hash/interval_ops (class)

Hash operator class for interval; member of interval_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: Hash
Input type: interval
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: interval_ops, hash/interval_ops
classes: map[default:t family:interval_ops family_slug:family-hash-interval_ops input_type:interval key_type:none method:hash name:interval_ops slug:class-hash-interval_ops source_oid:]
signature: hash/interval_ops
source oid: 未知

版本定义 PG 18

Hash operator class for interval; member of interval_ops.

Family operator strategies

Operator overload	Strategy	Purpose	Ordering family	Membership scope	Source description
=(interval,interval)	1	search		Class input pair	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	interval	interval	interval_hash(interval)	int4
2	interval	interval	interval_hash_extended(interval,int8)	int8

Classes in this family

Class	Input type	Key type	Default
interval_ops	interval	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"interval_ops","input_type":"interval","key_type":"none","method":"hash","name":"interval_ops"}

operators

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

support functions

map[family:interval_ops family_slug:family-hash-interval_ops function:interval_hash(interval) left_type:interval method:hash number:1 result_type:int4 right_type:interval], map[family:interval_ops family_slug:family-hash-interval_ops function:interval_hash_extended(interval,int8) left_type:interval method:hash number:2 result_type:int8 right_type:interval]

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