hash/record_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

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Object kind: Operator family
Index AM: Hash
aliases: record_ops, hash/record_ops
classes: map[default:t family:record_ops family_slug:family-hash-record_ops input_type:record key_type:none method:hash name:record_ops slug:class-hash-record_ops source_oid:]
signature: hash/record_ops
source oid: 6194

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
=(record,record)	1	search		Family member	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	record	record	hash_record(record)	int4
2	record	record	hash_record_extended(record,int8)	int8

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

family

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

operators

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

support functions

map[family:record_ops family_slug:family-hash-record_ops function:hash_record(record) left_type:record method:hash number:1 result_type:int4 right_type:record], map[family:record_ops family_slug:family-hash-record_ops function:hash_record_extended(record,int8) left_type:record method:hash number:2 result_type:int8 right_type:record]

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