Inheritance diagram for QUICK_ROR_UNION_SELECT:

Collaboration diagram for QUICK_ROR_UNION_SELECT:

Public Member Functions
	QUICK_ROR_UNION_SELECT (THD thd, TABLE table)
int	init ()
void	need_sorted_output ()
int	reset (void)
int	get_next ()
bool	reverse_sorted () const
bool	reverse_sort_possible () const
bool	unique_key_range ()
int	get_type ()
void	add_keys_and_lengths (String key_names, String used_lengths)
void	add_info_string (String *str)
bool	is_keys_used (const MY_BITMAP *fields)
void	dbug_dump (int indent, bool verbose)
bool	push_quick_back (QUICK_SELECT_I *quick_sel_range)
virtual bool	is_valid ()
Public Member Functions inherited from QUICK_SELECT_I
virtual void	range_end ()
virtual bool	clustered_pk_range ()
virtual int	init_ror_merged_scan (bool reuse_handler)
virtual void	save_last_pos ()
virtual QUICK_SELECT_I *	make_reverse (uint used_key_parts_arg)
virtual void	set_handler (handler *file_arg)

Public Attributes
List< QUICK_SELECT_I >	quick_selects
QUEUE	queue
MEM_ROOT	alloc
THD *	thd
uchar *	cur_rowid
uchar *	prev_rowid
bool	have_prev_rowid
uint	rowid_length
Public Attributes inherited from QUICK_SELECT_I
ha_rows	records
double	read_time
TABLE *	head
uint	index
uint	max_used_key_length
uint	used_key_parts
uchar *	last_rowid
uchar *	record

Additional Inherited Members
Public Types inherited from QUICK_SELECT_I
enum	{ QS_TYPE_RANGE = 0, QS_TYPE_INDEX_MERGE = 1, QS_TYPE_RANGE_DESC = 2, QS_TYPE_FULLTEXT = 3, QS_TYPE_ROR_INTERSECT = 4, QS_TYPE_ROR_UNION = 5, QS_TYPE_GROUP_MIN_MAX = 6 }

Detailed Description

Definition at line 714 of file opt_range.h.

Member Function Documentation

virtual bool QUICK_ROR_UNION_SELECT::is_valid ( void )

inlinevirtual

Simple sanity check that the quick select has been set up correctly. Function is overridden by quick selects that merge indices.

Reimplemented from QUICK_SELECT_I.

Definition at line 739 of file opt_range.h.

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bool QUICK_ROR_UNION_SELECT::reverse_sort_possible ( ) const

inlinevirtual

Whether the range access method is capable of returning records in reverse order.

Definition at line 725 of file opt_range.h.

bool QUICK_ROR_UNION_SELECT::reverse_sorted ( ) const

inlinevirtual

Whether the range access method returns records in reverse order.

Definition at line 724 of file opt_range.h.

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