Query_arena Class Reference

#include <sql_class.h>

Inheritance diagram for Query_arena:

Public Types
enum	enum_state {   STMT_INITIALIZED = 0 , STMT_INITIALIZED_FOR_SP = 1 , STMT_PREPARED = 2 , STMT_REGULAR_EXECUTION = 3 ,   STMT_EXECUTED = 4 , STMT_ERROR = -1 }

Public Member Functions
	Query_arena (MEM_ROOT *mem_root_arg, enum enum_state state_arg)
	Query_arena ()
virtual	~Query_arena ()=default
Item *	item_list () const
void	reset_item_list ()
void	set_item_list (Item *item)
void	add_item (Item *item)
void	free_items ()
void	set_state (enum_state state_arg)
enum_state	get_state () const
bool	is_stmt_prepare () const
bool	is_stmt_prepare_or_first_sp_execute () const
bool	is_stmt_prepare_or_first_stmt_execute () const
bool	is_regular () const
void *	alloc (size_t size)
void *	mem_calloc (size_t size)
template<typename T >
T *	alloc_typed ()
template<typename T >
T *	memdup_typed (const T *mem)
char *	mem_strdup (const char *str)
char *	strmake (const char *str, size_t size) const
LEX_CSTRING	strmake (LEX_CSTRING str)
void *	memdup (const void *str, size_t size)
void	set_query_arena (const Query_arena &set)
	Copies memory-managing members from set. More...
void	swap_query_arena (const Query_arena &source, Query_arena *backup)
	Copy the current arena to backup and set the current arena to match source More...

Public Attributes
MEM_ROOT *	mem_root
bool	is_repreparing {false}
	To check whether a reprepare operation is active. More...

Private Attributes
Item *	m_item_list
enum_state	state

Member Enumeration Documentation

enum_state

enum Query_arena::enum_state

Enumerator
STMT_INITIALIZED
STMT_INITIALIZED_FOR_SP
STMT_PREPARED
STMT_REGULAR_EXECUTION
STMT_EXECUTED
STMT_ERROR

Constructor & Destructor Documentation

Query_arena() [1/2]

Query_arena::Query_arena ( MEM_ROOT *  mem_root_arg, enum enum_state  state_arg  )

inline

Query_arena() [2/2]

Query_arena::Query_arena ( )

inline

~Query_arena()

virtual Query_arena::~Query_arena ( )

virtualdefault

Member Function Documentation

add_item()

void Query_arena::add_item

(

Item *

item

)

alloc()

void * Query_arena::alloc ( size_t  size )

inline

alloc_typed()

template<typename T >

T * Query_arena::alloc_typed ( )

inline

free_items()

void Query_arena::free_items

(

)

get_state()

enum_state Query_arena::get_state ( ) const

inline

is_regular()

bool Query_arena::is_regular ( ) const

inline

Returns

true if a regular statement, ie not prepared and not stored proc

is_stmt_prepare()

bool Query_arena::is_stmt_prepare ( ) const

inline

is_stmt_prepare_or_first_sp_execute()

bool Query_arena::is_stmt_prepare_or_first_sp_execute ( ) const

inline

is_stmt_prepare_or_first_stmt_execute()

bool Query_arena::is_stmt_prepare_or_first_stmt_execute ( ) const

inline

item_list()

Item * Query_arena::item_list ( ) const

inline

mem_calloc()

void * Query_arena::mem_calloc ( size_t  size )

inline

mem_strdup()

char * Query_arena::mem_strdup ( const char *  str )

inline

memdup()

void * Query_arena::memdup ( const void *  str, size_t  size  )

inline

memdup_typed()

template<typename T >

T * Query_arena::memdup_typed ( const T *  mem )

inline

reset_item_list()

void Query_arena::reset_item_list ( )

inline

set_item_list()

void Query_arena::set_item_list ( Item *  item )

inline

set_query_arena()

void Query_arena::set_query_arena

(

const Query_arena &

set

)

Copies memory-managing members from set.

No references are kept to it.

Parameters

set	A Query_arena from which members are copied.

set_state()

void Query_arena::set_state ( enum_state  state_arg )

inline

strmake() [1/2]

char * Query_arena::strmake ( const char *  str, size_t  size  ) const

inline

strmake() [2/2]

LEX_CSTRING Query_arena::strmake ( LEX_CSTRING  str )

inline

swap_query_arena()

void Query_arena::swap_query_arena	(	const Query_arena &	source,
		Query_arena *	backup
	)

Copy the current arena to backup and set the current arena to match source

Parameters

source	A Query_arena from which members are copied.
backup	A Query_arena to which members are first saved.

Member Data Documentation

is_repreparing

bool Query_arena::is_repreparing {false}

To check whether a reprepare operation is active.

m_item_list

Item* Query_arena::m_item_list

private

mem_root

MEM_ROOT* Query_arena::mem_root

state

enum_state Query_arena::state

private

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

• sql/sql_class.h
• sql/sql_class.cc