in_datetime_as_longlong Class Reference

#include <item_cmpfunc.h>

Inheritance diagram for in_datetime_as_longlong:

Public Member Functions
	in_datetime_as_longlong (MEM_ROOT *mem_root, uint elements)
Item_basic_constant *	create_item (MEM_ROOT *mem_root) const override
	Create an instance of Item_{type} (e.g. More...
Public Member Functions inherited from in_longlong
	in_longlong (MEM_ROOT *mem_root, uint elements)
void	value_to_item (uint pos, Item_basic_constant *item) const override
	Store the value at position pos into provided item object. More...
bool	find_item (Item *item) override
	Calls item->val_int() or item->val_str() etc. More...
bool	compare_elems (uint pos1, uint pos2) const override
	Compare values number pos1 and pos2 for equality. More...
Public Member Functions inherited from in_vector
	in_vector (uint elements)
	See Item_func_in::resolve_type() for why we need both count and used_count. More...
virtual	~in_vector ()=default
virtual bool	is_row_result () const
bool	fill (Item **items, uint item_count)
	Fill the vector by evaluating the items passed as arguments. More...
virtual void	cleanup ()

Private Member Functions
void	val_item (Item *item, packed_longlong *result) override

Additional Inherited Members
Public Attributes inherited from in_vector
uint	m_used_size {0}
	The actual size of the vector (NULL may be ignored) More...
Protected Attributes inherited from in_longlong
Mem_root_array< packed_longlong >	base

Constructor & Destructor Documentation

in_datetime_as_longlong()

in_datetime_as_longlong::in_datetime_as_longlong ( MEM_ROOT *  mem_root, uint  elements  )

inline

Member Function Documentation

create_item()

Item_basic_constant * in_datetime_as_longlong::create_item ( MEM_ROOT *  mem_root ) const

inlineoverridevirtual

Create an instance of Item_{type} (e.g.

Item_decimal) constant object which type allows it to hold an element of this vector without any conversions. The purpose of this function is to be able to get elements of this vector in form of Item_xxx constants without creating Item_xxx object for every array element you get (i.e. this implements "FlyWeight" pattern)

Parameters

mem_root

Where to allocate the Item.

Reimplemented from in_longlong.

val_item()

void in_datetime_as_longlong::val_item ( Item *  item, packed_longlong *  result  )

overrideprivatevirtual

Reimplemented from in_longlong.

---

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

• sql/item_cmpfunc.h
• sql/item_cmpfunc.cc