hash/timestamp_ops (class)

Hash operator class for timestamp; member of timestamp_ops.

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

版本定义 PG 18

Hash operator class for timestamp; member of timestamp_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	timestamp	timestamp	timestamp_hash(timestamp)	int4
2	timestamp	timestamp	timestamp_hash_extended(timestamp,int8)	int8

Classes in this family

Class	Input type	Key type	Default
timestamp_ops	timestamp	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"timestamp_ops","input_type":"timestamp","key_type":"none","method":"hash","name":"timestamp_ops"}

operators

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

support functions

map[family:timestamp_ops family_slug:family-hash-timestamp_ops function:timestamp_hash(timestamp) left_type:timestamp method:hash number:1 result_type:int4 right_type:timestamp], map[family:timestamp_ops family_slug:family-hash-timestamp_ops function:timestamp_hash_extended(timestamp,int8) left_type:timestamp method:hash number:2 result_type:int8 right_type:timestamp]

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