=(abstime,abstime)
equal
当前阅读 PG 11·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
- abstime
- Right operand
- abstime
- Result type
- bool
- Implementing function
- abstimeeq(abstime,abstime)
- Operator kind
- Binary
- Hash join candidate
- yes
- Merge join candidate
- yes
- aliases
- =, =(abstime,abstime)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- =(abstime,abstime) → bool
- source oid
- 560
版本定义 PG 11
equal
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | abstime_ops | 3 | search | |
| Hash | abstime_ops | 1 | search | |
| BRIN | abstime_minmax_ops | 3 | search |
比较版本
完整来源事实
memberships
map[description:equal family:abstime_ops family_slug:family-btree-abstime_ops left_type:abstime method:btree operator:=(abstime,abstime) operator_slug:op-3d-abstime-abstime purpose:search result_type:bool right_type:abstime sort_family: sort_family_slug: strategy:3], map[description:equal family:abstime_ops family_slug:family-hash-abstime_ops left_type:abstime method:hash operator:=(abstime,abstime) operator_slug:op-3d-abstime-abstime purpose:search result_type:bool right_type:abstime sort_family: sort_family_slug: strategy:1], map[description:equal family:abstime_minmax_ops family_slug:family-brin-abstime_minmax_ops left_type:abstime method:brin operator:=(abstime,abstime) operator_slug:op-3d-abstime-abstime purpose:search result_type:bool right_type:abstime sort_family: sort_family_slug: strategy:3]
operator
{"commutator":"=(abstime,abstime)","function":"abstimeeq(abstime,abstime)","hash_join":"t","kind":"b","left_type":"abstime","merge_join":"t","negator":"\u003c\u003e(abstime,abstime)","result_type":"bool","right_type":"abstime","symbol":"="}来源引用
- Matching PostgreSQL source archive
- PostgreSQL 11 English manual: catalog-pg-operator.html
- PostgreSQL 11 English manual: catalog-pg-amop.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 11 · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0
正文语言: en · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0