MySQL 8.0.31
Source Code Documentation
table_binary_log_transaction_compression_stats.h
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1/*
2 Copyright (c) 2019, 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
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22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef TABLE_BINARY_LOG_TRANSACTION_COMPRESSION_STATS_H
25#define TABLE_BINARY_LOG_TRANSACTION_COMPRESSION_STATS_H
26
27/**
28 @file storage/perfschema/table_binary_log_transaction_compression_stats.h
29 Table table_binary_log_transaction_compression_stats (declarations).
30*/
31
32#include <stddef.h>
33#include <sys/types.h>
34#include <string>
35
36#include "my_base.h"
37#include "my_inttypes.h"
38#include "mysql_com.h"
39#include "sql/rpl_gtid.h"
40#include "sql/rpl_info.h"
41#include "sql/sql_const.h" // UUID_LENGTH
43
44class Field;
45class Plugin_table;
46struct TABLE;
47struct THR_LOCK;
48
49/**
50 @addtogroup performance_schema_tables
51 @{
52*/
53
54/** Table PERFORMANCE_SCHEMA.BINARY_LOG_TRANSACTION_COMPRESSION_STATS. */
57
58 private:
59 int make_row();
60
61 /** Table share lock. */
63 /** Table definition. */
65
66 /** Current position. */
68 /** Next position. */
70
71 protected:
72 /**
73 Read the current row values.
74 @param table Table handle
75 @param buf row buffer
76 @param fields Table fields
77 @param read_all true if all columns are read.
78 */
79
80 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
81 bool read_all) override;
82
84
85 public:
87
88 /** Table share. */
91 static ha_rows get_row_count();
92 static int delete_all_rows();
93 int rnd_next() override;
94 int rnd_pos(const void *pos) override;
95 void reset_position(void) override;
96};
97
98/** @} */
99#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.BINARY_LOG_TRANSACTION_COMPRESSION_STATS.
Definition: table_binary_log_transaction_compression_stats.h:55
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_binary_log_transaction_compression_stats.cc:185
static int delete_all_rows()
Definition: table_binary_log_transaction_compression_stats.cc:169
pos_t m_pos
Current position.
Definition: table_binary_log_transaction_compression_stats.h:67
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_binary_log_transaction_compression_stats.cc:174
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_binary_log_transaction_compression_stats.cc:195
table_binary_log_transaction_compression_stats()
Definition: table_binary_log_transaction_compression_stats.cc:154
static THR_LOCK m_table_lock
Table share lock.
Definition: table_binary_log_transaction_compression_stats.h:62
static PFS_engine_table_share m_share
Table share.
Definition: table_binary_log_transaction_compression_stats.h:89
pos_t m_next_pos
Next position.
Definition: table_binary_log_transaction_compression_stats.h:69
PFS_simple_index pos_t
Definition: table_binary_log_transaction_compression_stats.h:56
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_binary_log_transaction_compression_stats.cc:160
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_binary_log_transaction_compression_stats.cc:148
static Plugin_table m_table_def
Table definition.
Definition: table_binary_log_transaction_compression_stats.h:64
static ha_rows get_row_count()
Definition: table_binary_log_transaction_compression_stats.cc:165
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.
Common definition between mysql server & client.
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
File containing constants that can be used throughout the server.
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