MySQL 8.0.29
Source Code Documentation
table_replication_applier_filters.h
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1/*
2 Copyright (c) 2016, 2022, Oracle and/or its affiliates.
3
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17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef TABLE_REPLICATION_APPLIER_FILTERS_H
25#define TABLE_REPLICATION_APPLIER_FILTERS_H
26
27/**
28 @file storage/perfschema/table_replication_applier_filters.h
29 Table replication_applier_filters (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
35#include "my_inttypes.h"
36#include "mysql_com.h"
37#include "sql/rpl_filter.h"
38#include "sql/rpl_info.h" /* CHANNEL_NAME_LENGTH*/
39#include "sql_string.h"
41
42class Field;
43class Plugin_table;
44struct TABLE;
45struct THR_LOCK;
46
47/** A row in the table */
49 /* The name of the channel */
52 /*
53 REPLICATE_DO_DB, REPLICATE_IGNORE_DB, REPLICATE_DO_TABLE,
54 REPLICATE_IGNORE_TABLE, REPLICATE_WILD_DO_TABLE,
55 REPLICATE_WILD_IGNORE_TABLE, REPLICATE_REWRITE_DB.
56 */
59 /*
60 The replication filter configured by startup options: --replicate-*,
61 CHANGE REPLICATION FILTER, or DEFAULT_FILTER (every channel copyies
62 global replication filters to its per-channel replication filters
63 if there are no per-channel replication filters and there are global
64 filters on the filter type when it is created).
65 */
67 /*
68 The per-channel replication filters can be configured with the following
69 four states:
70 STARTUP_OPTIONS, //STARTUP_OPTIONS: --REPLICATE-*
71 CHANGE_REPLICATION_FILTER, //CHANGE REPLICATION FILTER filter [, filter...]
72 STARTUP_OPTIONS_FOR_CHANNEL, //STARTUP_OPTIONS: --REPLICATE-* (FOR_CHANNEL)
73 CHANGE_REPLICATION_FILTER_FOR_CHANNEL //CHANGE REPLICATION FILTER filter [,
74 filter...] FOR CHANNEL <channel_name>
75 */
77
78 /* Timestamp of when the configuration took place */
80
81 /* The hit counter of the filter since last configuration. */
83};
84
85/** Table PERFORMANCE_SCHEMA.replication_applier_filters */
88
89 private:
90 /**
91 Make a row by an object of Rpl_pfs_filter.
92
93 @param rpl_pfs_filter a pointer to a Rpl_pfs_filter object.
94 */
95 void make_row(Rpl_pfs_filter *rpl_pfs_filter);
96
97 /** Table share lock. */
99 /** Table definition. */
101
102 /** Current row */
104 /** True is the current row exists. */
106 /** Current position. */
108 /** Next position. */
110
111 protected:
112 /**
113 Read the current row values.
114 @param table Table handle
115 @param buf row buffer
116 @param fields Table fields
117 @param read_all true if all columns are read.
118
119 @retval 0 if HAVE_REPLICATION is defined, else HA_ERR_RECORD_DELETED.
120 */
121 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
122 bool read_all) override;
123
125
126 public:
128
129 /** Table share. */
132 /**
133 Get the table count.
134
135 @retval return the table count.
136 */
137 static ha_rows get_row_count();
138 /**
139 Fetch the next row in this cursor.
140
141 @retval
142 0 Did not reach the end of the table.
143 HA_ERR_END_OF_FILE reached the end of the table.
144 */
145 int rnd_next() override;
146 /**
147 Fetch a row by position.
148
149 @param pos position to fetch
150 */
151 int rnd_pos(const void *pos) override;
152 void reset_position(void) override;
153};
154
155#endif
Definition: field.h:573
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
The class Rpl_pfs_filter is introduced to serve the performance_schema.replication_applier_filters ta...
Definition: rpl_filter.h:166
Using this class is fraught with peril, and you need to be very careful when doing so.
Definition: sql_string.h:166
Table PERFORMANCE_SCHEMA.replication_applier_filters.
Definition: table_replication_applier_filters.h:86
pos_t m_pos
Current position.
Definition: table_replication_applier_filters.h:107
pos_t m_next_pos
Next position.
Definition: table_replication_applier_filters.h:109
bool m_row_exists
True is the current row exists.
Definition: table_replication_applier_filters.h:105
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_replication_applier_filters.cc:134
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_replication_applier_filters.cc:179
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_replication_applier_filters.cc:99
st_row_applier_filters m_row
Current row.
Definition: table_replication_applier_filters.h:103
PFS_simple_index pos_t
Definition: table_replication_applier_filters.h:87
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_replication_applier_filters.cc:85
static Plugin_table m_table_def
Table definition.
Definition: table_replication_applier_filters.h:100
void make_row(Rpl_pfs_filter *rpl_pfs_filter)
Make a row by an object of Rpl_pfs_filter.
Definition: table_replication_applier_filters.cc:152
table_replication_applier_filters()
Definition: table_replication_applier_filters.cc:90
static THR_LOCK m_table_lock
Table share lock.
Definition: table_replication_applier_filters.h:98
static ha_rows get_row_count()
Get the table count.
Definition: table_replication_applier_filters.cc:104
static PFS_engine_table_share m_share
Table share.
Definition: table_replication_applier_filters.h:130
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_replication_applier_filters.cc:112
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
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:55
Common definition between mysql server & client.
#define NAME_LEN
Definition: mysql_com.h:66
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
enum_configured_by
Enum values for CONFIGURED_BY column.
Definition: rpl_filter.h:83
#define CHANNEL_NAME_LENGTH
Definition: rpl_info.h:40
Our own string classes, used pervasively throughout the executor.
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 in the table.
Definition: table_replication_applier_filters.h:48
ulonglong counter
Definition: table_replication_applier_filters.h:82
ulonglong active_since
Definition: table_replication_applier_filters.h:79
enum_configured_by configured_by
Definition: table_replication_applier_filters.h:76
uint filter_name_length
Definition: table_replication_applier_filters.h:58
char channel_name[CHANNEL_NAME_LENGTH]
Definition: table_replication_applier_filters.h:50
String filter_rule
Definition: table_replication_applier_filters.h:66
uint channel_name_length
Definition: table_replication_applier_filters.h:51
char filter_name[NAME_LEN]
Definition: table_replication_applier_filters.h:57
unsigned int uint
Definition: uca-dump.cc:29