brin/char_minmax_ops (class)
BRIN operator class for char; member of char_minmax_ops.
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 class
- Index AM
- BRIN
- Input type
- char
- Stored key type
- char
- Default class
- yes
- aliases
- char_minmax_ops, brin/char_minmax_ops
- classes
- map[default:t family:char_minmax_ops family_slug:family-brin-char_minmax_ops input_type:char key_type:char method:brin name:char_minmax_ops slug:class-brin-char_minmax_ops source_oid:]
- signature
- brin/char_minmax_ops
- source oid
- 未知
版本定义 PG 18
BRIN operator class for char; member of char_minmax_ops.
Family operator strategies
| Operator overload | Strategy | Purpose | Ordering family | Membership scope | Source description |
|---|---|---|---|---|---|
| <(char,char) | 1 | search | Class input pair | less than | |
| <=(char,char) | 2 | search | Class input pair | less than or equal | |
| =(char,char) | 3 | search | Class input pair | equal | |
| >=(char,char) | 4 | search | Class input pair | greater than or equal | |
| >(char,char) | 5 | search | Class input pair | greater than |
Family support functions
| Support number | Left type | Right type | Function signature | Result type |
|---|---|---|---|---|
| 1 | char | char | brin_minmax_opcinfo(internal) | internal |
| 2 | char | char | brin_minmax_add_value(internal,internal,internal,internal) | bool |
| 3 | char | char | brin_minmax_consistent(internal,internal,internal) | bool |
| 4 | char | char | brin_minmax_union(internal,internal,internal) | bool |
Classes in this family
| Class | Input type | Key type | Default |
|---|---|---|---|
| char_minmax_ops | char | char | yes |
比较版本
完整来源事实
class
{"default":"t","family":"char_minmax_ops","input_type":"char","key_type":"char","method":"brin","name":"char_minmax_ops"}operators
map[description:less than family:char_minmax_ops family_slug:family-brin-char_minmax_ops left_type:char method:brin operator:<(char,char) operator_slug:op-3c-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:char_minmax_ops family_slug:family-brin-char_minmax_ops left_type:char method:brin operator:<=(char,char) operator_slug:op-3c3d-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:2], map[description:equal family:char_minmax_ops family_slug:family-brin-char_minmax_ops left_type:char method:brin operator:=(char,char) operator_slug:op-3d-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:char_minmax_ops family_slug:family-brin-char_minmax_ops left_type:char method:brin operator:>=(char,char) operator_slug:op-3e3d-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:4], map[description:greater than family:char_minmax_ops family_slug:family-brin-char_minmax_ops left_type:char method:brin operator:>(char,char) operator_slug:op-3e-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:5]
support functions
map[family:char_minmax_ops family_slug:family-brin-char_minmax_ops function:brin_minmax_opcinfo(internal) left_type:char method:brin number:1 result_type:internal right_type:char], map[family:char_minmax_ops family_slug:family-brin-char_minmax_ops function:brin_minmax_add_value(internal,internal,internal,internal) left_type:char method:brin number:2 result_type:bool right_type:char], map[family:char_minmax_ops family_slug:family-brin-char_minmax_ops function:brin_minmax_consistent(internal,internal,internal) left_type:char method:brin number:3 result_type:bool right_type:char], map[family:char_minmax_ops family_slug:family-brin-char_minmax_ops function:brin_minmax_union(internal,internal,internal) left_type:char method:brin number:4 result_type:bool right_type:char]
来源引用
- Matching PostgreSQL source archive
- PostgreSQL 18 English manual: indexes-opclass.html
- PostgreSQL 18 English manual: catalog-pg-opclass.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