hash/bpchar_pattern_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: bpchar_pattern_ops, hash/bpchar_pattern_ops
classes: map[default:f family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops input_type:bpchar key_type:none method:hash name:bpchar_pattern_ops slug:class-hash-bpchar_pattern_ops source_oid:]
signature: hash/bpchar_pattern_ops
source oid: 2231

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
=(bpchar,bpchar)	1	search		Family member	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	bpchar	bpchar	hashbpchar(bpchar)	int4
2	bpchar	bpchar	hashbpcharextended(bpchar,int8)	int8

Classes in this family

Class	Input type	Key type	Default
bpchar_pattern_ops	bpchar	Same as input type	no

比较版本

完整来源事实

family

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

operators

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

support functions

map[family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops function:hashbpchar(bpchar) left_type:bpchar method:hash number:1 result_type:int4 right_type:bpchar], map[family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops function:hashbpcharextended(bpchar,int8) left_type:bpchar method:hash number:2 result_type:int8 right_type:bpchar]

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