23#ifndef TABLE_STATUS_BY_THREAD_H
24#define TABLE_STATUS_BY_THREAD_H
120 int rnd_pos(
const void *pos)
override;
122 int index_init(uint idx,
bool sorted)
override;
127 bool read_all)
override;
size_t get_row_count()
Definition: pfs_buffer_container.h:464
Definition: pfs_engine_table.h:299
An abstract PERFORMANCE_SCHEMA table.
Definition: pfs_engine_table.h:69
Definition: table_status_by_thread.h:88
~PFS_index_status_by_thread() override=default
PFS_index_status_by_thread()
Definition: table_status_by_thread.h:90
PFS_key_thread_id m_key_1
Definition: table_status_by_thread.h:101
PFS_key_variable_name m_key_2
Definition: table_status_by_thread.h:102
virtual bool match(PFS_thread *pfs)
Definition: table_status_by_thread.cc:46
Definition: table_helper.h:1251
Definition: table_helper.h:1531
Status variable cache.
Definition: pfs_variable.h:677
Class to hold information regarding a table to be created on behalf of a plugin.
Definition: plugin_table.h:39
Status variable derived from SHOW_VAR.
Definition: pfs_variable.h:207
Table PERFORMANCE_SCHEMA.STATUS_BY_THREAD.
Definition: table_status_by_thread.h:106
static ha_rows get_row_count()
Definition: table_status_by_thread.cc:112
static int delete_all_rows()
Definition: table_status_by_thread.cc:102
int rnd_init(bool scan) override
Initialize table scan.
Definition: table_status_by_thread.cc:130
table_status_by_thread()
Definition: table_status_by_thread.cc:119
static Plugin_table m_table_def
Table definition.
Definition: table_status_by_thread.h:140
PFS_index_status_by_thread * m_opened_index
Definition: table_status_by_thread.h:151
int read_row_values(TABLE *table, unsigned char *buf, Field **fields, bool read_all) override
Read the current row values.
Definition: table_status_by_thread.cc:244
pos_t m_pos
Current position.
Definition: table_status_by_thread.h:147
row_status_by_thread m_row
Current row.
Definition: table_status_by_thread.h:145
pos_t m_next_pos
Next position.
Definition: table_status_by_thread.h:149
PFS_status_variable_cache m_status_cache
Current THD variables.
Definition: table_status_by_thread.h:143
int rnd_next() override
Fetch the next row in this cursor.
Definition: table_status_by_thread.cc:138
int index_init(uint idx, bool sorted) override
Definition: table_status_by_thread.cc:173
void reset_position() override
Reset the cursor position to the beginning of the table.
Definition: table_status_by_thread.cc:125
pos_status_by_thread pos_t
Definition: table_status_by_thread.h:107
int rnd_pos(const void *pos) override
Fetch a row by position.
Definition: table_status_by_thread.cc:158
~table_status_by_thread() override=default
int make_row(PFS_thread *thread, const Status_variable *status_var)
Definition: table_status_by_thread.cc:216
static PFS_engine_table_share m_share
Table share.
Definition: table_status_by_thread.h:111
int index_next() override
Find key in index, read record.
Definition: table_status_by_thread.cc:186
static THR_LOCK m_table_lock
Table share lock.
Definition: table_status_by_thread.h:138
static PFS_engine_table * create(PFS_engine_table_share *)
Definition: table_status_by_thread.cc:98
This file includes constants used by all storage engines.
my_off_t ha_rows
Definition: my_base.h:1139
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:55
static PFS_engine_table_share_proxy table
Definition: pfs.cc:60
Definition: buf0block_hint.cc:29
Generic buffer container.
PFS_thread_container global_thread_container
Performance schema tables (declarations).
Performance schema system and status variables (declarations).
static const LEX_CSTRING pfs
Definition: sql_show_processlist.cc:65
Performance schema instrumentation (declarations).
Position of a double cursor, for iterations using 2 nested loops.
Definition: pfs_engine_table.h:592
uint m_index_1
Outer index.
Definition: pfs_engine_table.h:594
uint m_index_2
Current index within index_1.
Definition: pfs_engine_table.h:596
A PERFORMANCE_SCHEMA table share.
Definition: pfs_engine_table.h:357
Instrumented thread implementation.
Definition: pfs_instr.h:374
Definition: table_helper.h:1087
Definition: table_helper.h:1100
Definition: thr_lock.h:138
Position of a cursor on PERFORMANCE_SCHEMA.STATUS_BY_THREAD.
Definition: table_status_by_thread.h:70
pos_status_by_thread()
Definition: table_status_by_thread.h:71
void next_thread()
Definition: table_status_by_thread.h:82
void reset()
Definition: table_status_by_thread.h:73
bool has_more_thread()
Definition: table_status_by_thread.h:78
A row of table PERFORMANCE_SCHEMA.STATUS_BY_THREAD.
Definition: table_status_by_thread.h:55
PFS_variable_value_row m_variable_value
Column VARIABLE_VALUE.
Definition: table_status_by_thread.h:61
ulonglong m_thread_internal_id
Column THREAD_ID.
Definition: table_status_by_thread.h:57
PFS_variable_name_row m_variable_name
Column VARIABLE_NAME.
Definition: table_status_by_thread.h:59
Helpers to implement a performance schema table.