MySQL 9.1.0
Source Code Documentation
table_setup_consumers.h
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23
24#ifndef TABLE_SETUP_CONSUMERS_H
25#define TABLE_SETUP_CONSUMERS_H
26
27/**
28 @file storage/perfschema/table_setup_consumers.h
29 Table SETUP_CONSUMERS (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "lex_string.h"
35#include "my_base.h"
38
39class Field;
40class Plugin_table;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
49/** A row of PERFORMANCE_SCHEMA.SETUP_CONSUMERS. */
51 /** Column NAME. */
53 /** Column ENABLED. */
55 /** Hidden column, instrument refresh. */
57 /** Hidden column, thread refresh. */
59};
60
62 public:
64
65 ~PFS_index_setup_consumers() override = default;
66
67 virtual bool match(row_setup_consumers *row);
68
69 private:
71};
72
73/** Table PERFORMANCE_SCHEMA.SETUP_CONSUMERS. */
75 public:
76 /** Table share. */
79 static ha_rows get_row_count();
80
81 void reset_position() override;
82
83 int rnd_next() override;
84 int rnd_pos(const void *pos) override;
85
86 int index_init(uint idx, bool sorted) override;
87 int index_next() override;
88
89 protected:
90 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
91 bool read_all) override;
92
93 int update_row_values(TABLE *table, const unsigned char *old_buf,
94 unsigned char *new_buf, Field **fields) override;
96
97 public:
98 ~table_setup_consumers() override = default;
99
100 private:
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:577
Definition: pfs_engine_table.h:301
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_setup_consumers.h:61
virtual bool match(row_setup_consumers *row)
Definition: table_setup_consumers.cc:143
PFS_key_name m_key
Definition: table_setup_consumers.h:70
PFS_index_setup_consumers()
Definition: table_setup_consumers.h:63
~PFS_index_setup_consumers() override=default
Definition: table_helper.h:1569
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.SETUP_CONSUMERS.
Definition: table_setup_consumers.h:74
int index_next() override
Find key in index, read record.
Definition: table_setup_consumers.cc:203
static THR_LOCK m_table_lock
Table share lock.
Definition: table_setup_consumers.h:102
int index_init(uint idx, bool sorted) override
Definition: table_setup_consumers.cc:195
row_setup_consumers * m_row
Current row.
Definition: table_setup_consumers.h:107
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_setup_consumers.cc:166
static ha_rows get_row_count()
Definition: table_setup_consumers.cc:157
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_consumers.cc:245
PFS_index_setup_consumers * m_opened_index
Definition: table_setup_consumers.h:113
~table_setup_consumers() override=default
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_setup_consumers.cc:153
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_setup_consumers.cc:171
static Plugin_table m_table_def
Table definition.
Definition: table_setup_consumers.h:104
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_setup_consumers.cc:188
static PFS_engine_table_share m_share
Table share.
Definition: table_setup_consumers.h:77
PFS_simple_index m_pos
Current position.
Definition: table_setup_consumers.h:109
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_setup_consumers.cc:218
PFS_simple_index m_next_pos
Next position.
Definition: table_setup_consumers.h:111
table_setup_consumers()
Definition: table_setup_consumers.cc:159
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).
Definition: mysql_lex_string.h:40
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:359
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:567
Definition: table.h:1421
Definition: thr_lock.h:139
A row of PERFORMANCE_SCHEMA.SETUP_CONSUMERS.
Definition: table_setup_consumers.h:50
bool m_thread_refresh
Hidden column, thread refresh.
Definition: table_setup_consumers.h:58
LEX_CSTRING m_name
Column NAME.
Definition: table_setup_consumers.h:52
bool * m_enabled_ptr
Column ENABLED.
Definition: table_setup_consumers.h:54
bool m_instrument_refresh
Hidden column, instrument refresh.
Definition: table_setup_consumers.h:56
Helpers to implement a performance schema table.