<<(circle,circle)
is left of
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
- circle
- Right operand
- circle
- Result type
- bool
- Implementing function
- circle_left(circle,circle)
- Operator kind
- Binary
- Hash join candidate
- no
- Merge join candidate
- no
- aliases
- <<, <<(circle,circle)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- <<(circle,circle) → bool
- source oid
- 1506
版本定义 PG 18
is left of
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| GiST | circle_ops | 1 | search |
比较版本
完整来源事实
memberships
map[description:is left of family:circle_ops family_slug:family-gist-circle_ops left_type:circle method:gist operator:<<(circle,circle) operator_slug:op-3c3c-circle-circle purpose:search result_type:bool right_type:circle sort_family: sort_family_slug: strategy:1]
operator
{"commutator":"","function":"circle_left(circle,circle)","hash_join":"f","kind":"b","left_type":"circle","merge_join":"f","negator":"","result_type":"bool","right_type":"circle","symbol":"\u003c\u003c"}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