Join_order_hint_handler Class Reference

Auxiliary class is used to save/restore table dependencies. More...

Public Member Functions
	Join_order_hint_handler (JOIN *join_arg)
bool	init ()
	Allocates and initializes orig_dep_array. More...
void	no_restore_deps ()
	~Join_order_hint_handler ()
	Restore original dependencies if necessary. More...

Private Attributes
JOIN *	join
table_map *	orig_dep_array
	Original table dependencies. More...

Detailed Description

Auxiliary class is used to save/restore table dependencies.

Constructor & Destructor Documentation

Join_order_hint_handler()

Join_order_hint_handler::Join_order_hint_handler ( JOIN *  join_arg )

inline

~Join_order_hint_handler()

Join_order_hint_handler::~Join_order_hint_handler ( )

inline

Restore original dependencies if necessary.

Member Function Documentation

init()

bool Join_order_hint_handler::init ( )

inline

Allocates and initializes orig_dep_array.

Returns

true if orig_dep_array is allocated, false otherwise.

no_restore_deps()

void Join_order_hint_handler::no_restore_deps ( )

inline

Member Data Documentation

join

JOIN* Join_order_hint_handler::join

private

orig_dep_array

table_map* Join_order_hint_handler::orig_dep_array

private

Original table dependencies.

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

• sql/opt_hints.cc