hash/pg_lsn_ops (family)

Hash operator family containing 1 classes, 1 operator strategies and 2 support functions in this source build.

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 family
Index AM: Hash
aliases: pg_lsn_ops, hash/pg_lsn_ops
classes: map[default:t family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops input_type:pg_lsn key_type:none method:hash name:pg_lsn_ops slug:class-hash-pg_lsn_ops source_oid:]
signature: hash/pg_lsn_ops
source oid: 3254

版本定义 PG 18

Hash operator family containing 1 classes, 1 operator strategies and 2 support functions in this source build.

Family operator strategies

Operator overload	Strategy	Purpose	Ordering family	Membership scope	Source description
=(pg_lsn,pg_lsn)	1	search		Family member	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	pg_lsn	pg_lsn	pg_lsn_hash(pg_lsn)	int4
2	pg_lsn	pg_lsn	pg_lsn_hash_extended(pg_lsn,int8)	int8

Classes in this family

Class	Input type	Key type	Default
pg_lsn_ops	pg_lsn	Same as input type	yes

比较版本

完整来源事实

family

{"method":"hash","name":"pg_lsn_ops"}

operators

map[description:equal family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops left_type:pg_lsn method:hash operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:1]

support functions

map[family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops function:pg_lsn_hash(pg_lsn) left_type:pg_lsn method:hash number:1 result_type:int4 right_type:pg_lsn], map[family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops function:pg_lsn_hash_extended(pg_lsn,int8) left_type:pg_lsn method:hash number:2 result_type:int8 right_type:pg_lsn]

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