MySQL 8.0.29
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table_socket_summary_by_event_name.h
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22
23#ifndef TABLE_SOCKET_SUMMARY_BY_EVENT_NAME_H
24#define TABLE_SOCKET_SUMMARY_BY_EVENT_NAME_H
25
26/**
27 @file storage/perfschema/table_socket_summary_by_event_name.h
28 Table SOCKET_SUMMARY_BY_EVENT_NAME (declarations).
29*/
30
31#include <sys/types.h>
32
33#include "my_base.h"
36
37class Field;
38class Plugin_table;
39struct PFS_socket_class;
40struct TABLE;
41struct THR_LOCK;
42
43/**
44 @addtogroup performance_schema_tables
45 @{
46*/
47
48/**
49 A row of table
50 PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
51*/
53 /** Column EVENT_NAME. */
55
56 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each
57 * operation. */
59};
60
62 public:
64 : PFS_engine_index(&m_key), m_key("EVENT_NAME") {}
65
67
68 bool match(const PFS_socket_class *pfs);
69
70 private:
72};
73
74/** Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME. */
76 public:
77 /** Table share */
80 static int delete_all_rows();
81 static ha_rows get_row_count();
82
83 void reset_position(void) override;
84
85 int rnd_next() override;
86 int rnd_pos(const void *pos) override;
87
88 int index_init(uint idx, bool sorted) override;
89 int index_next() override;
90
91 private:
92 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
93 bool read_all) override;
94
96
97 public:
99
100 private:
101 int make_row(PFS_socket_class *socket_class);
102
103 /** Table share lock. */
105 /** Table definition. */
107
108 /** Current row. */
110 /** Current position. */
112 /** Next position. */
114
115 protected:
117};
118
119/** @} */
120#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_socket_summary_by_event_name.h:61
bool match(const PFS_socket_class *pfs)
Definition: table_socket_summary_by_event_name.cc:95
PFS_key_event_name m_key
Definition: table_socket_summary_by_event_name.h:71
~PFS_index_socket_summary_by_event_name() override=default
PFS_index_socket_summary_by_event_name()
Definition: table_socket_summary_by_event_name.h:63
Definition: table_helper.h:1431
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:75
row_socket_summary_by_event_name m_row
Current row.
Definition: table_socket_summary_by_event_name.h:109
static PFS_engine_table_share m_share
Table share.
Definition: table_socket_summary_by_event_name.h:78
static int delete_all_rows()
Definition: table_socket_summary_by_event_name.cc:115
int index_next() override
Find key in index, read record.
Definition: table_socket_summary_by_event_name.cc:167
PFS_simple_index m_next_pos
Next position.
Definition: table_socket_summary_by_event_name.h:113
table_socket_summary_by_event_name()
Definition: table_socket_summary_by_event_name.cc:110
int index_init(uint idx, bool sorted) override
Definition: table_socket_summary_by_event_name.cc:157
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_socket_summary_by_event_name.cc:125
static ha_rows get_row_count()
Definition: table_socket_summary_by_event_name.cc:121
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_socket_summary_by_event_name.cc:130
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_socket_summary_by_event_name.cc:201
static THR_LOCK m_table_lock
Table share lock.
Definition: table_socket_summary_by_event_name.h:104
PFS_simple_index m_pos
Current position.
Definition: table_socket_summary_by_event_name.h:111
int make_row(PFS_socket_class *socket_class)
Definition: table_socket_summary_by_event_name.cc:188
PFS_index_socket_summary_by_event_name * m_opened_index
Definition: table_socket_summary_by_event_name.h:116
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_socket_summary_by_event_name.cc:105
static Plugin_table m_table_def
Table definition.
Definition: table_socket_summary_by_event_name.h:106
~table_socket_summary_by_event_name() override=default
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_socket_summary_by_event_name.cc:144
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
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:558
Instrumentation metadata for a socket.
Definition: pfs_instr_class.h:547
Row fragment for socket I/O statistics columns.
Definition: table_helper.h:1030
Definition: table.h:1394
Definition: thr_lock.h:138
A row of table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:52
PFS_event_name_row m_event_name
Column EVENT_NAME.
Definition: table_socket_summary_by_event_name.h:54
PFS_socket_io_stat_row m_io_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each operation.
Definition: table_socket_summary_by_event_name.h:58
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29