MySQL 8.0.29
Source Code Documentation
table_setup_threads.h
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22
23#ifndef TABLE_SETUP_THREADS_H
24#define TABLE_SETUP_THREADS_H
25
26/**
27 @file storage/perfschema/table_setup_threads.h
28 Table SETUP_THREADS (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_thread_class;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
49/** A row of PERFORMANCE_SCHEMA.SETUP_THREADS. */
51 /** Columns NAME, ENABLED, HISTORY, PROPERTIES, VOLATILITY, DOCUMENTATION. */
53};
54
56 public:
58
59 ~PFS_index_setup_threads() override = default;
60
61 bool match(PFS_instr_class *klass);
62
63 private:
65};
66
67/** Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */
70
71 public:
72 /** Table share. */
75 static ha_rows get_row_count();
76
77 void reset_position(void) override;
78
79 int rnd_next() override;
80 int rnd_pos(const void *pos) override;
81
82 int index_init(uint idx, bool sorted) override;
83 int index_next() override;
84
85 protected:
86 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
87 bool read_all) override;
88
89 int update_row_values(TABLE *table, const unsigned char *old_buf,
90 unsigned char *new_buf, Field **fields) override;
91
93
94 public:
95 ~table_setup_threads() override = default;
96
97 private:
98 int make_row(PFS_thread_class *klass);
99
100 /** Table share lock. */
102 /** Table definition. */
104
105 /** Current row. */
107 /** Current position. */
109 /** Next position. */
111
113};
114
115/** @} */
116#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_setup_threads.h:55
PFS_key_event_name m_key
Definition: table_setup_threads.h:64
bool match(PFS_instr_class *klass)
Definition: table_setup_threads.cc:77
~PFS_index_setup_threads() override=default
PFS_index_setup_threads()
Definition: table_setup_threads.h:57
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.SETUP_INSTRUMENTS.
Definition: table_setup_threads.h:68
pos_t m_next_pos
Next position.
Definition: table_setup_threads.h:110
int make_row(PFS_thread_class *klass)
Definition: table_setup_threads.cc:177
static PFS_engine_table_share m_share
Table share.
Definition: table_setup_threads.h:73
~table_setup_threads() override=default
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_setup_threads.cc:94
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:243
PFS_simple_index pos_t
Definition: table_setup_threads.h:69
int index_init(uint idx, bool sorted) override
Definition: table_setup_threads.cc:140
int index_next() override
Find key in index, read record.
Definition: table_setup_threads.cc:151
row_setup_threads m_row
Current row.
Definition: table_setup_threads.h:106
table_setup_threads()
Definition: table_setup_threads.cc:91
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_setup_threads.cc:121
static Plugin_table m_table_def
Table definition.
Definition: table_setup_threads.h:103
PFS_index_setup_threads * m_opened_index
Definition: table_setup_threads.h:112
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_setup_threads.cc:85
static THR_LOCK m_table_lock
Table share lock.
Definition: table_setup_threads.h:101
pos_t m_pos
Current position.
Definition: table_setup_threads.h:108
static ha_rows get_row_count()
Definition: table_setup_threads.cc:89
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_setup_threads.cc:99
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:183
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
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 of a thread.
Definition: pfs_instr_class.h:331
Definition: table.h:1394
Definition: thr_lock.h:138
A row of PERFORMANCE_SCHEMA.SETUP_THREADS.
Definition: table_setup_threads.h:50
PFS_thread_class * m_instr_class
Columns NAME, ENABLED, HISTORY, PROPERTIES, VOLATILITY, DOCUMENTATION.
Definition: table_setup_threads.h:52
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29