MySQL 8.4.2
Source Code Documentation
table_keyring_component_status.h
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23
24#ifndef TABLE_KEYRING_COMPONENT_STATUS_H
25#define TABLE_KEYRING_COMPONENT_STATUS_H
26
27/**
28 @file storage/perfschema/table_keyring_component_status.h
29 TABLE KEYRING_COMPONENT_STATUS
30*/
31#include <string>
32#include <vector>
33
34#include <sys/types.h>
36
37/**
38 A row in PERFORMANCE_SCHEMA.KEYRING_COMPONENT_STATUS table.
39*/
41 /** STATUS_KEY */
42 std::string m_status_key;
43 /** STATUS_VALUE */
44 std::string m_status_value;
45};
46
47/**
48 @addtogroup performance_schema_tables
49 @{
50*/
51
52/** Table PERFORMANCE_SCHEMA.KEYRING_COMPONENT_STATUS. */
54 public:
55 /** Table share */
57 /** Table builder */
59 static ha_rows get_row_count();
60
61 void reset_position() override;
62 int rnd_next() override;
63 int rnd_pos(const void *pos) override;
64
65 private:
67 int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
68 bool read_all) override;
69
70 private:
71 void materialize();
72 /** Safe copy of the keyring status */
73 std::vector<row_keyring_component_status> m_row_keyring_component_status;
74
75 /** Table share lock */
77 /** Table definition */
79
80 /** Current row. */
82 /** Current position. */
84 /** Next position. */
86};
87
88/** @} */
89
90#endif // TABLE_KEYRING_COMPONENT_STATUS_H
Definition: field.h:575
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:70
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:40
Table PERFORMANCE_SCHEMA.KEYRING_COMPONENT_STATUS.
Definition: table_keyring_component_status.h:53
static PFS_engine_table_share m_share
Table share.
Definition: table_keyring_component_status.h:56
void materialize()
Definition: table_keyring_component_status.cc:99
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_keyring_component_status.cc:151
static Plugin_table m_table_def
Table definition.
Definition: table_keyring_component_status.h:78
PFS_simple_index m_pos
Current position.
Definition: table_keyring_component_status.h:83
std::vector< row_keyring_component_status > m_row_keyring_component_status
Safe copy of the keyring status.
Definition: table_keyring_component_status.h:73
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_keyring_component_status.cc:146
PFS_simple_index m_next_pos
Next position.
Definition: table_keyring_component_status.h:85
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_keyring_component_status.cc:158
static PFS_engine_table * create(PFS_engine_table_share *)
Table builder.
Definition: table_keyring_component_status.cc:85
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_keyring_component_status.cc:169
row_keyring_component_status * m_row
Current row.
Definition: table_keyring_component_status.h:81
static ha_rows get_row_count()
Definition: table_keyring_component_status.cc:141
static THR_LOCK m_table_lock
Table share lock.
Definition: table_keyring_component_status.h:76
table_keyring_component_status()
Definition: table_keyring_component_status.cc:90
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
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:358
Position of a cursor, for simple iterations.
Definition: pfs_engine_table.h:566
Definition: table.h:1406
Definition: thr_lock.h:139
A row in PERFORMANCE_SCHEMA.KEYRING_COMPONENT_STATUS table.
Definition: table_keyring_component_status.h:40
std::string m_status_value
STATUS_VALUE.
Definition: table_keyring_component_status.h:44
std::string m_status_key
STATUS_KEY.
Definition: table_keyring_component_status.h:42
Helpers to implement a performance schema table.