btree/record_ops (class)

B-tree operator class for record; member of record_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: record
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: record_ops, btree/record_ops
classes: map[default:t family:record_ops family_slug:family-btree-record_ops input_type:record key_type:none method:btree name:record_ops slug:class-btree-record_ops source_oid:]
signature: btree/record_ops
source oid: 未知
support functions: map[family:record_ops family_slug:family-btree-record_ops function:btrecordcmp(record,record) left_type:record method:btree number:1 result_type:int4 right_type:record]

版本定义 PG 18

B-tree operator class for record; member of record_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	record	record	btrecordcmp(record,record)	int4

Classes in this family

Class	Input type	Key type	Default
record_ops	record	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"record_ops","input_type":"record","key_type":"none","method":"btree","name":"record_ops"}

operators

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

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