btree/numeric_ops (family)
B-tree operator family containing 1 classes, 5 operator strategies and 3 support functions in this source build.
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。
- Object kind
- Operator family
- Index AM
- B-tree
- aliases
- numeric_ops, btree/numeric_ops
- classes
- map[default:t family:numeric_ops family_slug:family-btree-numeric_ops input_type:numeric key_type:none method:btree name:numeric_ops slug:class-btree-numeric_ops source_oid:3125]
- signature
- btree/numeric_ops
- source oid
- 1988
版本定义 PG 18
B-tree operator family containing 1 classes, 5 operator strategies and 3 support functions in this source build.
Family operator strategies
| Operator overload | Strategy | Purpose | Ordering family | Membership scope | Source description |
|---|---|---|---|---|---|
| <(numeric,numeric) | 1 | search | Family member | less than | |
| <=(numeric,numeric) | 2 | search | Family member | less than or equal | |
| =(numeric,numeric) | 3 | search | Family member | equal | |
| >=(numeric,numeric) | 4 | search | Family member | greater than or equal | |
| >(numeric,numeric) | 5 | search | Family member | greater than |
Family support functions
Classes in this family
| Class | Input type | Key type | Default |
|---|---|---|---|
| numeric_ops | numeric | Same as input type | yes |
比较版本
完整来源事实
family
{"method":"btree","name":"numeric_ops"}operators
map[description:less than family:numeric_ops family_slug:family-btree-numeric_ops left_type:numeric method:btree operator:<(numeric,numeric) operator_slug:op-3c-numeric-numeric purpose:search result_type:bool right_type:numeric sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:numeric_ops family_slug:family-btree-numeric_ops left_type:numeric method:btree operator:<=(numeric,numeric) operator_slug:op-3c3d-numeric-numeric purpose:search result_type:bool right_type:numeric sort_family: sort_family_slug: strategy:2], map[description:equal family:numeric_ops family_slug:family-btree-numeric_ops left_type:numeric method:btree operator:=(numeric,numeric) operator_slug:op-3d-numeric-numeric purpose:search result_type:bool right_type:numeric sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:numeric_ops family_slug:family-btree-numeric_ops left_type:numeric method:btree operator:>=(numeric,numeric) operator_slug:op-3e3d-numeric-numeric purpose:search result_type:bool right_type:numeric sort_family: sort_family_slug: strategy:4], map[description:greater than family:numeric_ops family_slug:family-btree-numeric_ops left_type:numeric method:btree operator:>(numeric,numeric) operator_slug:op-3e-numeric-numeric purpose:search result_type:bool right_type:numeric sort_family: sort_family_slug: strategy:5]
support functions
map[family:numeric_ops family_slug:family-btree-numeric_ops function:numeric_cmp(numeric,numeric) left_type:numeric method:btree number:1 result_type:int4 right_type:numeric], map[family:numeric_ops family_slug:family-btree-numeric_ops function:numeric_sortsupport(internal) left_type:numeric method:btree number:2 result_type:void right_type:numeric], map[family:numeric_ops family_slug:family-btree-numeric_ops function:in_range(numeric,numeric,numeric,bool,bool) left_type:numeric method:btree number:3 result_type:bool right_type:numeric]
来源引用
- Matching PostgreSQL source archive
- PostgreSQL 18 English manual: indexes-opclass.html
- PostgreSQL 18 English manual: catalog-pg-opfamily.html
- PostgreSQL 18 English manual: catalog-pg-amop.html
- PostgreSQL 18 English manual: catalog-pg-amproc.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f