Item_func_minus Class Reference

Inheritance diagram for Item_func_minus:

List of all members.

Public Member Functions
	Item_func_minus (Item *a, Item *b)
const char *	func_name () const
longlong	int_op ()
	Performs the operation that this functions implements when the result type is INT.
double	real_op ()
	Performs the operation that this functions implements when the result type is REAL.
my_decimal *	decimal_op (my_decimal *)
void	fix_length_and_dec ()

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Member Function Documentation

my_decimal * Item_func_minus::decimal_op

(

my_decimal *

decimal_value

)

[virtual]

See Item_func_plus::decimal_op for comments.

Implements Item_func_numhybrid.

void Item_func_minus::fix_length_and_dec

(

void

)

[virtual]

The following function is here to allow the user to force subtraction of UNSIGNED BIGINT to return negative values.

Reimplemented from Item_func_numhybrid.

longlong Item_func_minus::int_op

(

)

[virtual]

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

Returns:

The result of the operation.

Implements Item_func_numhybrid.

double Item_func_minus::real_op

(

)

[virtual]

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

Returns:

The result of the operation.

Implements Item_func_numhybrid.

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

• item_func.h
• item_func.cc