btree/tid_ops (class)

B-tree operator class for tid; member of tid_ops.

当前阅读 PG 18·选择有来源记录的版本

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Object kind: Operator class
Index AM: B-tree
Input type: tid
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: tid_ops, btree/tid_ops
classes: map[default:t family:tid_ops family_slug:family-btree-tid_ops input_type:tid key_type:none method:btree name:tid_ops slug:class-btree-tid_ops source_oid:]
signature: btree/tid_ops
source oid: 未知

版本定义 PG 18

B-tree operator class for tid; member of tid_ops.

Family operator strategies

Operator overload	Strategy	Purpose	Membership scope	Source description
<(tid,tid)	1	search	Class input pair	less than
<=(tid,tid)	2	search	Class input pair	less than or equal
=(tid,tid)	3	search	Class input pair	equal
>=(tid,tid)	4	search	Class input pair	greater than or equal
>(tid,tid)	5	search	Class input pair	greater than

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	tid	tid	bttidcmp(tid,tid)	int4
4	tid	tid	btequalimage(oid)	bool

Classes in this family

Class	Input type	Key type	Default
tid_ops	tid	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"tid_ops","input_type":"tid","key_type":"none","method":"btree","name":"tid_ops"}

operators

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

support functions

map[family:tid_ops family_slug:family-btree-tid_ops function:bttidcmp(tid,tid) left_type:tid method:btree number:1 result_type:int4 right_type:tid], map[family:tid_ops family_slug:family-btree-tid_ops function:btequalimage(oid) left_type:tid method:btree number:4 result_type:bool right_type:tid]

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