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PG.CENTER 连接 PostgreSQL 文档、百科与生态知识。由 Pigsty 维护。

Wiki / 运算符

<=(reltime,reltime)

less than or equal

当前阅读 PG 11·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
reltime
Right operand
reltime
Result type
bool
Implementing function
reltimele(reltime,reltime)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no
aliases
<=, <=(reltime,reltime)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
<=(reltime,reltime) → bool
source oid
570

版本定义 PG 11

less than or equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treereltime_ops2search
BRINreltime_minmax_ops2search

比较版本

完整来源事实

memberships

map[description:less than or equal family:reltime_ops family_slug:family-btree-reltime_ops left_type:reltime method:btree operator:<=(reltime,reltime) operator_slug:op-3c3d-reltime-reltime purpose:search result_type:bool right_type:reltime sort_family: sort_family_slug: strategy:2], map[description:less than or equal family:reltime_minmax_ops family_slug:family-brin-reltime_minmax_ops left_type:reltime method:brin operator:<=(reltime,reltime) operator_slug:op-3c3d-reltime-reltime purpose:search result_type:bool right_type:reltime sort_family: sort_family_slug: strategy:2]

operator

{"commutator":"\u003e=(reltime,reltime)","function":"reltimele(reltime,reltime)","hash_join":"f","kind":"b","left_type":"reltime","merge_join":"f","negator":"\u003e(reltime,reltime)","result_type":"bool","right_type":"reltime","symbol":"\u003c="}

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 11 · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0

正文语言: en · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0