MySQL 8.0.29
Source Code Documentation
table_setup_consumers.h
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22
23#ifndef TABLE_SETUP_CONSUMERS_H
24#define TABLE_SETUP_CONSUMERS_H
25
26/**
27 @file storage/perfschema/table_setup_consumers.h
28 Table SETUP_CONSUMERS (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "lex_string.h"
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct TABLE;
41struct THR_LOCK;
42
43/**
44 @addtogroup performance_schema_tables
45 @{
46*/
47
48/** A row of PERFORMANCE_SCHEMA.SETUP_CONSUMERS. */
50 /** Column NAME. */
52 /** Column ENABLED. */
54 /** Hidden column, instrument refresh. */
56 /** Hidden column, thread refresh. */
58};
59
61 public:
63
64 ~PFS_index_setup_consumers() override = default;
65
66 virtual bool match(row_setup_consumers *row);
67
68 private:
70};
71
72/** Table PERFORMANCE_SCHEMA.SETUP_CONSUMERS. */
74 public:
75 /** Table share. */
78 static ha_rows get_row_count();
79
80 void reset_position(void) override;
81
82 int rnd_next() override;
83 int rnd_pos(const void *pos) override;
84
85 int index_init(uint idx, bool sorted) override;
86 int index_next() override;
87
88 protected:
89 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
90 bool read_all) override;
91
92 int update_row_values(TABLE *table, const unsigned char *old_buf,
93 unsigned char *new_buf, Field **fields) override;
95
96 public:
97 ~table_setup_consumers() override = default;
98
99 private:
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_consumers.h:60
virtual bool match(row_setup_consumers *row)
Definition: table_setup_consumers.cc:141
PFS_key_name m_key
Definition: table_setup_consumers.h:69
PFS_index_setup_consumers()
Definition: table_setup_consumers.h:62
~PFS_index_setup_consumers() override=default
Definition: table_helper.h:1508
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.SETUP_CONSUMERS.
Definition: table_setup_consumers.h:73
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:101
int index_init(uint idx, bool sorted) override
Definition: table_setup_consumers.cc:194
row_setup_consumers * m_row
Current row.
Definition: table_setup_consumers.h:106
static ha_rows get_row_count()
Definition: table_setup_consumers.cc:155
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:112
~table_setup_consumers() override=default
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_setup_consumers.cc:151
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_setup_consumers.cc:170
static Plugin_table m_table_def
Table definition.
Definition: table_setup_consumers.h:103
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_setup_consumers.cc:187
static PFS_engine_table_share m_share
Table share.
Definition: table_setup_consumers.h:76
PFS_simple_index m_pos
Current position.
Definition: table_setup_consumers.h:108
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
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_setup_consumers.cc:165
PFS_simple_index m_next_pos
Next position.
Definition: table_setup_consumers.h:110
table_setup_consumers()
Definition: table_setup_consumers.cc:159
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).
Definition: mysql_lex_string.h:39
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Definition: table.h:1394
Definition: thr_lock.h:138
A row of PERFORMANCE_SCHEMA.SETUP_CONSUMERS.
Definition: table_setup_consumers.h:49
bool m_thread_refresh
Hidden column, thread refresh.
Definition: table_setup_consumers.h:57
LEX_CSTRING m_name
Column NAME.
Definition: table_setup_consumers.h:51
bool * m_enabled_ptr
Column ENABLED.
Definition: table_setup_consumers.h:53
bool m_instrument_refresh
Hidden column, instrument refresh.
Definition: table_setup_consumers.h:55
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29