hash/timestamptz_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: timestamptz_ops, hash/timestamptz_ops
classes: map[default:t family:timestamptz_ops family_slug:family-hash-timestamptz_ops input_type:timestamptz key_type:none method:hash name:timestamptz_ops slug:class-hash-timestamptz_ops source_oid:]
signature: hash/timestamptz_ops
source oid: 1999

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
=(timestamptz,timestamptz)	1	search		Family member	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	timestamptz	timestamptz	timestamptz_hash(timestamptz)	int4
2	timestamptz	timestamptz	timestamptz_hash_extended(timestamptz,int8)	int8

Classes in this family

Class	Input type	Key type	Default
timestamptz_ops	timestamptz	Same as input type	yes

比较版本

完整来源事实

family

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

operators

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

support functions

map[family:timestamptz_ops family_slug:family-hash-timestamptz_ops function:timestamptz_hash(timestamptz) left_type:timestamptz method:hash number:1 result_type:int4 right_type:timestamptz], map[family:timestamptz_ops family_slug:family-hash-timestamptz_ops function:timestamptz_hash_extended(timestamptz,int8) left_type:timestamptz method:hash number:2 result_type:int8 right_type:timestamptz]

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