<(time,time)
less than
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。
- Left operand
- time
- Right operand
- time
- Result type
- bool
- Implementing function
- time_lt(time,time)
- Operator kind
- Binary
- Hash join candidate
- no
- Merge join candidate
- no
- aliases
- <, <(time,time)
- manual semantics
- Source catalog description; no additional matching manual operator definition claimed
- signature
- <(time,time) → bool
- source oid
- 1110
版本定义 PG 18
less than
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| B-tree | time_ops | 1 | search | |
| BRIN | time_minmax_ops | 1 | search | |
| BRIN | time_minmax_multi_ops | 1 | search |
比较版本
完整来源事实
memberships
map[description:less than family:time_ops family_slug:family-btree-time_ops left_type:time method:btree operator:<(time,time) operator_slug:op-3c-time-time purpose:search result_type:bool right_type:time sort_family: sort_family_slug: strategy:1], map[description:less than family:time_minmax_ops family_slug:family-brin-time_minmax_ops left_type:time method:brin operator:<(time,time) operator_slug:op-3c-time-time purpose:search result_type:bool right_type:time sort_family: sort_family_slug: strategy:1], map[description:less than family:time_minmax_multi_ops family_slug:family-brin-time_minmax_multi_ops left_type:time method:brin operator:<(time,time) operator_slug:op-3c-time-time purpose:search result_type:bool right_type:time sort_family: sort_family_slug: strategy:1]
operator
{"commutator":"\u003e(time,time)","function":"time_lt(time,time)","hash_join":"f","kind":"b","left_type":"time","merge_join":"f","negator":"\u003e=(time,time)","result_type":"bool","right_type":"time","symbol":"\u003c"}来源引用
- Matching PostgreSQL source archive
- PostgreSQL 18 English manual: catalog-pg-operator.html
- PostgreSQL 18 English manual: catalog-pg-amop.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f