition. */
107
108 /** Current row. */
110 /** Current position. */
112 /** Next position. */
114
116};
117
118/** @} */
119#endif
Definition: field.h:574
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_esms_global_by_event_name.h:49
PFS_index_esms_global_by_event_name()
Definition: table_esms_global_by_event_name.h:51
virtual bool match(PFS_instr_class *instr_class)
Definition: table_esms_global_by_event_name.cc:103
PFS_key_event_name m_key
Definition: table_esms_global_by_event_name.h:59
~PFS_index_esms_global_by_event_name() override=default
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_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME.
Definition: table_esms_global_by_event_name.h:74
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_esms_global_by_event_name.cc:237
static ha_rows get_row_count()
Definition: table_esms_global_by_event_name.cc:131
static int delete_all_rows()
Definition: table_esms_global_by_event_name.cc:121
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_esms_global_by_event_name.cc:145
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_esms_global_by_event_name.cc:116
static THR_LOCK m_table_lock
Table share lock.
Definition: table_esms_global_by_event_name.h:104
int make_row(PFS_statement_class *klass)
Definition: table_esms_global_by_event_name.cc:217
~table_esms_global_by_event_name() override=default
static Plugin_table m_table_def
Table definition.
Definition: table_esms_global_by_event_name.h:106
int index_init(uint idx, bool sorted) override
Definition: table_esms_global_by_event_name.cc:182
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_esms_global_by_event_name.cc:165
PFS_index_esms_global_by_event_name * m_opened_index
Definition: table_esms_global_by_event_name.h:115
PFS_simple_index m_next_pos
Next position.
Definition: table_esms_global_by_event_name.h:113
int index_next(void) override
Find key in index, read record.
Definition: table_esms_global_by_event_name.cc:192
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_esms_global_by_event_name.cc:147
PFS_simple_index m_pos
Current position.
Definition: table_esms_global_by_event_name.h:111
table_esms_global_by_event_name()
Definition: table_esms_global_by_event_name.cc:135
static PFS_engine_table_share m_share
Table share.
Definition: table_esms_global_by_event_name.h:77
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_esms_global_by_event_name.cc:140
row_esms_global_by_event_name m_row
Current row.
Definition: table_esms_global_by_event_name.h:109
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:581
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 statement.
Definition: pfs_instr_class.h:554
Row fragment for statement statistics columns.
Definition: table_helper.h:845
Definition: table.h:1395
Definition: thr_lock.h:138
A row of table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_EVENT_NAME.
Definition: table_esms_global_by_event_name.h:66
PFS_statement_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_esms_global_by_event_name.h:70
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_esms_global_by_event_name.h:68
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29