EquivalenceMember Struct Reference

#include <pathnodes.h>

Data Fields
NodeTag	type
Expr *	em_expr
Relids	em_relids
Relids	em_nullable_relids
bool	em_is_const
bool	em_is_child
Oid	em_datatype

Detailed Description

Definition at line 1025 of file pathnodes.h.

Field Documentation

em_datatype

Oid EquivalenceMember::em_datatype

Definition at line 1034 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), convert_subquery_pathkeys(), generate_base_implied_equalities_const(), generate_base_implied_equalities_no_const(), generate_implied_equalities_for_column(), generate_join_implied_equalities_normal(), get_eclass_for_sort_expr(), make_unique_from_pathkeys(), prepare_sort_from_pathkeys(), process_equivalence(), reconsider_full_join_clause(), and reconsider_outer_join_clause().

em_expr

Expr* EquivalenceMember::em_expr

Definition at line 1029 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), convert_subquery_pathkeys(), cost_incremental_sort(), create_join_clause(), ec_member_matches_ctid(), ec_member_matches_foreign(), ec_member_matches_indexcol(), exprs_known_equal(), find_computable_ec_member(), find_ec_member_matching_expr(), find_em_expr_for_input_target(), find_em_expr_for_rel(), generate_base_implied_equalities_const(), generate_base_implied_equalities_no_const(), generate_join_implied_equalities_normal(), get_eclass_for_sort_expr(), match_eclasses_to_foreign_key_col(), match_pathkeys_to_index(), prepare_sort_from_pathkeys(), print_pathkeys(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and relation_can_be_sorted_early().

em_is_child

bool EquivalenceMember::em_is_child

Definition at line 1033 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), convert_subquery_pathkeys(), eclass_useful_for_merging(), exprs_known_equal(), find_computable_ec_member(), find_ec_member_matching_expr(), find_em_expr_for_input_target(), generate_base_implied_equalities_const(), generate_base_implied_equalities_no_const(), generate_implied_equalities_for_column(), get_eclass_for_sort_expr(), match_eclasses_to_foreign_key_col(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and select_outer_pathkeys_for_merge().

em_is_const

bool EquivalenceMember::em_is_const

Definition at line 1032 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), find_computable_ec_member(), find_derived_clause_for_ec_member(), find_ec_member_matching_expr(), find_em_expr_for_input_target(), generate_base_implied_equalities_const(), get_eclass_for_sort_expr(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and select_outer_pathkeys_for_merge().

em_nullable_relids

Relids EquivalenceMember::em_nullable_relids

Definition at line 1031 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), create_join_clause(), generate_base_implied_equalities_const(), and generate_base_implied_equalities_no_const().

em_relids

Relids EquivalenceMember::em_relids

Definition at line 1030 of file pathnodes.h.

Referenced by add_child_join_rel_equivalences(), add_child_rel_equivalences(), add_eq_member(), create_join_clause(), eclass_useful_for_merging(), find_computable_ec_member(), find_ec_member_matching_expr(), find_em_expr_for_rel(), generate_base_implied_equalities_no_const(), generate_implied_equalities_for_column(), generate_join_implied_equalities_normal(), get_eclass_for_sort_expr(), match_pathkeys_to_index(), and select_outer_pathkeys_for_merge().

type

NodeTag EquivalenceMember::type

Definition at line 1027 of file pathnodes.h.

---

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

• src/include/nodes/pathnodes.h