=(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 AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | oid_ops | 3 | search | |
| Hash | oid_ops | 1 | search | |
| BRIN | oid_minmax_ops | 3 | search | |
| BRIN | oid_minmax_multi_ops | 3 | search | |
| BRIN | oid_bloom_ops | 1 | search |
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
- Matching PostgreSQL source archive
- PostgreSQL 18 English manual: catalog-pg-operator.html
- PostgreSQL 18 English manual: catalog-pg-amop.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f