Item_func_interval Class Reference

Inheritance diagram for Item_func_interval:

List of all members.

Public Member Functions
	Item_func_interval (Item_row *a)
longlong	val_int ()
void	fix_length_and_dec ()
const char *	func_name () const
uint	decimal_precision () const

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Member Function Documentation

longlong Item_func_interval::val_int

(

void

)

[virtual]

Execute Item_func_interval().

Note:

If we are doing a decimal comparison, we are evaluating the first item twice.

Returns:

• -1 if null value,
• 0 if lower than lowest
• 1 - arg_count-1 if between args[n] and args[n+1]
• arg_count if higher than biggest argument

Implements Item.

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

• item_cmpfunc.h
• item_cmpfunc.cc