MySQL 8.4.0
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table_file_summary_by_instance.h
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23
24#ifndef TABLE_FILE_SUMMARY_BY_INSTANCE_H
25#define TABLE_FILE_SUMMARY_BY_INSTANCE_H
26
27/**
28 @file storage/perfschema/table_file_summary_by_instance.h
29 Table FILE_SUMMARY_BY_INSTANCE (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct PFS_file;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
49/** A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE. */
51 /** Column FILE_NAME. */
53 /** Column EVENT_NAME. */
55 /** Column OBJECT_INSTANCE_BEGIN */
56 const void *m_identity;
57 /**
58 Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for READ,
59 WRITE and MISC operation types.
60 */
62};
63
65 public:
67 : PFS_engine_index(key_1) {}
68
70
71 virtual bool match(const PFS_file *pfs) = 0;
72};
73
76 public:
79 m_key("OBJECT_INSTANCE_BEGIN") {}
80
82
83 bool match(const PFS_file *pfs) override;
84
85 private:
87};
88
91 public:
94
96
97 bool match(const PFS_file *pfs) override;
98
99 private:
101};
102
105 public:
108
110
111 bool match(const PFS_file *pfs) override;
112
113 private:
115};
116
117/** Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE. */
119 public:
120 /** Table share */
123 static int delete_all_rows();
124 static ha_rows get_row_count();
125
126 void reset_position() override;
127
128 int rnd_next() override;
129 int rnd_pos(const void *pos) override;
130
131 int index_init(uint idx, bool sorted) override;
132 int index_next() override;
133
134 private:
135 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
136 bool read_all) override;
137
139
140 public:
142
143 private:
144 int make_row(PFS_file *pfs);
145
146 /** Table share lock. */
148 /** Table definition. */
150
151 /** Current row. */
153 /** Current position. */
155 /** Next position. */
157
158 protected:
160};
161
162/** @} */
163#endif
Definition: field.h:575
Definition: pfs_engine_table.h:300
Definition: pfs_engine_table.h:268
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_file_summary_by_instance.h:104
PFS_key_event_name m_key
Definition: table_file_summary_by_instance.h:114
~PFS_index_file_summary_by_instance_by_event_name() override=default
bool match(const PFS_file *pfs) override
Definition: table_file_summary_by_instance.cc:123
PFS_index_file_summary_by_instance_by_event_name()
Definition: table_file_summary_by_instance.h:106
Definition: table_file_summary_by_instance.h:90
PFS_index_file_summary_by_instance_by_file_name()
Definition: table_file_summary_by_instance.h:92
bool match(const PFS_file *pfs) override
Definition: table_file_summary_by_instance.cc:113
~PFS_index_file_summary_by_instance_by_file_name() override=default
PFS_key_file_name m_key
Definition: table_file_summary_by_instance.h:100
Definition: table_file_summary_by_instance.h:75
bool match(const PFS_file *pfs) override
Definition: table_file_summary_by_instance.cc:103
PFS_index_file_summary_by_instance_by_instance()
Definition: table_file_summary_by_instance.h:77
PFS_key_object_instance m_key
Definition: table_file_summary_by_instance.h:86
~PFS_index_file_summary_by_instance_by_instance() override=default
Definition: table_file_summary_by_instance.h:64
PFS_index_file_summary_by_instance(PFS_engine_key *key_1)
Definition: table_file_summary_by_instance.h:66
virtual bool match(const PFS_file *pfs)=0
~PFS_index_file_summary_by_instance() override=default
Definition: table_helper.h:1459
Definition: table_helper.h:1632
Definition: table_helper.h:1719
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE.
Definition: table_file_summary_by_instance.h:118
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_file_summary_by_instance.cc:259
static int delete_all_rows()
Definition: table_file_summary_by_instance.cc:138
static Plugin_table m_table_def
Table definition.
Definition: table_file_summary_by_instance.h:149
int make_row(PFS_file *pfs)
Build a row.
Definition: table_file_summary_by_instance.cc:233
static THR_LOCK m_table_lock
Table share lock.
Definition: table_file_summary_by_instance.h:147
static ha_rows get_row_count()
Definition: table_file_summary_by_instance.cc:143
PFS_index_file_summary_by_instance * m_opened_index
Definition: table_file_summary_by_instance.h:159
PFS_simple_index m_pos
Current position.
Definition: table_file_summary_by_instance.h:154
table_file_summary_by_instance()
Definition: table_file_summary_by_instance.cc:147
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_file_summary_by_instance.cc:152
~table_file_summary_by_instance() override=default
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_file_summary_by_instance.cc:171
row_file_summary_by_instance m_row
Current row.
Definition: table_file_summary_by_instance.h:152
static PFS_engine_table_share m_share
Table share.
Definition: table_file_summary_by_instance.h:121
int index_next() override
Find key in index, read record.
Definition: table_file_summary_by_instance.cc:207
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_file_summary_by_instance.cc:133
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_file_summary_by_instance.cc:157
int index_init(uint idx, bool sorted) override
Definition: table_file_summary_by_instance.cc:184
PFS_simple_index m_next_pos
Next position.
Definition: table_file_summary_by_instance.h:156
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
static PFS_engine_table_share_proxy table
Definition: pfs.cc:61
Definition: buf0block_hint.cc:30
Performance schema tables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:66
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Row fragment for column EVENT_NAME.
Definition: table_helper.h:583
Row fragment for file I/O statistics columns.
Definition: table_helper.h:1069
Definition: pfs_name.h:604
Instrumented File and FILE implementation.
Definition: pfs_instr.h:179
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Definition: table.h:1405
Definition: thr_lock.h:139
A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE.
Definition: table_file_summary_by_instance.h:50
PFS_file_name m_file_name
Column FILE_NAME.
Definition: table_file_summary_by_instance.h:52
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_file_summary_by_instance.h:54
PFS_file_io_stat_row m_io_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for READ, WRITE and MISC operation type...
Definition: table_file_summary_by_instance.h:61
const void * m_identity
Column OBJECT_INSTANCE_BEGIN.
Definition: table_file_summary_by_instance.h:56
Helpers to implement a performance schema table.