btree/record_image_ops (class)

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

当前阅读 PG 18·选择有来源记录的版本

此版本暂无所选语言的定义，以下显示原始英文内容。

Object kind: Operator class
Index AM: B-tree
Input type: record
Stored key type: Same as input type (catalog zero)
Default class: no
aliases: record_image_ops, btree/record_image_ops
classes: map[default:f family:record_image_ops family_slug:family-btree-record_image_ops input_type:record key_type:none method:btree name:record_image_ops slug:class-btree-record_image_ops source_oid:]
signature: btree/record_image_ops
source oid: 未知
support functions: map[family:record_image_ops family_slug:family-btree-record_image_ops function:btrecordimagecmp(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_image_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	identical
*>=(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	btrecordimagecmp(record,record)	int4

Classes in this family

Class	Input type	Key type	Default
record_image_ops	record	Same as input type	no

比较版本

完整来源事实

class

{"default":"f","family":"record_image_ops","input_type":"record","key_type":"none","method":"btree","name":"record_image_ops"}

operators

map[description:less than family:record_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*<(record,record) operator_slug:op-2a3c-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_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*<=(record,record) operator_slug:op-2a3c3d-record-record purpose:search result_type:bool right_type:record sort_family: sort_family_slug: strategy:2], map[description:identical family:record_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*=(record,record) operator_slug:op-2a3d-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_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*>=(record,record) operator_slug:op-2a3e3d-record-record purpose:search result_type:bool right_type:record sort_family: sort_family_slug: strategy:4], map[description:greater than family:record_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*>(record,record) operator_slug:op-2a3e-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