=(tid,tid)
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
- tid
- Right operand
- tid
- Result type
- bool
- Implementing function
- tideq(tid,tid)
- Operator kind
- Binary
- Hash join candidate
- yes
- Merge join candidate
- yes
- aliases
- =, =(tid,tid)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- =(tid,tid) → bool
- source oid
- 387
版本定义 PG 18
equal
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | tid_ops | 3 | search | |
| Hash | tid_ops | 1 | search | |
| BRIN | tid_minmax_ops | 3 | search | |
| BRIN | tid_bloom_ops | 1 | search | |
| BRIN | tid_minmax_multi_ops | 3 | search |
比较版本
完整来源事实
memberships
map[description:equal family:tid_ops family_slug:family-btree-tid_ops left_type:tid method:btree operator:=(tid,tid) operator_slug:op-3d-tid-tid purpose:search result_type:bool right_type:tid sort_family: sort_family_slug: strategy:3], map[description:equal family:tid_ops family_slug:family-hash-tid_ops left_type:tid method:hash operator:=(tid,tid) operator_slug:op-3d-tid-tid purpose:search result_type:bool right_type:tid sort_family: sort_family_slug: strategy:1], map[description:equal family:tid_minmax_ops family_slug:family-brin-tid_minmax_ops left_type:tid method:brin operator:=(tid,tid) operator_slug:op-3d-tid-tid purpose:search result_type:bool right_type:tid sort_family: sort_family_slug: strategy:3], map[description:equal family:tid_bloom_ops family_slug:family-brin-tid_bloom_ops left_type:tid method:brin operator:=(tid,tid) operator_slug:op-3d-tid-tid purpose:search result_type:bool right_type:tid sort_family: sort_family_slug: strategy:1], map[description:equal family:tid_minmax_multi_ops family_slug:family-brin-tid_minmax_multi_ops left_type:tid method:brin operator:=(tid,tid) operator_slug:op-3d-tid-tid purpose:search result_type:bool right_type:tid sort_family: sort_family_slug: strategy:3]
operator
{"commutator":"=(tid,tid)","function":"tideq(tid,tid)","hash_join":"t","kind":"b","left_type":"tid","merge_join":"t","negator":"\u003c\u003e(tid,tid)","result_type":"bool","right_type":"tid","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