=(pg_lsn,pg_lsn)
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
- pg_lsn
- Right operand
- pg_lsn
- Result type
- bool
- Implementing function
- pg_lsn_eq(pg_lsn,pg_lsn)
- Operator kind
- Binary
- Hash join candidate
- yes
- Merge join candidate
- yes
- aliases
- =, =(pg_lsn,pg_lsn)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- =(pg_lsn,pg_lsn) → bool
- source oid
- 3222
版本定义 PG 18
equal
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | pg_lsn_ops | 3 | search | |
| Hash | pg_lsn_ops | 1 | search | |
| BRIN | pg_lsn_minmax_ops | 3 | search | |
| BRIN | pg_lsn_minmax_multi_ops | 3 | search | |
| BRIN | pg_lsn_bloom_ops | 1 | search |
比较版本
完整来源事实
memberships
map[description:equal family:pg_lsn_ops family_slug:family-btree-pg_lsn_ops left_type:pg_lsn method:btree operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:3], map[description:equal family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops left_type:pg_lsn method:hash operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:1], map[description:equal family:pg_lsn_minmax_ops family_slug:family-brin-pg_lsn_minmax_ops left_type:pg_lsn method:brin operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:3], map[description:equal family:pg_lsn_minmax_multi_ops family_slug:family-brin-pg_lsn_minmax_multi_ops left_type:pg_lsn method:brin operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:3], map[description:equal family:pg_lsn_bloom_ops family_slug:family-brin-pg_lsn_bloom_ops left_type:pg_lsn method:brin operator:=(pg_lsn,pg_lsn) operator_slug:op-3d-pg_lsn-pg_lsn purpose:search result_type:bool right_type:pg_lsn sort_family: sort_family_slug: strategy:1]
operator
{"commutator":"=(pg_lsn,pg_lsn)","function":"pg_lsn_eq(pg_lsn,pg_lsn)","hash_join":"t","kind":"b","left_type":"pg_lsn","merge_join":"t","negator":"\u003c\u003e(pg_lsn,pg_lsn)","result_type":"bool","right_type":"pg_lsn","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