Key Class Reference

Inheritance diagram for Key:

List of all members.

Public Types
enum	Keytype {   PRIMARY, UNIQUE, MULTIPLE, FULLTEXT,   SPATIAL, FOREIGN_KEY }
Public Member Functions
	Key (enum Keytype type_par, const LEX_STRING &name_arg, KEY_CREATE_INFO *key_info_arg, bool generated_arg, List< Key_part_spec > &cols)
	Key (enum Keytype type_par, const char *name_arg, size_t name_len_arg, KEY_CREATE_INFO *key_info_arg, bool generated_arg, List< Key_part_spec > &cols)
	Key (const Key &rhs, MEM_ROOT *mem_root)
virtual Key *	clone (MEM_ROOT *mem_root) const
Public Attributes
enum Keytype	type
KEY_CREATE_INFO	key_create_info
List< Key_part_spec >	columns
LEX_STRING	name
bool	generated
Friends
bool	foreign_key_prefix (Key *a, Key *b)

---

Constructor & Destructor Documentation

Key::Key	(	const Key &	rhs,
		MEM_ROOT *	mem_root
	)

Construct an (almost) deep copy of this key. Only those elements that are known to never change are not copied. If out of memory, a partial copy is returned and an error is set in THD.

---

Member Function Documentation

virtual Key* Key::clone

(

MEM_ROOT *

mem_root

)

const [inline, virtual]

Used to make a clone of this object for ALTER/CREATE TABLE

See also:

comment for Key_part_spec::clone

Reimplemented in Foreign_key.

---

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

• sql_class.h
• sql_class.cc