btree/interval_ops (class)

B-tree operator class for interval; member of interval_ops.

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

版本定义 PG 18

B-tree operator class for interval; member of interval_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	interval	interval	interval_cmp(interval,interval)	int4
3	interval	interval	in_range(interval,interval,interval,bool,bool)	bool

Classes in this family

Class	Input type	Key type	Default
interval_ops	interval	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"interval_ops","input_type":"interval","key_type":"none","method":"btree","name":"interval_ops"}

operators

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

support functions

map[family:interval_ops family_slug:family-btree-interval_ops function:interval_cmp(interval,interval) left_type:interval method:btree number:1 result_type:int4 right_type:interval], map[family:interval_ops family_slug:family-btree-interval_ops function:in_range(interval,interval,interval,bool,bool) left_type:interval method:btree number:3 result_type:bool right_type:interval]

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