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PG.CENTER 连接 PostgreSQL 文档、百科与生态知识。由 Pigsty 维护。

Wiki / 运算符

=(oid,oid)

equal

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。

Left operand
oid
Right operand
oid
Result type
bool
Implementing function
oideq(oid,oid)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
yes
aliases
=, =(oid,oid)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
=(oid,oid) → bool
source oid
607

版本定义 PG 18

equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treeoid_ops3search
Hashoid_ops1search
BRINoid_minmax_ops3search
BRINoid_minmax_multi_ops3search
BRINoid_bloom_ops1search

比较版本

完整来源事实

memberships

map[description:equal family:oid_ops family_slug:family-btree-oid_ops left_type:oid method:btree operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:3], map[description:equal family:oid_ops family_slug:family-hash-oid_ops left_type:oid method:hash operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:1], map[description:equal family:oid_minmax_ops family_slug:family-brin-oid_minmax_ops left_type:oid method:brin operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:3], map[description:equal family:oid_minmax_multi_ops family_slug:family-brin-oid_minmax_multi_ops left_type:oid method:brin operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:3], map[description:equal family:oid_bloom_ops family_slug:family-brin-oid_bloom_ops left_type:oid method:brin operator:=(oid,oid) operator_slug:op-3d-oid-oid purpose:search result_type:bool right_type:oid sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"=(oid,oid)","function":"oideq(oid,oid)","hash_join":"t","kind":"b","left_type":"oid","merge_join":"t","negator":"\u003c\u003e(oid,oid)","result_type":"bool","right_type":"oid","symbol":"="}

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