/* Copyright (c) 2010, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License , version 2 . 0 , for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software Foundation ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef TABLE_EVENTS_STATEMENTS_H
#define TABLE_EVENTS_STATEMENTS_H
/**
@ file storage / perfschema / table_events_statements . h
Table EVENTS_STATEMENTS_xxx ( declarations ) .
*/
#include "pfs_column_types.h"
#include "pfs_engine_table.h"
#include "pfs_events_statements.h"
#include "table_helper.h"
struct PFS_thread;
/**
@ addtogroup Performance_schema_tables
@ {
*/
/** A row of table_events_statements_common. */
struct row_events_statements
{
/** Column THREAD_ID. */
ulonglong m_thread_internal_id;
/** Column EVENT_ID. */
ulonglong m_event_id;
/** Column END_EVENT_ID. */
ulonglong m_end_event_id;
/** Column NESTING_EVENT_ID. */
ulonglong m_nesting_event_id;
/** Column NESTING_EVENT_TYPE. */
enum_event_type m_nesting_event_type;
/** Column NESTING_EVENT_LEVEL. */
uint m_nesting_event_level;
/** Column EVENT_NAME. */
const char *m_name;
/** Length in bytes of @c m_name. */
uint m_name_length;
/** Column TIMER_START. */
ulonglong m_timer_start;
/** Column TIMER_END. */
ulonglong m_timer_end;
/** Column TIMER_WAIT. */
ulonglong m_timer_wait;
/** Column LOCK_TIME. */
ulonglong m_lock_time;
/** Column SOURCE. */
char m_source[COL_SOURCE_SIZE];
/** Length in bytes of @c m_source. */
uint m_source_length;
/** Column SQL_TEXT. */
String m_sqltext;
/** Column DIGEST and DIGEST_TEXT. */
PFS_digest_row m_digest;
/** Column CURRENT_SCHEMA. */
char m_current_schema_name[NAME_LEN];
/** Length in bytes of @c m_current_schema_name. */
uint m_current_schema_name_length;
/** Column OBJECT_TYPE. */
enum_object_type m_object_type;
/** Column OBJECT_SCHEMA. */
char m_schema_name[NAME_LEN];
/** Length in bytes of @c m_schema_name. */
uint m_schema_name_length;
/** Column OBJECT_NAME. */
char m_object_name[NAME_LEN];
/** Length in bytes of @c m_object_name. */
uint m_object_name_length;
/** Column MESSAGE_TEXT. */
char m_message_text[MYSQL_ERRMSG_SIZE+1 ];
/** Column MYSQL_ERRNO. */
uint m_sql_errno;
/** Column RETURNED_SQLSTATE. */
char m_sqlstate[SQLSTATE_LENGTH];
/** Column ERRORS. */
uint m_error_count;
/** Column WARNINGS. */
uint m_warning_count;
/** Column ROWS_AFFECTED. */
ulonglong m_rows_affected;
/** Column ROWS_SENT. */
ulonglong m_rows_sent;
/** Column ROWS_EXAMINED. */
ulonglong m_rows_examined;
/** Column CREATED_TMP_DISK_TABLES. */
ulonglong m_created_tmp_disk_tables;
/** Column CREATED_TMP_TABLES. */
ulonglong m_created_tmp_tables;
/** Column SELECT_FULL_JOIN. */
ulonglong m_select_full_join;
/** Column SELECT_FULL_RANGE_JOIN. */
ulonglong m_select_full_range_join;
/** Column SELECT_RANGE. */
ulonglong m_select_range;
/** Column SELECT_RANGE_CHECK. */
ulonglong m_select_range_check;
/** Column SELECT_SCAN. */
ulonglong m_select_scan;
/** Column SORT_MERGE_PASSES. */
ulonglong m_sort_merge_passes;
/** Column SORT_RANGE. */
ulonglong m_sort_range;
/** Column SORT_ROWS. */
ulonglong m_sort_rows;
/** Column SORT_SCAN. */
ulonglong m_sort_scan;
/** Column NO_INDEX_USED. */
ulonglong m_no_index_used;
/** Column NO_GOOD_INDEX_USED. */
ulonglong m_no_good_index_used;
};
/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */
struct pos_events_statements_current : public PFS_double_index
{
pos_events_statements_current()
: PFS_double_index(0 , 0 )
{}
inline void reset(void )
{
m_index_1= 0 ;
m_index_2= 0 ;
}
inline void next_thread(void )
{
m_index_1++;
m_index_2= 0 ;
}
};
/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */
struct pos_events_statements_history : public PFS_double_index
{
pos_events_statements_history()
: PFS_double_index(0 , 0 )
{}
inline void reset(void )
{
m_index_1= 0 ;
m_index_2= 0 ;
}
inline void next_thread(void )
{
m_index_1++;
m_index_2= 0 ;
}
};
/**
Adapter , for table sharing the structure of
PERFORMANCE_SCHEMA . EVENTS_STATEMENTS_CURRENT .
*/
class table_events_statements_common : public PFS_engine_table
{
protected :
int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all) override;
table_events_statements_common(const PFS_engine_table_share *share, void *pos);
~table_events_statements_common() = default ;
void make_row_part_1(PFS_events_statements *statement,
sql_digest_storage *digest);
void make_row_part_2(const sql_digest_storage *digest);
/** Current row. */
row_events_statements m_row;
/** True if the current row exists. */
bool m_row_exists;
unsigned char m_token_array[MAX_DIGEST_STORAGE_SIZE];
};
/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */
class table_events_statements_current : public table_events_statements_common
{
public :
static PFS_engine_table_share_state m_share_state;
/** Table share */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
static int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_statements_current();
public :
~table_events_statements_current() = default ;
private :
friend class table_events_statements_history;
friend class table_events_statements_history_long;
/** Table share lock. */
static THR_LOCK m_table_lock;
void make_row(PFS_thread* pfs_thread, PFS_events_statements *statement);
/** Current position. */
pos_events_statements_current m_pos;
/** Next position. */
pos_events_statements_current m_next_pos;
};
/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */
class table_events_statements_history : public table_events_statements_common
{
public :
static PFS_engine_table_share_state m_share_state;
/** Table share */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
static int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_statements_history();
public :
~table_events_statements_history() = default ;
private :
/** Table share lock. */
static THR_LOCK m_table_lock;
void make_row(PFS_thread* pfs_thread, PFS_events_statements *statement);
/** Current position. */
pos_events_statements_history m_pos;
/** Next position. */
pos_events_statements_history m_next_pos;
};
/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY_LONG. */
class table_events_statements_history_long : public table_events_statements_common
{
public :
static PFS_engine_table_share_state m_share_state;
/** Table share */
static PFS_engine_table_share m_share;
static PFS_engine_table* create();
static int delete_all_rows();
static ha_rows get_row_count();
int rnd_init(bool scan) override;
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_events_statements_history_long();
public :
~table_events_statements_history_long() = default ;
private :
/** Table share lock. */
static THR_LOCK m_table_lock;
void make_row(PFS_events_statements *statement);
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** @} */
#endif
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