Table PERFORMANCE_SCHEMA.USER_DEFINED_FUNCTIONS. More...

#include <table_user_defined_functions.h>

Inheritance diagram for table_user_defined_functions:

Public Member Functions
void	reset_position () override
	Reset the cursor position to the beginning of the table. More...

int	rnd_next () override
	Fetch the next row in this cursor. More...

int	rnd_pos (const void *pos) override
	Fetch a row by position. More...

int	index_init (uint idx, bool sorted) override

int	index_next () override
	Find key in index, read record. More...

	~table_user_defined_functions () override=default

Public Member Functions inherited from PFS_engine_table
int	read_row (TABLE table, unsigned char buf, Field **fields)
	Read a table row. More...

int	update_row (TABLE table, const unsigned char old_buf, unsigned char new_buf, Field *fields)
	Update a table row. More...

int	delete_row (TABLE table, const unsigned char buf, Field **fields)
	Delete a row from this table. More...

virtual int	rnd_init (bool scan)
	Initialize table scan. More...

virtual int	index_read (KEY key_infos, uint index, const uchar key, uint key_len, enum ha_rkey_function find_flag)
	Positions an index cursor to the index specified in the handle. More...

virtual int	index_read_last (KEY key_infos, const uchar key, uint key_len)

virtual int	index_next_same (const uchar *key, uint key_len)
	Reads the next row matching the given key value. More...

virtual int	index_prev ()

virtual int	index_first ()

virtual int	index_last ()

void	get_position (void *ref)
	Get the position of the current row. More...

void	set_position (const void *ref)
	Set the table cursor at a given position. More...

virtual	~PFS_engine_table ()=default
	Destructor. More...

Static Public Member Functions
static PFS_engine_table *	create (PFS_engine_table_share *)

static ha_rows	get_row_count ()

Static Public Member Functions inherited from PFS_engine_table
static PFS_engine_table_share *	find_engine_table_share (const char *name)
	Find a table share by name. More...

Static Public Attributes
static PFS_engine_table_share	m_share
	Table share. More...

Protected Member Functions
int	read_row_values (TABLE table, unsigned char buf, Field **fields, bool read_all) override
	Read the current row values. More...

	table_user_defined_functions ()

Protected Member Functions inherited from PFS_engine_table
virtual int	update_row_values (TABLE table, const unsigned char old_buf, unsigned char new_buf, Field *fields)
	Update the current row values. More...

virtual int	delete_row_values (TABLE table, const unsigned char buf, Field **fields)
	Delete a row. More...

	PFS_engine_table (const PFS_engine_table_share share, void pos)
	Constructor. More...

Private Member Functions
void	materialize (THD *thd)

Static Private Member Functions
static int	make_row (const udf_func entry, row_user_defined_functions row)

static void	materialize_udf_funcs (udf_func udf, void arg)

Private Attributes
row_user_defined_functions *	m_all_rows

uint	m_row_count

row_user_defined_functions *	m_row
	Current row. More...

PFS_simple_index	m_pos
	Current position. More...

PFS_simple_index	m_next_pos
	Next position. More...

PFS_index_user_defined_functions *	m_opened_index

Static Private Attributes
static THR_LOCK	m_table_lock
	Table share lock. More...

static Plugin_table	m_table_def
	Table definition. More...

Additional Inherited Members
Protected Attributes inherited from PFS_engine_table
const PFS_engine_table_share *	m_share_ptr
	Table share. More...

void *	m_pos_ptr
	Opaque pointer to the `m_pos` position of this cursor. More...

time_normalizer *	m_normalizer
	Current normalizer. More...

PFS_engine_index_abstract *	m_index
	Current index. More...

Detailed Description

Table PERFORMANCE_SCHEMA.USER_DEFINED_FUNCTIONS.

Constructor & Destructor Documentation

◆ table_user_defined_functions()

table_user_defined_functions::table_user_defined_functions ( )

protected

◆ ~table_user_defined_functions()

table_user_defined_functions::~table_user_defined_functions ( )

overridedefault

Member Function Documentation

◆ create()

PFS_engine_table * table_user_defined_functions::create ( PFS_engine_table_share * )

static

◆ get_row_count()

ha_rows table_user_defined_functions::get_row_count ( )

static

◆ index_init()

int table_user_defined_functions::index_init	(	uint	idx,
		bool	sorted
	)

overridevirtual

Reimplemented from PFS_engine_table.

◆ index_next()

int table_user_defined_functions::index_next ( )

overridevirtual

Find key in index, read record.

Reimplemented from PFS_engine_table.

◆ make_row()

int table_user_defined_functions::make_row	(	const udf_func *	entry,
		row_user_defined_functions *	row
	)

staticprivate

not valid for UDFs

char *, to be converted to/from a decimal

◆ materialize()

void table_user_defined_functions::materialize ( THD * thd )

private

◆ materialize_udf_funcs()

void table_user_defined_functions::materialize_udf_funcs	(	udf_func *	udf,
		void *	arg
	)

staticprivate

◆ read_row_values()

int table_user_defined_functions::read_row_values	(	TABLE *	table,
		unsigned char *	buf,
		Field **	fields,
		bool	read_all
	)

overrideprotectedvirtual

Read the current row values.

Parameters

table	Table handle
buf	row buffer
fields	Table fields
read_all	true if all columns are read.

Implements PFS_engine_table.

◆ reset_position()

void table_user_defined_functions::reset_position ( )

overridevirtual

Reset the cursor position to the beginning of the table.

Implements PFS_engine_table.

◆ rnd_next()

int table_user_defined_functions::rnd_next ( )

overridevirtual

Fetch the next row in this cursor.

Implements PFS_engine_table.

◆ rnd_pos()

int table_user_defined_functions::rnd_pos ( const void * pos )

overridevirtual

Fetch a row by position.

Parameters

pos	position to fetch

Implements PFS_engine_table.

Member Data Documentation

◆ m_all_rows

row_user_defined_functions* table_user_defined_functions::m_all_rows

private

◆ m_next_pos

PFS_simple_index table_user_defined_functions::m_next_pos

private

Next position.

◆ m_opened_index

PFS_index_user_defined_functions* table_user_defined_functions::m_opened_index

private

◆ m_pos

PFS_simple_index table_user_defined_functions::m_pos

private

Current position.

◆ m_row

row_user_defined_functions* table_user_defined_functions::m_row

private

Current row.

◆ m_row_count

uint table_user_defined_functions::m_row_count

private

◆ m_share

PFS_engine_table_share table_user_defined_functions::m_share

static

Initial value:

= {
    &pfs_readonly_acl,
    table_user_defined_functions::create,
    nullptr, 
    nullptr, 
    table_user_defined_functions::get_row_count,
    sizeof(PFS_simple_index), 
    &m_table_lock,
    &m_table_def,
    false, 
    PFS_engine_table_proxy(),
    {0},
    false 
}

Table share.

◆ m_table_def

Plugin_table table_user_defined_functions::m_table_def

staticprivate

Table definition.

◆ m_table_lock

THR_LOCK table_user_defined_functions::m_table_lock

staticprivate

Table share lock.

The documentation for this class was generated from the following files:

storage/perfschema/table_user_defined_functions.h
storage/perfschema/table_user_defined_functions.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ table_user_defined_functions()

◆ ~table_user_defined_functions()

Member Function Documentation

◆ create()

◆ get_row_count()

◆ index_init()

◆ index_next()

◆ make_row()

◆ materialize()

◆ materialize_udf_funcs()

◆ read_row_values()

◆ reset_position()

◆ rnd_next()

◆ rnd_pos()

Member Data Documentation

◆ m_all_rows

◆ m_next_pos

◆ m_opened_index

◆ m_pos

◆ m_row

◆ m_row_count

◆ m_share

◆ m_table_def

◆ m_table_lock