MySQL 9.0.0
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table_file_summary_by_event_name.h
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23
24#ifndef TABLE_FILE_SUMMARY_H
25#define TABLE_FILE_SUMMARY_H
26
27/**
28 @file storage/perfschema/table_file_summary_by_event_name.h
29 Table FILE_SUMMARY_BY_EVENT_NAME (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct PFS_file_class;
41struct TABLE;
42struct THR_LOCK;
43
44/**
45 @addtogroup performance_schema_tables
46 @{
47*/
48
49/** A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME. */
51 /** Column EVENT_NAME. */
53
54 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES
55 for READ, WRITE and MISC operation types.
56 */
58};
59
61 public:
63 : PFS_engine_index(&m_key), m_key("EVENT_NAME") {}
64
66
67 bool match(const PFS_file_class *pfs);
68
69 private:
71};
72
73/** Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME. */
75 public:
76 /** Table share */
79 static int delete_all_rows();
80 static ha_rows get_row_count();
81
82 void reset_position() override;
83
84 int rnd_next() override;
85 int rnd_pos(const void *pos) override;
86
87 int index_init(uint idx, bool sorted) override;
88 int index_next() override;
89
90 private:
91 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
92 bool read_all) override;
93
95
96 public:
98
99 private:
100 int make_row(PFS_file_class *file_class);
101
102 /** Table share lock. */
104 /** Table definition. */
106
107 /** Current row. */
109 /** Current position. */
111 /** Next position. */
113
114 protected:
116};
117
118/** @} */
119#endif
Definition: field.h:577
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_file_summary_by_event_name.h:60
PFS_key_event_name m_key
Definition: table_file_summary_by_event_name.h:70
~PFS_index_file_summary_by_event_name() override=default
PFS_index_file_summary_by_event_name()
Definition: table_file_summary_by_event_name.h:62
bool match(const PFS_file_class *pfs)
Definition: table_file_summary_by_event_name.cc:97
Definition: table_helper.h:1461
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_EVENT_NAME.
Definition: table_file_summary_by_event_name.h:74
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_file_summary_by_event_name.cc:106
static PFS_engine_table_share m_share
Table share.
Definition: table_file_summary_by_event_name.h:77
table_file_summary_by_event_name()
Definition: table_file_summary_by_event_name.cc:121
static ha_rows get_row_count()
Definition: table_file_summary_by_event_name.cc:117
static THR_LOCK m_table_lock
Table share lock.
Definition: table_file_summary_by_event_name.h:103
int make_row(PFS_file_class *file_class)
Build a row.
Definition: table_file_summary_by_event_name.cc:197
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_file_summary_by_event_name.cc:148
PFS_index_file_summary_by_event_name * m_opened_index
Definition: table_file_summary_by_event_name.h:115
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_file_summary_by_event_name.cc:129
int index_next() override
Find key in index, read record.
Definition: table_file_summary_by_event_name.cc:171
PFS_simple_index m_next_pos
Next position.
Definition: table_file_summary_by_event_name.h:112
row_file_summary_by_event_name m_row
Current row.
Definition: table_file_summary_by_event_name.h:108
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_event_name.cc:209
int index_init(uint idx, bool sorted) override
Definition: table_file_summary_by_event_name.cc:162
static Plugin_table m_table_def
Table definition.
Definition: table_file_summary_by_event_name.h:105
PFS_simple_index m_pos
Current position.
Definition: table_file_summary_by_event_name.h:110
~table_file_summary_by_event_name() override=default
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_file_summary_by_event_name.cc:134
static int delete_all_rows()
Definition: table_file_summary_by_event_name.cc:111
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
Instrumentation metadata for a file.
Definition: pfs_instr_class.h:587
Row fragment for file I/O statistics columns.
Definition: table_helper.h:1069
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:566
Definition: table.h:1407
Definition: thr_lock.h:139
A row of PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME.
Definition: table_file_summary_by_event_name.h:50
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_event_name.h:57
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_file_summary_by_event_name.h:52
Helpers to implement a performance schema table.