MySQL 8.4.0
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table_ees_by_account_by_error.h
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23
24#ifndef TABLE_EES_BY_ACCOUNT_BY_ERROR_H
25#define TABLE_EES_BY_ACCOUNT_BY_ERROR_H
26
27/**
28 @file storage/perfschema/table_ees_by_account_by_error.h
29 Table EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
38
39class Field;
40class Plugin_table;
41struct PFS_account;
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("HOST"),
56 m_key_3("ERROR_NUMBER") {}
57
59
60 virtual bool match(PFS_account *pfs);
61 virtual bool match_error_index(uint error_index);
62
63 private:
67};
68
69/**
70 A row of table
71 PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR.
72*/
74 /** Columns USER, HOST. */
76 /** Columns ERROR_NUMBER, ERROR_NAME, COUNT_STAR. */
78};
79
80/**
81 Position of a cursor on
82 PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR.
83 Index 1 on account (0 based)
84 Index 2 on error (0 based)
85*/
88
89 inline void reset() {
90 m_index_1 = 0;
91 m_index_2 = 0;
92 }
93
94 inline void next_account() {
95 m_index_1++;
96 m_index_2 = 0;
97 }
98
99 inline bool has_more_error() {
101 }
102
103 inline void next_error() { m_index_2++; }
104};
105
106/** Table PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR. */
108 public:
109 /** Table share */
112 static int delete_all_rows();
113 static ha_rows get_row_count();
114
115 void reset_position() override;
116
117 int rnd_init(bool scan) override;
118 int rnd_next() override;
119 int rnd_pos(const void *pos) override;
120
121 int index_init(uint idx, bool sorted) override;
122 int index_next() override;
123
124 protected:
125 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
126 bool read_all) override;
127
129
130 public:
131 ~table_ees_by_account_by_error() override = default;
132
133 protected:
134 int make_row(PFS_account *account, int error_index);
135
136 private:
137 /** Table share lock. */
139 /** Table definition. */
141
142 /** Current row. */
144 /** Current position. */
146 /** Next position. */
148
150};
151
152/** @} */
153#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_account_by_error.h:50
PFS_key_host m_key_2
Definition: table_ees_by_account_by_error.h:65
virtual bool match(PFS_account *pfs)
Definition: table_ees_by_account_by_error.cc:83
~PFS_index_ees_by_account_by_error() override=default
PFS_key_user m_key_1
Definition: table_ees_by_account_by_error.h:64
PFS_index_ees_by_account_by_error()
Definition: table_ees_by_account_by_error.h:52
virtual bool match_error_index(uint error_index)
Definition: table_ees_by_account_by_error.cc:99
PFS_key_error_number m_key_3
Definition: table_ees_by_account_by_error.h:66
Definition: table_helper.h:1380
Definition: table_helper.h:1504
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_ACCOUNT_BY_ERROR.
Definition: table_ees_by_account_by_error.h:107
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_ees_by_account_by_error.cc:133
int index_init(uint idx, bool sorted) override
Definition: table_ees_by_account_by_error.cc:171
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_ees_by_account_by_error.cc:135
row_ees_by_account_by_error m_row
Current row.
Definition: table_ees_by_account_by_error.h:143
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_ees_by_account_by_error.cc:154
PFS_index_ees_by_account_by_error * m_opened_index
Definition: table_ees_by_account_by_error.h:149
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_ees_by_account_by_error.cc:109
static ha_rows get_row_count()
Definition: table_ees_by_account_by_error.cc:120
int index_next() override
Find key in index, read record.
Definition: table_ees_by_account_by_error.cc:180
~table_ees_by_account_by_error() override=default
static int delete_all_rows()
Definition: table_ees_by_account_by_error.cc:114
int make_row(PFS_account *account, int error_index)
Definition: table_ees_by_account_by_error.cc:203
static Plugin_table m_table_def
Table definition.
Definition: table_ees_by_account_by_error.h:140
pos_ees_by_account_by_error m_pos
Current position.
Definition: table_ees_by_account_by_error.h:145
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_ees_by_account_by_error.cc:228
pos_ees_by_account_by_error m_next_pos
Next position.
Definition: table_ees_by_account_by_error.h:147
static THR_LOCK m_table_lock
Table share lock.
Definition: table_ees_by_account_by_error.h:138
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_ees_by_account_by_error.cc:128
table_ees_by_account_by_error()
Definition: table_ees_by_account_by_error.cc:125
static PFS_engine_table_share m_share
Table share.
Definition: table_ees_by_account_by_error.h:110
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).
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
Row fragment for columns USER, HOST.
Definition: table_helper.h:552
Per account statistics.
Definition: pfs_account.h:67
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
Definition: table.h:1405
Definition: thr_lock.h:139
Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR.
Definition: table_ees_by_account_by_error.h:86
bool has_more_error()
Definition: table_ees_by_account_by_error.h:99
void reset()
Definition: table_ees_by_account_by_error.h:89
pos_ees_by_account_by_error()
Definition: table_ees_by_account_by_error.h:87
void next_error()
Definition: table_ees_by_account_by_error.h:103
void next_account()
Definition: table_ees_by_account_by_error.h:94
A row of table PERFORMANCE_SCHEMA.EVENTS_ERRORS_SUMMARY_BY_ACCOUNT_BY_ERROR.
Definition: table_ees_by_account_by_error.h:73
PFS_account_row m_account
Columns USER, HOST.
Definition: table_ees_by_account_by_error.h:75
PFS_error_stat_row m_stat
Columns ERROR_NUMBER, ERROR_NAME, COUNT_STAR.
Definition: table_ees_by_account_by_error.h:77
Helpers to implement a performance schema table.