hash/abstime_ops (class)

Hash operator class for abstime; member of abstime_ops.

当前阅读 PG 11·选择有来源记录的版本

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Object kind: Operator class
Index AM: Hash
Input type: abstime
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: abstime_ops, hash/abstime_ops
classes: map[default:t family:abstime_ops family_slug:family-hash-abstime_ops input_type:abstime key_type:none method:hash name:abstime_ops slug:class-hash-abstime_ops source_oid:]
signature: hash/abstime_ops
source oid: 未知

版本定义 PG 11

Hash operator class for abstime; member of abstime_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	abstime	abstime	hashint4(int4)	int4
2	abstime	abstime	hashint4extended(int4,int8)	int8

Classes in this family

Class	Input type	Key type	Default
abstime_ops	abstime	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"abstime_ops","input_type":"abstime","key_type":"none","method":"hash","name":"abstime_ops"}

operators

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

support functions

map[family:abstime_ops family_slug:family-hash-abstime_ops function:hashint4(int4) left_type:abstime method:hash number:1 result_type:int4 right_type:abstime], map[family:abstime_ops family_slug:family-hash-abstime_ops function:hashint4extended(int4,int8) left_type:abstime method:hash number:2 result_type:int8 right_type:abstime]

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 11 · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0

正文语言: en · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0