RANGE_OPT_PARAM Class Reference

Inheritance diagram for RANGE_OPT_PARAM:

Collaboration diagram for RANGE_OPT_PARAM:

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

Detailed Description

Definition at line 783 of file opt_range.cc.

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.

Definition at line 840 of file opt_range.cc.

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

• sql/opt_range.cc