MySQL 8.0.31
Source Code Documentation
table_replication_group_members.h
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1/*
2 Copyright (c) 2013, 2022, Oracle and/or its affiliates.
3
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16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
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22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef TABLE_REPLICATION_GROUP_MEMBERS_H
25#define TABLE_REPLICATION_GROUP_MEMBERS_H
26
27/**
28 @file storage/perfschema/table_replication_group_members.h
29 Table replication_group_members (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
35#include "my_hostname.h" // HOSTNAME_LENGTH
36#include "mysql_com.h"
37#include "sql/rpl_info.h"
38#include "sql/sql_const.h" // UUID_LENGTH
40
41class Field;
42class Plugin_table;
43struct TABLE;
44struct THR_LOCK;
45
46/**
47 @addtogroup performance_schema_tables
48 @{
49*/
50
51/**
52 A row in connection nodes table. The fields with string values have an
53 additional
54 length field denoted by @<field_name@>_length.
55*/
72};
73
74/** Table PERFORMANCE_SCHEMA.replication_group_members. */
77
78 private:
79 int make_row(uint index);
80
81 /** Table share lock. */
83 /** Table definition. */
85
86 /** Current row */
88 /** Current position. */
90 /** Next position. */
92
93 protected:
94 /**
95 Read the current row values.
96 @param table Table handle
97 @param buf row buffer
98 @param fields Table fields
99 @param read_all true if all columns are read.
100 */
101
102 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
103 bool read_all) override;
104
106
107 public:
109
110 /** Table share. */
113 static ha_rows get_row_count();
114 int rnd_next() override;
115 int rnd_pos(const void *pos) override;
116 void reset_position(void) override;
117};
118
119/** @} */
120#endif
Definition: field.h:574
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.replication_group_members.
Definition: table_replication_group_members.h:75
static PFS_engine_table_share m_share
Table share.
Definition: table_replication_group_members.h:111
table_replication_group_members()
Definition: table_replication_group_members.cc:175
static Plugin_table m_table_def
Table definition.
Definition: table_replication_group_members.h:84
pos_t m_pos
Current position.
Definition: table_replication_group_members.h:89
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_replication_group_members.cc:170
st_row_group_members m_row
Current row.
Definition: table_replication_group_members.h:87
static THR_LOCK m_table_lock
Table share lock.
Definition: table_replication_group_members.h:82
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_replication_group_members.cc:180
PFS_simple_index pos_t
Definition: table_replication_group_members.h:76
pos_t m_next_pos
Next position.
Definition: table_replication_group_members.h:91
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_replication_group_members.cc:241
static ha_rows get_row_count()
Definition: table_replication_group_members.cc:185
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_replication_group_members.cc:203
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_replication_group_members.cc:189
int make_row(uint index)
Definition: table_replication_group_members.cc:213
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
Common definition used by mysys, performance schema and server & client.
static constexpr int HOSTNAME_LENGTH
Definition: my_hostname.h:42
Common definition between mysql server & client.
#define NAME_LEN
Definition: mysql_com.h:66
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
#define CHANNEL_NAME_LENGTH
Definition: rpl_info.h:40
File containing constants that can be used throughout the server.
constexpr const size_t UUID_LENGTH
Definition: sql_const.h:263
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:1396
Definition: thr_lock.h:138
A row in connection nodes table.
Definition: table_replication_group_members.h:56
char channel_name[CHANNEL_NAME_LENGTH]
Definition: table_replication_group_members.h:57
uint channel_name_length
Definition: table_replication_group_members.h:58
char member_version[NAME_LEN]
Definition: table_replication_group_members.h:68
char member_id[UUID_LENGTH]
Definition: table_replication_group_members.h:59
uint member_state_length
Definition: table_replication_group_members.h:65
uint member_port
Definition: table_replication_group_members.h:63
uint member_version_length
Definition: table_replication_group_members.h:69
uint member_host_length
Definition: table_replication_group_members.h:62
uint member_id_length
Definition: table_replication_group_members.h:60
char member_communication_stack[NAME_LEN]
Definition: table_replication_group_members.h:70
char member_host[HOSTNAME_LENGTH]
Definition: table_replication_group_members.h:61
char member_state[NAME_LEN]
Definition: table_replication_group_members.h:64
char member_role[NAME_LEN]
Definition: table_replication_group_members.h:66
uint member_communication_stack_length
Definition: table_replication_group_members.h:71
uint member_role_length
Definition: table_replication_group_members.h:67
unsigned int uint
Definition: uca-dump.cc:29