PathKey Struct Reference

#include <pathnodes.h>

Public Member Functions
	pg_node_attr (no_read, no_query_jumble) NodeTag type
EquivalenceClass *pk_eclass	pg_node_attr (copy_as_scalar, equal_as_scalar)

Data Fields
Oid	pk_opfamily
CompareType	pk_cmptype
bool	pk_nulls_first

Detailed Description

Definition at line 1708 of file pathnodes.h.

Member Function Documentation

pg_node_attr() [1/2]

EquivalenceClass *pk_eclass PathKey::pg_node_attr	(	copy_as_scalar	,
		equal_as_scalar
	)

pg_node_attr() [2/2]

PathKey::pg_node_attr	(	no_read	,
		no_query_jumble
	)

Field Documentation

pk_cmptype

CompareType PathKey::pk_cmptype

Definition at line 1717 of file pathnodes.h.

Referenced by appendOrderByClause(), cached_scansel(), convert_subquery_pathkeys(), create_indexscan_plan(), create_mergejoin_plan(), initial_cost_mergejoin(), make_canonical_pathkey(), make_inner_pathkeys_for_merge(), match_pathkeys_to_index(), prepare_sort_from_pathkeys(), and right_merge_direction().

pk_nulls_first

bool PathKey::pk_nulls_first

Definition at line 1718 of file pathnodes.h.

Referenced by appendOrderByClause(), cached_scansel(), convert_subquery_pathkeys(), create_mergejoin_plan(), initial_cost_mergejoin(), make_canonical_pathkey(), make_inner_pathkeys_for_merge(), match_pathkeys_to_index(), and prepare_sort_from_pathkeys().

pk_opfamily

Oid PathKey::pk_opfamily

Definition at line 1716 of file pathnodes.h.

Referenced by add_foreign_ordered_paths(), appendOrderByClause(), cached_scansel(), convert_subquery_pathkeys(), create_indexscan_plan(), create_mergejoin_plan(), initial_cost_mergejoin(), is_foreign_pathkey(), make_canonical_pathkey(), make_inner_pathkeys_for_merge(), make_unique_from_pathkeys(), match_pathkeys_to_index(), prepare_sort_from_pathkeys(), and right_merge_direction().

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

• src/include/nodes/pathnodes.h