btree/oid_ops (family)

B-tree operator family containing 1 classes, 5 operator strategies and 4 support functions in this source build.

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Object kind: Operator family
Index AM: B-tree
aliases: oid_ops, btree/oid_ops
classes: map[default:t family:oid_ops family_slug:family-btree-oid_ops input_type:oid key_type:none method:btree name:oid_ops slug:class-btree-oid_ops source_oid:1981]
signature: btree/oid_ops
source oid: 1989

版本定义 PG 18

B-tree operator family containing 1 classes, 5 operator strategies and 4 support functions in this source build.

Family operator strategies

Operator overload	Strategy	Purpose	Membership scope	Source description
<(oid,oid)	1	search	Family member	less than
<=(oid,oid)	2	search	Family member	less than or equal
=(oid,oid)	3	search	Family member	equal
>=(oid,oid)	4	search	Family member	greater than or equal
>(oid,oid)	5	search	Family member	greater than

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	oid	oid	btoidcmp(oid,oid)	int4
2	oid	oid	btoidsortsupport(internal)	void
4	oid	oid	btequalimage(oid)	bool
6	oid	oid	btoidskipsupport(internal)	void

Classes in this family

Class	Input type	Key type	Default
oid_ops	oid	Same as input type	yes

比较版本

完整来源事实

family

{"method":"btree","name":"oid_ops"}

operators

map[description:less than family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:<(oid,oid) operator_slug:op-3c-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:<=(oid,oid) operator_slug:op-3c3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:2], map[description:equal family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:>=(oid,oid) operator_slug:op-3e3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:4], map[description:greater than family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:>(oid,oid) operator_slug:op-3e-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:5]

support functions

map[family:oid_ops family_slug:family-btree-oid_ops function:btoidcmp(oid,oid) left_type:oid method:btree number:1 result_type:int4 right_type:oid], map[family:oid_ops family_slug:family-btree-oid_ops function:btoidsortsupport(internal) left_type:oid method:btree number:2 result_type:void right_type:oid], map[family:oid_ops family_slug:family-btree-oid_ops function:btequalimage(oid) left_type:oid method:btree number:4 result_type:bool right_type:oid], map[family:oid_ops family_slug:family-btree-oid_ops function:btoidskipsupport(internal) left_type:oid method:btree number:6 result_type:void right_type:oid]

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f