#include <filesort.h>

Inheritance diagram for Filesort:

Collaboration diagram for Filesort:

Public Member Functions
	Filesort (ORDER order_arg, ha_rows limit_arg, SQL_SELECT select_arg)
uint	make_sortorder ()

Additional Inherited Members
Static Public Member Functions inherited from Sql_alloc
static void *	operator new (size_t size) throw ()
static void *	operator new[] (size_t size) throw ()
static void *	operator new[] (size_t size, MEM_ROOT *mem_root) throw ()
static void *	operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void *ptr, size_t size)

Detailed Description

Sorting related info. To be extended by another WL to include complete filesort implementation.

Definition at line 34 of file filesort.h.

Member Data Documentation

ha_rows Filesort::limit

Number of records to return

Definition at line 40 of file filesort.h.

ORDER* Filesort::order

List of expressions to order the table by

Definition at line 38 of file filesort.h.

bool Filesort::own_select

TRUE <=> free select on destruction

Definition at line 46 of file filesort.h.

SQL_SELECT* Filesort::select

select to use for getting records

Definition at line 44 of file filesort.h.

SORT_FIELD* Filesort::sortorder

ORDER BY list with some precalculated info for filesort

Definition at line 42 of file filesort.h.

bool Filesort::using_pq

true means we are using Priority Queue for order by with limit.

Definition at line 48 of file filesort.h.

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