qo_index_entry Struct Reference

#include <query_graph.h>

Collaboration diagram for qo_index_entry:

Public Attributes
struct qo_index_entry *	next
QO_CLASS_INFO_ENTRY *	class_
SM_CLASS_CONSTRAINT *	constraints
int	force
int	col_num
TP_DOMAIN *	key_type
int	nsegs
int *	seg_idxs
int	rangelist_seg_idx
BITSET *	seg_equal_terms
BITSET *	seg_other_terms
BITSET	terms
bool	all_unique_index_columns_are_equi_terms
bool	cover_segments
int	first_sort_column
bool	orderby_skip
bool	groupby_skip
bool	use_descending
bool	is_iss_candidate
int	ils_prefix_len
char *	statistics_attribute_name
PT_NODE *	key_limit
bool	is_func_index
int	rangelist_term_idx
BITSET	index_segs
BITSET	multi_col_range_segs

Detailed Description

Definition at line 99 of file query_graph.h.

Member Data Documentation

bool qo_index_entry::all_unique_index_columns_are_equi_terms

Definition at line 137 of file query_graph.h.

Referenced by qo_alloc_index(), and qo_iscan_cost().

QO_CLASS_INFO_ENTRY* qo_index_entry::class_

Definition at line 105 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), qo_check_coll_optimization(), qo_check_type_index_covering(), qo_find_node_indexes(), qo_is_coverage_index(), qo_is_prefix_index(), qo_validate_index_attr_notnull(), qo_validate_index_for_groupby(), qo_validate_index_for_orderby(), and qo_validate_index_term_notnull().

int qo_index_entry::col_num

Definition at line 113 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_node_indexes(), qo_get_ils_prefix_length(), qo_index_has_bit_attr(), qo_is_coverage_index(), qo_iscan_cost(), qo_plan_cmp(), and qo_validate_index_attr_notnull().

SM_CLASS_CONSTRAINT* qo_index_entry::constraints

Definition at line 108 of file query_graph.h.

Referenced by make_pred_from_plan(), pt_fix_first_term_expr_for_iss(), pt_fix_first_term_func_index_for_iss(), pt_to_index_info(), qo_alloc_index(), qo_check_coll_optimization(), qo_check_type_index_covering(), qo_find_node_indexes(), qo_free_index(), qo_index_has_bit_attr(), qo_index_scan_new(), qo_is_filter_index(), qo_is_iss_index(), qo_is_pk_fk_full_join(), qo_is_prefix_index(), qo_iscan_cost(), qo_plan_compute_iscan_sort_list(), and qo_search_planner().

bool qo_index_entry::cover_segments

Definition at line 140 of file query_graph.h.

Referenced by make_pred_from_plan(), pt_to_index_info(), qo_alloc_index(), qo_find_node_indexes(), qo_generate_loose_index_scan(), qo_get_ils_prefix_length(), and qo_index_scan_new().

int qo_index_entry::first_sort_column

Definition at line 143 of file query_graph.h.

Referenced by qo_alloc_index(), and qo_check_plan_index_for_multi_range_opt().

int qo_index_entry::force

Definition at line 110 of file query_graph.h.

Referenced by qo_examine_correlated_index(), qo_find_node_indexes(), qo_generate_index_scan(), qo_generate_join_index_scan(), qo_generate_loose_index_scan(), qo_index_scan_new(), qo_is_filter_index(), qo_iscan_cost(), and qo_search_planner().

bool qo_index_entry::groupby_skip

Definition at line 149 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), qo_group_by_skip_plans_cmp(), qo_plan_cmp(), qo_search_planner(), and qo_unset_multi_range_optimization().

int qo_index_entry::ils_prefix_len

Definition at line 158 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), qo_find_node_indexes(), qo_generate_index_scan(), qo_generate_loose_index_scan(), qo_index_scan_new(), qo_plan_compute_iscan_sort_list(), and qo_search_planner().

BITSET qo_index_entry::index_segs

Definition at line 181 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_index_terms(), qo_free_index(), and qo_get_multi_col_range_segs().

bool qo_index_entry::is_func_index

Definition at line 175 of file query_graph.h.

Referenced by qo_find_node_indexes().

bool qo_index_entry::is_iss_candidate

Definition at line 155 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), qo_find_node_indexes(), qo_generate_index_scan(), qo_generate_loose_index_scan(), qo_get_xasl_index_info(), qo_index_scan_new(), and qo_search_planner().

PT_NODE* qo_index_entry::key_limit

Definition at line 167 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), and qo_find_node_indexes().

TP_DOMAIN* qo_index_entry::key_type

Definition at line 116 of file query_graph.h.

Referenced by qo_alloc_index(), qo_check_plan_index_for_multi_range_opt(), qo_find_node_indexes(), and qo_plan_compute_iscan_sort_list().

BITSET qo_index_entry::multi_col_range_segs

Definition at line 184 of file query_graph.h.

Referenced by qo_alloc_index(), qo_free_index(), qo_generate_index_scan(), qo_generate_join_index_scan(), and qo_index_scan_new().

struct qo_index_entry* qo_index_entry::next

Definition at line 102 of file query_graph.h.

Referenced by is_index_compatible(), pt_to_index_info(), qo_alloc_index(), qo_find_node_indexes(), and qo_get_index_info().

int qo_index_entry::nsegs

Definition at line 119 of file query_graph.h.

Referenced by gen_outer(), is_equivalent_indexes(), pt_fix_first_term_expr_for_iss(), qo_alloc_index(), qo_check_plan_index_for_multi_range_opt(), qo_check_terms_for_multiple_range_opt(), qo_discover_indexes(), qo_find_node_indexes(), qo_free_index(), qo_generate_join_index_scan(), qo_get_ils_prefix_length(), qo_get_xasl_index_info(), qo_index_scan_new(), qo_is_coverage_index(), qo_is_iss_index(), qo_is_pk_fk_full_join(), qo_iscan_cost(), qo_plan_compute_iscan_sort_list(), and qo_search_planner().

bool qo_index_entry::orderby_skip

Definition at line 146 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), qo_order_by_skip_plans_cmp(), qo_plan_cmp(), qo_search_planner(), and qo_unset_multi_range_optimization().

int qo_index_entry::rangelist_seg_idx

Definition at line 125 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_index_seg_terms(), qo_find_node_indexes(), and qo_plan_compute_iscan_sort_list().

int qo_index_entry::rangelist_term_idx

Definition at line 178 of file query_graph.h.

Referenced by qo_alloc_index(), and qo_find_index_seg_terms().

BITSET* qo_index_entry::seg_equal_terms

Definition at line 128 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_index_seg_terms(), qo_find_node_indexes(), qo_free_index(), qo_generate_index_scan(), qo_generate_join_index_scan(), qo_generate_loose_index_scan(), qo_is_iss_index(), qo_iscan_cost(), and qo_search_planner().

int* qo_index_entry::seg_idxs

Definition at line 122 of file query_graph.h.

Referenced by gen_outer(), is_equivalent_indexes(), pt_fix_first_term_expr_for_iss(), pt_fix_first_term_func_index_for_iss(), qo_alloc_index(), qo_check_plan_index_for_multi_range_opt(), qo_check_terms_for_multiple_range_opt(), qo_discover_indexes(), qo_find_index_seg_terms(), qo_find_node_indexes(), qo_free_index(), qo_generate_index_scan(), qo_generate_join_index_scan(), qo_get_ils_prefix_length(), qo_get_xasl_index_info(), qo_index_scan_new(), qo_is_coverage_index(), qo_is_iss_index(), qo_is_pk_fk_full_join(), qo_iscan_cost(), qo_plan_compute_iscan_sort_list(), qo_validate_index_attr_notnull(), and qo_validate_index_term_notnull().

BITSET* qo_index_entry::seg_other_terms

Definition at line 131 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_index_seg_terms(), qo_find_node_indexes(), qo_free_index(), qo_generate_index_scan(), qo_is_iss_index(), and qo_search_planner().

char* qo_index_entry::statistics_attribute_name

Definition at line 164 of file query_graph.h.

Referenced by qo_alloc_index(), qo_find_node_indexes(), and qo_free_index().

BITSET qo_index_entry::terms

Definition at line 134 of file query_graph.h.

Referenced by pt_fix_first_term_expr_for_iss(), pt_fix_first_term_func_index_for_iss(), qo_alloc_index(), qo_examine_correlated_index(), qo_find_index_terms(), qo_free_index(), qo_get_ils_prefix_length(), and qo_is_pk_fk_full_join().

bool qo_index_entry::use_descending

Definition at line 152 of file query_graph.h.

Referenced by pt_to_index_info(), qo_alloc_index(), and qo_unset_multi_range_optimization().

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

• src/optimizer/query_graph.h