MySQL 8.4.0
Source Code Documentation
table_setup_threads.h
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23
24#ifndef TABLE_SETUP_THREADS_H
25#define TABLE_SETUP_THREADS_H
26
27/**
28 @file storage/perfschema/table_setup_threads.h
29 Table SETUP_THREADS (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct PFS_instr_class;
41struct PFS_thread_class;
42struct TABLE;
43struct THR_LOCK;
44
45/**
46 @addtogroup performance_schema_tables
47 @{
48*/
49
50/** A row of PERFORMANCE_SCHEMA.SETUP_THREADS. */
52 /** Columns NAME, ENABLED, HISTORY, PROPERTIES, VOLATILITY, DOCUMENTATION. */
54};
55
57 public:
59
60 ~PFS_index_setup_threads() override = default;
61
62 bool match(PFS_instr_class *klass);
63
64 private:
66};
67
68/** Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
71
72 public:
73 /** Table share. */
76 static ha_rows get_row_count();
77
78 void reset_position() override;
79
80 int rnd_next() override;
81 int rnd_pos(const void *pos) override;
82
83 int index_init(uint idx, bool sorted) override;
84 int index_next() override;
85
86 protected:
87 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
88 bool read_all) override;
89
90 int update_row_values(TABLE *table, const unsigned char *old_buf,
91 unsigned char *new_buf, Field **fields) override;
92
94
95 public:
96 ~table_setup_threads() override = default;
97
98 private:
99 int make_row(PFS_thread_class *klass);
100
101 /** Table share lock. */
103 /** Table definition. */
105
106 /** Current row. */
108 /** Current position. */
110 /** Next position. */
112
114};
115
116/** @} */
117#endif
Definition: field.h:575
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_setup_threads.h:56
PFS_key_event_name m_key
Definition: table_setup_threads.h:65
bool match(PFS_instr_class *klass)
Definition: table_setup_threads.cc:78
~PFS_index_setup_threads() override=default
PFS_index_setup_threads()
Definition: table_setup_threads.h:58
Definition: table_helper.h:1459
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS.
Definition: table_setup_threads.h:69
pos_t m_next_pos
Next position.
Definition: table_setup_threads.h:111
int make_row(PFS_thread_class *klass)
Definition: table_setup_threads.cc:178
static PFS_engine_table_share m_share
Table share.
Definition: table_setup_threads.h:74
~table_setup_threads() override=default
int update_row_values(TABLE *table, const unsigned char *old_buf, unsigned char *new_buf, Field **fields) override
Update the current row values.
Definition: table_setup_threads.cc:244
PFS_simple_index pos_t
Definition: table_setup_threads.h:70
int index_init(uint idx, bool sorted) override
Definition: table_setup_threads.cc:141
int index_next() override
Find key in index, read record.
Definition: table_setup_threads.cc:152
row_setup_threads m_row
Current row.
Definition: table_setup_threads.h:107
table_setup_threads()
Definition: table_setup_threads.cc:92
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_setup_threads.cc:122
static Plugin_table m_table_def
Table definition.
Definition: table_setup_threads.h:104
PFS_index_setup_threads * m_opened_index
Definition: table_setup_threads.h:113
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_setup_threads.cc:86
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_setup_threads.cc:95
static THR_LOCK m_table_lock
Table share lock.
Definition: table_setup_threads.h:102
pos_t m_pos
Current position.
Definition: table_setup_threads.h:109
static ha_rows get_row_count()
Definition: table_setup_threads.cc:90
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_setup_threads.cc:100
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_setup_threads.cc:184
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
static PFS_engine_table_share_proxy table
Definition: pfs.cc:61
Definition: buf0block_hint.cc:30
Performance schema tables (declarations).
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Information for all instrumentation.
Definition: pfs_instr_class.h:212
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Instrumentation metadata of a thread.
Definition: pfs_instr_class.h:360
Definition: table.h:1405
Definition: thr_lock.h:139
A row of PERFORMANCE_SCHEMA.SETUP_THREADS.
Definition: table_setup_threads.h:51
PFS_thread_class * m_instr_class
Columns NAME, ENABLED, HISTORY, PROPERTIES, VOLATILITY, DOCUMENTATION.
Definition: table_setup_threads.h:53
Helpers to implement a performance schema table.