Item_direct_view_ref Class Reference

Inheritance diagram for Item_direct_view_ref:

List of all members.

Public Member Functions
	Item_direct_view_ref (Name_resolution_context *context_arg, Item **item, const char *alias_name_arg, const char *table_name_arg, const char *field_name_arg)
	Item_direct_view_ref (THD *thd, Item_direct_ref *item)
virtual bool	subst_argument_checker (uchar **arg)
bool	fix_fields (THD *, Item **)
bool	eq (const Item *item, bool binary_cmp) const
Item *	get_tmp_table_item (THD *thd)
virtual Ref_Type	ref_type ()

---

Member Function Documentation

bool Item_direct_view_ref::eq	(	const Item *	item,
		bool	binary_cmp
	)		const [virtual]

Compare two view column references for equality.

A view column reference is considered equal to another column reference if the second one is a view column and if both column references resolve to the same item. It is assumed that both items are of the same type.

Parameters:

item	item to compare with
binary_cmp	make binary comparison

Return values:

TRUE	Referenced item is equal to given item
FALSE	otherwise

Reimplemented from Item_ref.

bool Item_direct_view_ref::fix_fields	(	THD *	thd,
		Item **	reference
	)		[virtual]

Prepare referenced field then call usual Item_direct_ref::fix_fields .

Parameters:

thd	thread handler
reference	reference on reference where this item stored

Return values:

FALSE	OK
TRUE	Error

Reimplemented from Item_ref.

---

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

• item.h
• item.cc