ORDER_with_src Class Reference

Wrapper for ORDER* pointer to trace origins of ORDER list. More...

#include <sql_optimizer.h>

Public Member Functions
	ORDER_with_src ()
	ORDER_with_src (ORDER *order_arg, Explain_sort_clause src_arg, bool const_optimized_arg=false)
bool	empty () const
void	clean ()
int	get_flags () const
bool	is_const_optimized () const

Public Attributes
ORDER *	order
	ORDER expression that we are wrapping with this class. More...
Explain_sort_clause	src
	origin of order list More...

Private Attributes
int	flags
	bitmap of Explain_sort_property More...
bool	m_const_optimized

Detailed Description

Wrapper for ORDER* pointer to trace origins of ORDER list.

As far as ORDER is just a head object of ORDER expression chain, we need some wrapper object to associate flags with the whole ORDER list.

Constructor & Destructor Documentation

ORDER_with_src() [1/2]

ORDER_with_src::ORDER_with_src ( )

inline

ORDER_with_src() [2/2]

ORDER_with_src::ORDER_with_src ( ORDER *  order_arg, Explain_sort_clause  src_arg, bool  const_optimized_arg = false  )

inline

Member Function Documentation

clean()

void ORDER_with_src::clean ( )

inline

empty()

bool ORDER_with_src::empty ( ) const

inline

get_flags()

int ORDER_with_src::get_flags ( ) const

inline

is_const_optimized()

bool ORDER_with_src::is_const_optimized ( ) const

inline

Member Data Documentation

flags

int ORDER_with_src::flags

private

bitmap of Explain_sort_property

m_const_optimized

bool ORDER_with_src::m_const_optimized

private

order

ORDER* ORDER_with_src::order

ORDER expression that we are wrapping with this class.

src

Explain_sort_clause ORDER_with_src::src

origin of order list

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

• sql/sql_optimizer.h