hash/oid8_ops (class)
Hash operator class for oid8; member of oid8_ops.
当前阅读 PG 20·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。
- Object kind
- Operator class
- Index AM
- Hash
- Input type
- oid8
- Stored key type
- Same as input type (catalog zero)
- Default class
- yes
- aliases
- oid8_ops, hash/oid8_ops
- classes
- map[default:t family:oid8_ops family_slug:family-hash-oid8_ops input_type:oid8 key_type:none method:hash name:oid8_ops slug:class-hash-oid8_ops source_oid:]
- operators
- map[description:equal family:oid8_ops family_slug:family-hash-oid8_ops left_type:oid8 method:hash operator:=(oid8,oid8) operator_slug:op-3d-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:1]
- signature
- hash/oid8_ops
- source oid
- 未知
版本定义 PG 20
Hash operator class for oid8; member of oid8_ops.
Family operator strategies
| Operator overload | Strategy | Purpose | Ordering family | Membership scope | Source description |
|---|---|---|---|---|---|
| =(oid8,oid8) | 1 | search | Class input pair | equal |
Family support functions
Classes in this family
比较版本
完整来源事实
class
{"default":"t","family":"oid8_ops","input_type":"oid8","key_type":"none","method":"hash","name":"oid8_ops"}support functions
map[family:oid8_ops family_slug:family-hash-oid8_ops function:hashoid8(oid8) left_type:oid8 method:hash number:1 result_type:int4 right_type:oid8], map[family:oid8_ops family_slug:family-hash-oid8_ops function:hashoid8extended(oid8,int8) left_type:oid8 method:hash number:2 result_type:int8 right_type:oid8]
来源引用
- Matching PostgreSQL source archive
- PostgreSQL 20 English manual: indexes-opclass.html
- PostgreSQL 20 English manual: catalog-pg-opclass.html
- PostgreSQL 20 English manual: catalog-pg-amop.html
- PostgreSQL 20 English manual: catalog-pg-amproc.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 20 · 4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41
正文语言: en · 4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41