<=(name,text)

less than or equal

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: name
Right operand: text
Result type: bool
Implementing function: nameletext(name,text)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no
aliases: <=, <=(name,text)
manual semantics: Source catalog description; no additional matching manual operator definition claimed
signature: <=(name,text) → bool
source oid: 256

版本定义 PG 18

less than or equal

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
B-tree	text_ops	2	search

比较版本

完整来源事实

memberships

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

operator

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

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f