MySQL 8.0.29
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table_file_summary_by_instance.h
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22
23#ifndef TABLE_FILE_SUMMARY_BY_INSTANCE_H
24#define TABLE_FILE_SUMMARY_BY_INSTANCE_H
25
26/**
27 @file storage/perfschema/table_file_summary_by_instance.h
28 Table FILE_SUMMARY_BY_INSTANCE (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
36
37class Field;
38class Plugin_table;
39struct PFS_file;
40struct TABLE;
41struct THR_LOCK;
42
43/**
44 @addtogroup performance_schema_tables
45 @{
46*/
47
48/** A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE. */
50 /** Column FILE_NAME. */
52 /** Column EVENT_NAME. */
54 /** Column OBJECT_INSTANCE_BEGIN */
55 const void *m_identity;
56 /**
57 Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for READ,
58 WRITE and MISC operation types.
59 */
61};
62
64 public:
66 : PFS_engine_index(key_1) {}
67
69
70 virtual bool match(const PFS_file *pfs) = 0;
71};
72
75 public:
78 m_key("OBJECT_INSTANCE_BEGIN") {}
79
81
82 bool match(const PFS_file *pfs) override;
83
84 private:
86};
87
90 public:
93
95
96 bool match(const PFS_file *pfs) override;
97
98 private:
100};
101
104 public:
107
109
110 bool match(const PFS_file *pfs) override;
111
112 private:
114};
115
116/** Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE. */
118 public:
119 /** Table share */
122 static int delete_all_rows();
123 static ha_rows get_row_count();
124
125 void reset_position(void) override;
126
127 int rnd_next() override;
128 int rnd_pos(const void *pos) override;
129
130 int index_init(uint idx, bool sorted) override;
131 int index_next() override;
132
133 private:
134 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
135 bool read_all) override;
136
138
139 public:
141
142 private:
143 int make_row(PFS_file *pfs);
144
145 /** Table share lock. */
147 /** Table definition. */
149
150 /** Current row. */
152 /** Current position. */
154 /** Next position. */
156
157 protected:
159};
160
161/** @} */
162#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
Definition: pfs_engine_table.h:267
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_file_summary_by_instance.h:103
PFS_key_event_name m_key
Definition: table_file_summary_by_instance.h:113
~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:122
PFS_index_file_summary_by_instance_by_event_name()
Definition: table_file_summary_by_instance.h:105
Definition: table_file_summary_by_instance.h:89
PFS_index_file_summary_by_instance_by_file_name()
Definition: table_file_summary_by_instance.h:91
bool match(const PFS_file *pfs) override
Definition: table_file_summary_by_instance.cc:112
~PFS_index_file_summary_by_instance_by_file_name() override=default
PFS_key_file_name m_key
Definition: table_file_summary_by_instance.h:99
Definition: table_file_summary_by_instance.h:74
bool match(const PFS_file *pfs) override
Definition: table_file_summary_by_instance.cc:102
PFS_index_file_summary_by_instance_by_instance()
Definition: table_file_summary_by_instance.h:76
PFS_key_object_instance m_key
Definition: table_file_summary_by_instance.h:85
~PFS_index_file_summary_by_instance_by_instance() override=default
Definition: table_file_summary_by_instance.h:63
PFS_index_file_summary_by_instance(PFS_engine_key *key_1)
Definition: table_file_summary_by_instance.h:65
virtual bool match(const PFS_file *pfs)=0
~PFS_index_file_summary_by_instance() override=default
Definition: table_helper.h:1431
Definition: table_helper.h:1586
Definition: table_helper.h:1673
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE.
Definition: table_file_summary_by_instance.h:117
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:258
static int delete_all_rows()
Definition: table_file_summary_by_instance.cc:137
static Plugin_table m_table_def
Table definition.
Definition: table_file_summary_by_instance.h:148
int make_row(PFS_file *pfs)
Build a row.
Definition: table_file_summary_by_instance.cc:232
static THR_LOCK m_table_lock
Table share lock.
Definition: table_file_summary_by_instance.h:146
static ha_rows get_row_count()
Definition: table_file_summary_by_instance.cc:142
PFS_index_file_summary_by_instance * m_opened_index
Definition: table_file_summary_by_instance.h:158
PFS_simple_index m_pos
Current position.
Definition: table_file_summary_by_instance.h:153
table_file_summary_by_instance()
Definition: table_file_summary_by_instance.cc:146
~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:170
row_file_summary_by_instance m_row
Current row.
Definition: table_file_summary_by_instance.h:151
static PFS_engine_table_share m_share
Table share.
Definition: table_file_summary_by_instance.h:120
int index_next() override
Find key in index, read record.
Definition: table_file_summary_by_instance.cc:206
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_file_summary_by_instance.cc:132
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_file_summary_by_instance.cc:156
int index_init(uint idx, bool sorted) override
Definition: table_file_summary_by_instance.cc:183
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_file_summary_by_instance.cc:151
PFS_simple_index m_next_pos
Next position.
Definition: table_file_summary_by_instance.h:155
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
Definition: buf0block_hint.cc:29
Performance schema tables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:65
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Row fragment for column EVENT_NAME.
Definition: table_helper.h:596
Row fragment for file I/O statistics columns.
Definition: table_helper.h:1053
Definition: pfs_name.h:283
Instrumented File and FILE implementation.
Definition: pfs_instr.h:176
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Definition: table.h:1394
Definition: thr_lock.h:138
A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_INSTANCE.
Definition: table_file_summary_by_instance.h:49
PFS_file_name m_file_name
Column FILE_NAME.
Definition: table_file_summary_by_instance.h:51
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_file_summary_by_instance.h:53
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:60
const void * m_identity
Column OBJECT_INSTANCE_BEGIN.
Definition: table_file_summary_by_instance.h:55
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29