MySQL 8.4.0
Source Code Documentation
table_binary_log_transaction_compression_stats.h
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1/*
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3
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24
25#ifndef TABLE_BINARY_LOG_TRANSACTION_COMPRESSION_STATS_H
26#define TABLE_BINARY_LOG_TRANSACTION_COMPRESSION_STATS_H
27
28/**
29 @file storage/perfschema/table_binary_log_transaction_compression_stats.h
30 Table table_binary_log_transaction_compression_stats (declarations).
31*/
32
33#include <stddef.h>
34#include <sys/types.h>
35#include <string>
36
37#include "my_base.h"
38#include "my_inttypes.h"
39#include "mysql_com.h"
40#include "sql/rpl_gtid.h"
41#include "sql/rpl_info.h"
42#include "sql/sql_const.h" // UUID_LENGTH
44
45class Field;
46class Plugin_table;
47struct TABLE;
48struct THR_LOCK;
49
50/**
51 @addtogroup performance_schema_tables
52 @{
53*/
54
55/** Table PERFORMANCE_SCHEMA.BINARY_LOG_TRANSACTION_COMPRESSION_STATS. */
58
59 private:
60 int make_row();
61
62 /** Table share lock. */
64 /** Table definition. */
66
67 /** Current position. */
69 /** Next position. */
71
72 protected:
73 /**
74 Read the current row values.
75 @param table Table handle
76 @param buf row buffer
77 @param fields Table fields
78 @param read_all true if all columns are read.
79 */
80
81 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
82 bool read_all) override;
83
85
86 public:
88
89 /** Table share. */
92 static ha_rows get_row_count();
93 static int delete_all_rows();
94 int rnd_next() override;
95 int rnd_pos(const void *pos) override;
96 void reset_position() override;
97};
98
99/** @} */
100#endif
Definition: field.h:575
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.BINARY_LOG_TRANSACTION_COMPRESSION_STATS.
Definition: table_binary_log_transaction_compression_stats.h:56
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_binary_log_transaction_compression_stats.cc:186
static int delete_all_rows()
Definition: table_binary_log_transaction_compression_stats.cc:170
pos_t m_pos
Current position.
Definition: table_binary_log_transaction_compression_stats.h:68
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_binary_log_transaction_compression_stats.cc:175
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:196
table_binary_log_transaction_compression_stats()
Definition: table_binary_log_transaction_compression_stats.cc:155
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_binary_log_transaction_compression_stats.cc:161
static THR_LOCK m_table_lock
Table share lock.
Definition: table_binary_log_transaction_compression_stats.h:63
static PFS_engine_table_share m_share
Table share.
Definition: table_binary_log_transaction_compression_stats.h:90
pos_t m_next_pos
Next position.
Definition: table_binary_log_transaction_compression_stats.h:70
PFS_simple_index pos_t
Definition: table_binary_log_transaction_compression_stats.h:57
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_binary_log_transaction_compression_stats.cc:149
static Plugin_table m_table_def
Table definition.
Definition: table_binary_log_transaction_compression_stats.h:65
static ha_rows get_row_count()
Definition: table_binary_log_transaction_compression_stats.cc:166
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
Some integer typedefs for easier portability.
Common definition between mysql server & client.
static PFS_engine_table_share_proxy table
Definition: pfs.cc:61
Definition: buf0block_hint.cc:30
Performance schema tables (declarations).
File containing constants that can be used throughout the server.
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Definition: table.h:1405
Definition: thr_lock.h:139