=(int4,int4)
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
- int4
- Right operand
- int4
- Result type
- bool
- Implementing function
- int4eq(int4,int4)
- Operator kind
- Binary
- Hash join candidate
- yes
- Merge join candidate
- yes
- aliases
- =, =(int4,int4)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- =(int4,int4) → bool
- source oid
- 96
版本定义 PG 18
equal
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | integer_ops | 3 | search | |
| Hash | integer_ops | 1 | search | |
| BRIN | integer_minmax_ops | 3 | search | |
| BRIN | integer_minmax_multi_ops | 3 | search | |
| BRIN | integer_bloom_ops | 1 | search |
比较版本
完整来源事实
memberships
map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:equal family:integer_ops family_slug:family-hash-integer_ops left_type:int4 method:hash operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:1], map[description:equal family:integer_minmax_ops family_slug:family-brin-integer_minmax_ops left_type:int4 method:brin operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:equal family:integer_minmax_multi_ops family_slug:family-brin-integer_minmax_multi_ops left_type:int4 method:brin operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:equal family:integer_bloom_ops family_slug:family-brin-integer_bloom_ops left_type:int4 method:brin operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:1]
operator
{"commutator":"=(int4,int4)","function":"int4eq(int4,int4)","hash_join":"t","kind":"b","left_type":"int4","merge_join":"t","negator":"\u003c\u003e(int4,int4)","result_type":"bool","right_type":"int4","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