MySQL 8.4.0
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table_ees_by_user_by_error.h
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23
24#ifndef TABLE_EES_BY_USER_BY_ERROR_H
25#define TABLE_EES_BY_USER_BY_ERROR_H
26
27/**
28 @file storage/perfschema/table_ees_by_user_by_error.h
29 Table EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
38
39class Field;
40class Plugin_table;
41struct PFS_user;
42struct TABLE;
43struct THR_LOCK;
44
45/**
46 @addtogroup Performance_schema_tables
47 @{
48*/
49
51 public:
54 m_key_1("USER"),
55 m_key_2("ERROR_NUMBER") {}
56
57 ~PFS_index_ees_by_user_by_error() override = default;
58
59 virtual bool match(PFS_user *pfs);
60 virtual bool match_error_index(uint error_index);
61
62 private:
65};
66
67/**
68 A row of table
69 PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR.
70*/
72 /** Column USER */
74 /** Columns ERROR_NUMBER, ERROR_NAME, COUNT_STAR. */
76};
77
78/**
79 Position of a cursor on
80 PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR.
81 Index 1 on user (0 based)
82 Index 3 on error (0 based)
83*/
86
87 inline void reset() {
88 m_index_1 = 0;
89 m_index_2 = 0;
90 }
91
92 inline void next_user() {
93 m_index_1++;
94 m_index_2 = 0;
95 }
96
97 inline bool has_more_error() {
99 }
100
101 inline void next_error() { m_index_2++; }
102};
103
104/** Table PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR. */
106 public:
107 /** Table share */
110 static int delete_all_rows();
111 static ha_rows get_row_count();
112
113 void reset_position() override;
114
115 int rnd_init(bool scan) override;
116 int rnd_next() override;
117 int rnd_pos(const void *pos) override;
118
119 int index_init(uint idx, bool sorted) override;
120 int index_next() override;
121
122 protected:
123 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
124 bool read_all) override;
125
127
128 public:
129 ~table_ees_by_user_by_error() override = default;
130
131 protected:
132 int make_row(PFS_user *user, int error_index);
133
134 private:
135 /** Table share lock. */
137 /** Table definition. */
139
140 /** Current row. */
142 /** Current position. */
144 /** Next position. */
146
148};
149
150/** @} */
151#endif
Definition: field.h:575
Definition: pfs_engine_table.h:300
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Definition: table_ees_by_user_by_error.h:50
virtual bool match(PFS_user *pfs)
Definition: table_ees_by_user_by_error.cc:83
~PFS_index_ees_by_user_by_error() override=default
PFS_key_error_number m_key_2
Definition: table_ees_by_user_by_error.h:64
PFS_key_user m_key_1
Definition: table_ees_by_user_by_error.h:63
virtual bool match_error_index(uint error_index)
Definition: table_ees_by_user_by_error.cc:92
PFS_index_ees_by_user_by_error()
Definition: table_ees_by_user_by_error.h:52
Definition: table_helper.h:1380
Definition: table_helper.h:1492
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR.
Definition: table_ees_by_user_by_error.h:105
pos_ees_by_user_by_error m_pos
Current position.
Definition: table_ees_by_user_by_error.h:143
static THR_LOCK m_table_lock
Table share lock.
Definition: table_ees_by_user_by_error.h:136
static ha_rows get_row_count()
Definition: table_ees_by_user_by_error.cc:112
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_ees_by_user_by_error.cc:101
PFS_index_ees_by_user_by_error * m_opened_index
Definition: table_ees_by_user_by_error.h:147
pos_ees_by_user_by_error m_next_pos
Next position.
Definition: table_ees_by_user_by_error.h:145
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_ees_by_user_by_error.cc:125
table_ees_by_user_by_error()
Definition: table_ees_by_user_by_error.cc:117
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_ees_by_user_by_error.cc:146
static Plugin_table m_table_def
Table definition.
Definition: table_ees_by_user_by_error.h:138
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_ees_by_user_by_error.cc:127
int index_init(uint idx, bool sorted) override
Definition: table_ees_by_user_by_error.cc:163
~table_ees_by_user_by_error() override=default
int index_next() override
Find key in index, read record.
Definition: table_ees_by_user_by_error.cc:172
static int delete_all_rows()
Definition: table_ees_by_user_by_error.cc:105
static PFS_engine_table_share m_share
Table share.
Definition: table_ees_by_user_by_error.h:108
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_ees_by_user_by_error.cc:220
row_ees_by_user_by_error m_row
Current row.
Definition: table_ees_by_user_by_error.h:141
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_ees_by_user_by_error.cc:120
int make_row(PFS_user *user, int error_index)
Definition: table_ees_by_user_by_error.cc:195
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1141
char * user
Definition: mysqladmin.cc:66
static PFS_engine_table_share_proxy table
Definition: pfs.cc:61
Definition: buf0block_hint.cc:30
Performance schema tables (declarations).
uint max_session_server_errors
Definition: pfs_error.cc:43
server error instrument data structures (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:66
Position of a double cursor, for iterations using 2 nested loops.
Definition: pfs_engine_table.h:593
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:595
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:597
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Row fragment for error statistics columns.
Definition: table_helper.h:1007
Row fragment for column USER.
Definition: table_helper.h:540
Per user statistics.
Definition: pfs_user.h:63
Definition: table.h:1405
Definition: thr_lock.h:139
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR.
Definition: table_ees_by_user_by_error.h:84
void reset()
Definition: table_ees_by_user_by_error.h:87
pos_ees_by_user_by_error()
Definition: table_ees_by_user_by_error.h:85
void next_user()
Definition: table_ees_by_user_by_error.h:92
void next_error()
Definition: table_ees_by_user_by_error.h:101
bool has_more_error()
Definition: table_ees_by_user_by_error.h:97
A row of table PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_USER_BY_ERROR.
Definition: table_ees_by_user_by_error.h:71
PFS_user_row m_user
Column USER.
Definition: table_ees_by_user_by_error.h:73
PFS_error_stat_row m_stat
Columns ERROR_NUMBER, ERROR_NAME, COUNT_STAR.
Definition: table_ees_by_user_by_error.h:75
Helpers to implement a performance schema table.