Logically a part of AccessPath::index_skip_scan(), but is too large, so split out into its own struct. More...

#include <index_skip_scan_plan.h>

Public Attributes
KEY *	index_info
	The index chosen for data access. More...

uint	eq_prefix_len
	Length of the equality prefix. More...

uint	eq_prefix_key_parts
	Number of key parts in the equality prefix. More...

EQPrefix *	eq_prefixes
	Array of equality constants (IN list) More...

KEY_PART_INFO *	range_key_part
	The key part matching the range condition. More...

uint	used_key_parts
	Number of index keys used for skip scan. More...

double	read_cost
	Total cost of read. More...

uint	index
	Position of chosen index. More...

uchar *	min_range_key

uchar *	max_range_key

uchar *	min_search_key

uchar *	max_search_key

uint	range_cond_flag

uint	range_key_len

uint	num_output_rows

const SEL_ARG *	range_part_tracing_only

SEL_ROOT *	index_range_tree
	The sub-tree corresponding to index_info. More...

bool	has_aggregate_function
	TRUE if there are aggregate functions. More...

Detailed Description

Logically a part of AccessPath::index_skip_scan(), but is too large, so split out into its own struct.

Member Data Documentation

◆ eq_prefix_key_parts

uint IndexSkipScanParameters::eq_prefix_key_parts

Number of key parts in the equality prefix.

◆ eq_prefix_len

uint IndexSkipScanParameters::eq_prefix_len

Length of the equality prefix.

◆ eq_prefixes

EQPrefix* IndexSkipScanParameters::eq_prefixes

Array of equality constants (IN list)

◆ has_aggregate_function

bool IndexSkipScanParameters::has_aggregate_function

TRUE if there are aggregate functions.

◆ index

uint IndexSkipScanParameters::index

Position of chosen index.

◆ index_info

KEY* IndexSkipScanParameters::index_info

The index chosen for data access.

◆ index_range_tree

SEL_ROOT* IndexSkipScanParameters::index_range_tree

The sub-tree corresponding to index_info.

◆ max_range_key

uchar* IndexSkipScanParameters::max_range_key

◆ max_search_key

uchar* IndexSkipScanParameters::max_search_key

◆ min_range_key

uchar* IndexSkipScanParameters::min_range_key

◆ min_search_key

uchar* IndexSkipScanParameters::min_search_key

◆ num_output_rows

uint IndexSkipScanParameters::num_output_rows

◆ range_cond_flag

uint IndexSkipScanParameters::range_cond_flag

◆ range_key_len

uint IndexSkipScanParameters::range_key_len

◆ range_key_part

KEY_PART_INFO* IndexSkipScanParameters::range_key_part

The key part matching the range condition.

◆ range_part_tracing_only

const SEL_ARG* IndexSkipScanParameters::range_part_tracing_only

◆ read_cost

double IndexSkipScanParameters::read_cost

Total cost of read.

◆ used_key_parts

uint IndexSkipScanParameters::used_key_parts

Number of index keys used for skip scan.

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

sql/range_optimizer/index_skip_scan_plan.h

Public Attributes