Item_func_numhybrid Class Reference

Inheritance diagram for Item_func_numhybrid:

List of all members.

Public Member Functions
	Item_func_numhybrid (Item *a)
	Item_func_numhybrid (Item *a, Item *b)
	Item_func_numhybrid (List< Item > &list)
enum Item_result	result_type () const
void	fix_length_and_dec ()
void	fix_num_length_and_dec ()
virtual void	find_num_type ()=0
double	val_real ()
longlong	val_int ()
my_decimal *	val_decimal (my_decimal *)
String *	val_str (String *str)
bool	get_date (MYSQL_TIME *ltime, uint fuzzydate)
bool	get_time (MYSQL_TIME *ltime)
virtual longlong	int_op ()=0
	Performs the operation that this functions implements when the result type is INT.
virtual double	real_op ()=0
	Performs the operation that this functions implements when the result type is REAL.
virtual my_decimal *	decimal_op (my_decimal *)=0
	Performs the operation that this functions implements when the result type is DECIMAL.
virtual String *	str_op (String *)=0
	Performs the operation that this functions implements when the result type is a string type.
virtual bool	date_op (MYSQL_TIME *ltime, uint fuzzydate)=0
	Performs the operation that this functions implements when the result type is MYSQL_TYPE_DATE or MYSQL_TYPE_DATETIME.
virtual bool	time_op (MYSQL_TIME *ltime)=0
bool	is_null ()
Protected Attributes
Item_result	hybrid_type

---

Member Function Documentation

virtual bool Item_func_numhybrid::date_op	(	MYSQL_TIME *	ltime,
		uint	fuzzydate
	)		[pure virtual]

Performs the operation that this functions implements when the result type is MYSQL_TYPE_DATE or MYSQL_TYPE_DATETIME.

Returns:

The result of the operation.

Implemented in Item_func_ifnull, Item_func_coalesce, Item_num_op, and Item_func_num1.

virtual my_decimal* Item_func_numhybrid::decimal_op

(

my_decimal *

)

[pure virtual]

Performs the operation that this functions implements when the result type is DECIMAL.

Parameters:

A	pointer where the DECIMAL value will be allocated.

Returns:

• 0 If the result is NULL
• The same pointer it was given, with the area initialized to the result of the operation.

Implemented in Item_func_round, Item_func_floor, Item_func_ceiling, Item_func_ifnull, Item_func_coalesce, Item_func_abs, Item_func_neg, Item_func_mod, Item_func_div, Item_func_mul, Item_func_minus, and Item_func_plus.

virtual longlong Item_func_numhybrid::int_op

(

)

[pure virtual]

Performs the operation that this functions implements when the result type is INT.

Returns:

The result of the operation.

Implemented in Item_func_round, Item_func_floor, Item_func_ceiling, Item_func_ifnull, Item_func_coalesce, Item_func_abs, Item_func_neg, Item_func_mod, Item_func_div, Item_func_mul, Item_func_minus, and Item_func_plus.

virtual double Item_func_numhybrid::real_op

(

)

[pure virtual]

Performs the operation that this functions implements when the result type is REAL.

Returns:

The result of the operation.

Implemented in Item_func_round, Item_func_floor, Item_func_ceiling, Item_func_ifnull, Item_func_coalesce, Item_func_abs, Item_func_neg, Item_func_mod, Item_func_div, Item_func_mul, Item_func_minus, and Item_func_plus.

virtual String* Item_func_numhybrid::str_op

(

String *

)

[pure virtual]

Performs the operation that this functions implements when the result type is a string type.

Returns:

The result of the operation.

Implemented in Item_func_ifnull, Item_func_coalesce, Item_num_op, and Item_func_num1.

---

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

• item_func.h
• item_func.cc