MySQL 8.0.29
Source Code Documentation
table_os_global_by_type.h
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23
24#ifndef TABLE_OBJECTS_SUMMARY_GLOBAL_BY_TYPE_H
25#define TABLE_OBJECTS_SUMMARY_GLOBAL_BY_TYPE_H
26
27/**
28 @file storage/perfschema/table_os_global_by_type.h
29 Table OBJECTS_SUMMARY_GLOBAL_BY_TYPE (declarations).
30*/
31
32#include <sys/types.h>
33
34#include "my_base.h"
37
38class Field;
39class Plugin_table;
40struct PFS_program;
41struct PFS_table_share;
42struct TABLE;
43struct THR_LOCK;
44
45/**
46 @addtogroup performance_schema_tables
47 @{
48*/
49
50/**
51 A row of table
52 PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE.
53*/
55 /** Column OBJECT_TYPE, SCHEMA_NAME, OBJECT_NAME. */
57
58 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
60};
61
62/**
63 Position of a cursor on
64 PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE.
65 Index 1 on object type
66 Index 2 on object instance (0 based)
67*/
71
72 inline void reset(void) {
74 m_index_2 = 0;
75 }
76
77 inline bool has_more_view(void) { return (m_index_1 <= LAST_VIEW); }
78
79 inline void next_view(void) {
80 m_index_1++;
81 m_index_2 = 0;
82 }
83};
84
86 public:
89 m_key_1("OBJECT_TYPE"),
90 m_key_2("OBJECT_SCHEMA"),
91 m_key_3("OBJECT_NAME") {}
92
93 ~PFS_index_os_global_by_type() override = default;
94
95 virtual bool match(PFS_table_share *pfs);
96 virtual bool match(PFS_program *pfs);
97
98 private:
102};
103
104/** Table PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE. */
106 public:
107 /** Table share */
110 static int delete_all_rows();
111 static ha_rows get_row_count();
112
113 void reset_position(void) override;
114
115 int rnd_next() override;
116 int rnd_pos(const void *pos) override;
117
118 int index_init(uint idx, bool sorted) override;
119 int index_next() override;
120
121 protected:
122 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
123 bool read_all) override;
125
126 public:
127 ~table_os_global_by_type() override = default;
128
129 protected:
130 int make_table_row(PFS_table_share *table_share);
131 int make_program_row(PFS_program *pfs_program);
132
133 private:
134 /** Table share lock. */
136 /** Table definition. */
138
139 /** Current row. */
141 /** Current position. */
143 /** Next position. */
145
146 protected:
148};
149
150/** @} */
151#endif
Definition: field.h:573
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_os_global_by_type.h:85
PFS_key_object_type m_key_1
Definition: table_os_global_by_type.h:99
PFS_key_object_schema m_key_2
Definition: table_os_global_by_type.h:100
virtual bool match(PFS_table_share *pfs)
Definition: table_os_global_by_type.cc:82
~PFS_index_os_global_by_type() override=default
PFS_key_object_name m_key_3
Definition: table_os_global_by_type.h:101
PFS_index_os_global_by_type()
Definition: table_os_global_by_type.h:87
Definition: table_helper.h:1610
Definition: table_helper.h:1595
Definition: table_helper.h:1635
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Table PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE.
Definition: table_os_global_by_type.h:105
static THR_LOCK m_table_lock
Table share lock.
Definition: table_os_global_by_type.h:135
int index_next() override
Find key in index, read record.
Definition: table_os_global_by_type.cc:227
table_os_global_by_type()
Definition: table_os_global_by_type.cc:141
static PFS_engine_table_share m_share
Table share.
Definition: table_os_global_by_type.h:108
pos_os_global_by_type m_pos
Current position.
Definition: table_os_global_by_type.h:142
row_os_global_by_type m_row
Current row.
Definition: table_os_global_by_type.h:140
static Plugin_table m_table_def
Table definition.
Definition: table_os_global_by_type.h:137
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_os_global_by_type.cc:126
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_os_global_by_type.cc:327
static int delete_all_rows()
Definition: table_os_global_by_type.cc:130
~table_os_global_by_type() override=default
static ha_rows get_row_count()
Definition: table_os_global_by_type.cc:136
void reset_position(void) override
Reset the cursor position to the beginning of the table.
Definition: table_os_global_by_type.cc:147
pos_os_global_by_type m_next_pos
Next position.
Definition: table_os_global_by_type.h:144
int index_init(uint idx, bool sorted) override
Definition: table_os_global_by_type.cc:218
PFS_index_os_global_by_type * m_opened_index
Definition: table_os_global_by_type.h:147
int make_program_row(PFS_program *pfs_program)
Definition: table_os_global_by_type.cc:270
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_os_global_by_type.cc:152
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_os_global_by_type.cc:191
int make_table_row(PFS_table_share *table_share)
Definition: table_os_global_by_type.cc:287
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
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:357
Row fragment for columns OBJECT_TYPE, SCHEMA_NAME, OBJECT_NAME.
Definition: table_helper.h:616
Name space, internal views used within object summaries.
Definition: table_helper.h:533
static const uint LAST_VIEW
Definition: table_helper.h:537
static const uint FIRST_VIEW
Definition: table_helper.h:534
Definition: pfs_program.h:56
Row fragment for single statistics columns (COUNT, SUM, MIN, AVG, MAX)
Definition: table_helper.h:675
Instrumentation metadata for a table share.
Definition: pfs_instr_class.h:387
Definition: table.h:1394
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE.
Definition: table_os_global_by_type.h:69
void reset(void)
Definition: table_os_global_by_type.h:72
void next_view(void)
Definition: table_os_global_by_type.h:79
pos_os_global_by_type()
Definition: table_os_global_by_type.h:70
bool has_more_view(void)
Definition: table_os_global_by_type.h:77
A row of table PERFORMANCE_SCHEMA.OBJECTS_SUMMARY_GLOBAL_BY_TYPE.
Definition: table_os_global_by_type.h:54
PFS_object_row m_object
Column OBJECT_TYPE, SCHEMA_NAME, OBJECT_NAME.
Definition: table_os_global_by_type.h:56
PFS_stat_row m_stat
Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT.
Definition: table_os_global_by_type.h:59
Helpers to implement a performance schema table.
unsigned int uint
Definition: uca-dump.cc:29