btree/range_ops (class)

B-tree operator class for anyrange; member of range_ops.

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

版本定义 PG 18

B-tree operator class for anyrange; member of range_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	anyrange	anyrange	range_cmp(anyrange,anyrange)	int4
2	anyrange	anyrange	range_sortsupport(internal)	void

Classes in this family

Class	Input type	Key type	Default
range_ops	anyrange	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"range_ops","input_type":"anyrange","key_type":"none","method":"btree","name":"range_ops"}

operators

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

support functions

map[family:range_ops family_slug:family-btree-range_ops function:range_cmp(anyrange,anyrange) left_type:anyrange method:btree number:1 result_type:int4 right_type:anyrange], map[family:range_ops family_slug:family-btree-range_ops function:range_sortsupport(internal) left_type:anyrange method:btree number:2 result_type:void right_type:anyrange]

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