EquivalenceMember Struct Reference

#include <relation.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

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Detailed Description

Definition at line 614 of file relation.h.

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Field Documentation

Oid EquivalenceMember::em_datatype

Definition at line 623 of file relation.h.

Referenced by 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(), prepare_sort_from_pathkeys(), process_equivalence(), reconsider_full_join_clause(), and reconsider_outer_join_clause().

Expr* EquivalenceMember::em_expr

Definition at line 618 of file relation.h.

Referenced by add_child_rel_equivalences(), add_eq_member(), convert_subquery_pathkeys(), create_join_clause(), ec_member_matches_foreign(), ec_member_matches_indexcol(), exprs_known_equal(), find_ec_member_for_tle(), generate_base_implied_equalities_const(), generate_base_implied_equalities_no_const(), generate_join_implied_equalities_normal(), get_eclass_for_sort_expr(), match_pathkeys_to_index(), mutate_eclass_expressions(), prepare_sort_from_pathkeys(), print_pathkeys(), process_equivalence(), reconsider_full_join_clause(), and reconsider_outer_join_clause().

bool EquivalenceMember::em_is_child

Definition at line 622 of file relation.h.

Referenced by add_child_rel_equivalences(), add_eq_member(), convert_subquery_pathkeys(), eclass_useful_for_merging(), exprs_known_equal(), find_ec_member_for_tle(), generate_base_implied_equalities_const(), generate_base_implied_equalities_no_const(), generate_implied_equalities_for_column(), get_eclass_for_sort_expr(), mutate_eclass_expressions(), prepare_sort_from_pathkeys(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and select_outer_pathkeys_for_merge().

bool EquivalenceMember::em_is_const

Definition at line 621 of file relation.h.

Referenced by add_child_rel_equivalences(), add_eq_member(), find_ec_member_for_tle(), generate_base_implied_equalities_const(), get_eclass_for_sort_expr(), prepare_sort_from_pathkeys(), process_equivalence(), reconsider_full_join_clause(), reconsider_outer_join_clause(), and select_outer_pathkeys_for_merge().

Relids EquivalenceMember::em_nullable_relids

Definition at line 620 of file relation.h.

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

Relids EquivalenceMember::em_relids

Definition at line 619 of file relation.h.

Referenced by add_child_rel_equivalences(), add_eq_member(), create_join_clause(), eclass_useful_for_merging(), find_ec_member_for_tle(), 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(), prepare_sort_from_pathkeys(), and select_outer_pathkeys_for_merge().

NodeTag EquivalenceMember::type

Definition at line 616 of file relation.h.

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

• src/include/nodes/relation.h