btree/bool_ops (class)
B-tree operator class for bool; member of bool_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
- B-tree
- Input type
- bool
- Stored key type
- Same as input type (catalog zero)
- Default class
- yes
- aliases
- bool_ops, btree/bool_ops
- classes
- map[default:t family:bool_ops family_slug:family-btree-bool_ops input_type:bool key_type:none method:btree name:bool_ops slug:class-btree-bool_ops source_oid:]
- signature
- btree/bool_ops
- source oid
- 未知
版本定义 PG 18
B-tree operator class for bool; member of bool_ops.
Family operator strategies
| Operator overload | Strategy | Purpose | Ordering family | Membership scope | Source description |
|---|---|---|---|---|---|
| <(bool,bool) | 1 | search | Class input pair | less than | |
| <=(bool,bool) | 2 | search | Class input pair | less than or equal | |
| =(bool,bool) | 3 | search | Class input pair | equal | |
| >=(bool,bool) | 4 | search | Class input pair | greater than or equal | |
| >(bool,bool) | 5 | search | Class input pair | greater than |
Family support functions
Classes in this family
比较版本
完整来源事实
class
{"default":"t","family":"bool_ops","input_type":"bool","key_type":"none","method":"btree","name":"bool_ops"}operators
map[description:less than family:bool_ops family_slug:family-btree-bool_ops left_type:bool method:btree operator:<(bool,bool) operator_slug:op-3c-bool-bool purpose:search result_type:bool right_type:bool sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:bool_ops family_slug:family-btree-bool_ops left_type:bool method:btree operator:<=(bool,bool) operator_slug:op-3c3d-bool-bool purpose:search result_type:bool right_type:bool sort_family: sort_family_slug: strategy:2], map[description:equal family:bool_ops family_slug:family-btree-bool_ops left_type:bool method:btree operator:=(bool,bool) operator_slug:op-3d-bool-bool purpose:search result_type:bool right_type:bool sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:bool_ops family_slug:family-btree-bool_ops left_type:bool method:btree operator:>=(bool,bool) operator_slug:op-3e3d-bool-bool purpose:search result_type:bool right_type:bool sort_family: sort_family_slug: strategy:4], map[description:greater than family:bool_ops family_slug:family-btree-bool_ops left_type:bool method:btree operator:>(bool,bool) operator_slug:op-3e-bool-bool purpose:search result_type:bool right_type:bool sort_family: sort_family_slug: strategy:5]
support functions
map[family:bool_ops family_slug:family-btree-bool_ops function:btboolcmp(bool,bool) left_type:bool method:btree number:1 result_type:int4 right_type:bool], map[family:bool_ops family_slug:family-btree-bool_ops function:btboolskipsupport(internal) left_type:bool method:btree number:6 result_type:void right_type:bool], map[family:bool_ops family_slug:family-btree-bool_ops function:btequalimage(oid) left_type:bool method:btree number:4 result_type:bool right_type:bool]
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