btree/int2_ops (class)
B-tree operator class for int2; member of integer_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
- int2
- Stored key type
- Same as input type (catalog zero)
- Default class
- yes
- aliases
- int2_ops, btree/int2_ops
- signature
- btree/int2_ops
- source oid
- 1979
版本定义 PG 18
B-tree operator class for int2; member of integer_ops.
Family operator strategies
| Operator overload | Strategy | Purpose | Ordering family | Membership scope | Source description |
|---|---|---|---|---|---|
| <(int2,int2) | 1 | search | Class input pair | less than | |
| <=(int2,int2) | 2 | search | Class input pair | less than or equal | |
| =(int2,int2) | 3 | search | Class input pair | equal | |
| >=(int2,int2) | 4 | search | Class input pair | greater than or equal | |
| >(int2,int2) | 5 | search | Class input pair | greater than | |
| <(int2,int4) | 1 | search | Family member | less than | |
| <=(int2,int4) | 2 | search | Family member | less than or equal | |
| =(int2,int4) | 3 | search | Family member | equal | |
| >=(int2,int4) | 4 | search | Family member | greater than or equal | |
| >(int2,int4) | 5 | search | Family member | greater than | |
| <(int2,int8) | 1 | search | Family member | less than | |
| <=(int2,int8) | 2 | search | Family member | less than or equal | |
| =(int2,int8) | 3 | search | Family member | equal | |
| >=(int2,int8) | 4 | search | Family member | greater than or equal | |
| >(int2,int8) | 5 | search | Family member | greater than | |
| <(int4,int4) | 1 | search | Family member | less than | |
| <=(int4,int4) | 2 | search | Family member | less than or equal | |
| =(int4,int4) | 3 | search | Family member | equal | |
| >=(int4,int4) | 4 | search | Family member | greater than or equal | |
| >(int4,int4) | 5 | search | Family member | greater than | |
| <(int4,int2) | 1 | search | Family member | less than | |
| <=(int4,int2) | 2 | search | Family member | less than or equal | |
| =(int4,int2) | 3 | search | Family member | equal | |
| >=(int4,int2) | 4 | search | Family member | greater than or equal | |
| >(int4,int2) | 5 | search | Family member | greater than | |
| <(int4,int8) | 1 | search | Family member | less than | |
| <=(int4,int8) | 2 | search | Family member | less than or equal | |
| =(int4,int8) | 3 | search | Family member | equal | |
| >=(int4,int8) | 4 | search | Family member | greater than or equal | |
| >(int4,int8) | 5 | search | Family member | greater than | |
| <(int8,int8) | 1 | search | Family member | less than | |
| <=(int8,int8) | 2 | search | Family member | less than or equal | |
| =(int8,int8) | 3 | search | Family member | equal | |
| >=(int8,int8) | 4 | search | Family member | greater than or equal | |
| >(int8,int8) | 5 | search | Family member | greater than | |
| <(int8,int2) | 1 | search | Family member | less than | |
| <=(int8,int2) | 2 | search | Family member | less than or equal | |
| =(int8,int2) | 3 | search | Family member | equal | |
| >=(int8,int2) | 4 | search | Family member | greater than or equal | |
| >(int8,int2) | 5 | search | Family member | greater than | |
| <(int8,int4) | 1 | search | Family member | less than | |
| <=(int8,int4) | 2 | search | Family member | less than or equal | |
| =(int8,int4) | 3 | search | Family member | equal | |
| >=(int8,int4) | 4 | search | Family member | greater than or equal | |
| >(int8,int4) | 5 | search | Family member | greater than |
Family support functions
| Support number | Left type | Right type | Function signature | Result type |
|---|---|---|---|---|
| 1 | int2 | int2 | btint2cmp(int2,int2) | int4 |
| 2 | int2 | int2 | btint2sortsupport(internal) | void |
| 4 | int2 | int2 | btequalimage(oid) | bool |
| 6 | int2 | int2 | btint2skipsupport(internal) | void |
| 1 | int2 | int4 | btint24cmp(int2,int4) | int4 |
| 1 | int2 | int8 | btint28cmp(int2,int8) | int4 |
| 3 | int2 | int8 | in_range(int2,int2,int8,bool,bool) | bool |
| 3 | int2 | int4 | in_range(int2,int2,int4,bool,bool) | bool |
| 3 | int2 | int2 | in_range(int2,int2,int2,bool,bool) | bool |
| 1 | int4 | int4 | btint4cmp(int4,int4) | int4 |
| 2 | int4 | int4 | btint4sortsupport(internal) | void |
| 4 | int4 | int4 | btequalimage(oid) | bool |
| 6 | int4 | int4 | btint4skipsupport(internal) | void |
| 1 | int4 | int8 | btint48cmp(int4,int8) | int4 |
| 1 | int4 | int2 | btint42cmp(int4,int2) | int4 |
| 3 | int4 | int8 | in_range(int4,int4,int8,bool,bool) | bool |
| 3 | int4 | int4 | in_range(int4,int4,int4,bool,bool) | bool |
| 3 | int4 | int2 | in_range(int4,int4,int2,bool,bool) | bool |
| 1 | int8 | int8 | btint8cmp(int8,int8) | int4 |
| 2 | int8 | int8 | btint8sortsupport(internal) | void |
| 4 | int8 | int8 | btequalimage(oid) | bool |
| 6 | int8 | int8 | btint8skipsupport(internal) | void |
| 1 | int8 | int4 | btint84cmp(int8,int4) | int4 |
| 1 | int8 | int2 | btint82cmp(int8,int2) | int4 |
| 3 | int8 | int8 | in_range(int8,int8,int8,bool,bool) | bool |
Classes in this family
比较版本
完整来源事实
class
{"default":"t","family":"integer_ops","input_type":"int2","key_type":"none","method":"btree","name":"int2_ops"}classes
map[default:t family:integer_ops family_slug:family-btree-integer_ops input_type:int2 key_type:none method:btree name:int2_ops slug:class-btree-int2_ops source_oid:1979], map[default:t family:integer_ops family_slug:family-btree-integer_ops input_type:int4 key_type:none method:btree name:int4_ops slug:class-btree-int4_ops source_oid:1978], map[default:t family:integer_ops family_slug:family-btree-integer_ops input_type:int8 key_type:none method:btree name:int8_ops slug:class-btree-int8_ops source_oid:3124]
operators
map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<(int2,int2) operator_slug:op-3c-int2-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<=(int2,int2) operator_slug:op-3c3d-int2-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:=(int2,int2) operator_slug:op-3d-int2-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>=(int2,int2) operator_slug:op-3e3d-int2-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>(int2,int2) operator_slug:op-3e-int2-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<(int2,int4) operator_slug:op-3c-int2-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<=(int2,int4) operator_slug:op-3c3d-int2-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:=(int2,int4) operator_slug:op-3d-int2-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>=(int2,int4) operator_slug:op-3e3d-int2-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>(int2,int4) operator_slug:op-3e-int2-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<(int2,int8) operator_slug:op-3c-int2-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:<=(int2,int8) operator_slug:op-3c3d-int2-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:=(int2,int8) operator_slug:op-3d-int2-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>=(int2,int8) operator_slug:op-3e3d-int2-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int2 method:btree operator:>(int2,int8) operator_slug:op-3e-int2-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<(int4,int4) operator_slug:op-3c-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<=(int4,int4) operator_slug:op-3c3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:=(int4,int4) operator_slug:op-3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>=(int4,int4) operator_slug:op-3e3d-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>(int4,int4) operator_slug:op-3e-int4-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<(int4,int2) operator_slug:op-3c-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<=(int4,int2) operator_slug:op-3c3d-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:=(int4,int2) operator_slug:op-3d-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>=(int4,int2) operator_slug:op-3e3d-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>(int4,int2) operator_slug:op-3e-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<(int4,int8) operator_slug:op-3c-int4-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:<=(int4,int8) operator_slug:op-3c3d-int4-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:=(int4,int8) operator_slug:op-3d-int4-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>=(int4,int8) operator_slug:op-3e3d-int4-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int4 method:btree operator:>(int4,int8) operator_slug:op-3e-int4-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<(int8,int8) operator_slug:op-3c-int8-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<=(int8,int8) operator_slug:op-3c3d-int8-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:=(int8,int8) operator_slug:op-3d-int8-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>=(int8,int8) operator_slug:op-3e3d-int8-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>(int8,int8) operator_slug:op-3e-int8-int8 purpose:search result_type:bool right_type:int8 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<(int8,int2) operator_slug:op-3c-int8-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<=(int8,int2) operator_slug:op-3c3d-int8-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:=(int8,int2) operator_slug:op-3d-int8-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>=(int8,int2) operator_slug:op-3e3d-int8-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>(int8,int2) operator_slug:op-3e-int8-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:5], map[description:less than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<(int8,int4) operator_slug:op-3c-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:<=(int8,int4) operator_slug:op-3c3d-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:2], map[description:equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:=(int8,int4) operator_slug:op-3d-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>=(int8,int4) operator_slug:op-3e3d-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:4], map[description:greater than family:integer_ops family_slug:family-btree-integer_ops left_type:int8 method:btree operator:>(int8,int4) operator_slug:op-3e-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:5]
support functions
map[family:integer_ops family_slug:family-btree-integer_ops function:btint2cmp(int2,int2) left_type:int2 method:btree number:1 result_type:int4 right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btint2sortsupport(internal) left_type:int2 method:btree number:2 result_type:void right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btequalimage(oid) left_type:int2 method:btree number:4 result_type:bool right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btint2skipsupport(internal) left_type:int2 method:btree number:6 result_type:void right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btint24cmp(int2,int4) left_type:int2 method:btree number:1 result_type:int4 right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btint28cmp(int2,int8) left_type:int2 method:btree number:1 result_type:int4 right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int2,int2,int8,bool,bool) left_type:int2 method:btree number:3 result_type:bool right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int2,int2,int4,bool,bool) left_type:int2 method:btree number:3 result_type:bool right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int2,int2,int2,bool,bool) left_type:int2 method:btree number:3 result_type:bool right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btint4cmp(int4,int4) left_type:int4 method:btree number:1 result_type:int4 right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btint4sortsupport(internal) left_type:int4 method:btree number:2 result_type:void right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btequalimage(oid) left_type:int4 method:btree number:4 result_type:bool right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btint4skipsupport(internal) left_type:int4 method:btree number:6 result_type:void right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btint48cmp(int4,int8) left_type:int4 method:btree number:1 result_type:int4 right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:btint42cmp(int4,int2) left_type:int4 method:btree number:1 result_type:int4 right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int4,int4,int8,bool,bool) left_type:int4 method:btree number:3 result_type:bool right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int4,int4,int4,bool,bool) left_type:int4 method:btree number:3 result_type:bool right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int4,int4,int2,bool,bool) left_type:int4 method:btree number:3 result_type:bool right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:btint8cmp(int8,int8) left_type:int8 method:btree number:1 result_type:int4 right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:btint8sortsupport(internal) left_type:int8 method:btree number:2 result_type:void right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:btequalimage(oid) left_type:int8 method:btree number:4 result_type:bool right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:btint8skipsupport(internal) left_type:int8 method:btree number:6 result_type:void right_type:int8], map[family:integer_ops family_slug:family-btree-integer_ops function:btint84cmp(int8,int4) left_type:int8 method:btree number:1 result_type:int4 right_type:int4], map[family:integer_ops family_slug:family-btree-integer_ops function:btint82cmp(int8,int2) left_type:int8 method:btree number:1 result_type:int4 right_type:int2], map[family:integer_ops family_slug:family-btree-integer_ops function:in_range(int8,int8,int8,bool,bool) left_type:int8 method:btree number:3 result_type:bool right_type:int8]
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