RANGE_OPT_PARAM Class Reference

Inheritance diagram for RANGE_OPT_PARAM:

List of all members.

Public Member Functions
bool	statement_should_be_aborted () const
Public Attributes
THD *	thd
TABLE *	table
Item *	cond
table_map	prev_tables
table_map	read_tables
table_map	current_table
KEY_PART *	key_parts
KEY_PART *	key_parts_end
MEM_ROOT *	mem_root
MEM_ROOT *	old_root
uint	keys
bool	using_real_indexes
bool	remove_jump_scans
uint	real_keynr [MAX_KEY]
uchar	min_key [MAX_KEY_LENGTH+MAX_FIELD_WIDTH]
uchar	max_key [MAX_KEY_LENGTH+MAX_FIELD_WIDTH]
uint	alloced_sel_args
bool	force_default_mrr
bool	use_index_statistics

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Member Data Documentation

bool RANGE_OPT_PARAM::use_index_statistics

Whether index statistics or index dives should be used when estimating the number of rows in an equality range. If true, index statistics is used for these indexes.

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

• opt_range.cc