↑↓ 选择↵ 打开⌫ 切换范围完整搜索

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

Wiki / 运算符

<=(int8,int4)

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
int8
Right operand
int4
Result type
bool
Implementing function
int84le(int8,int4)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no
aliases
<=, <=(int8,int4)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
<=(int8,int4) → bool
source oid
420

版本定义 PG 18

less than or equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treeinteger_ops2search
BRINinteger_minmax_ops2search
BRINinteger_minmax_multi_ops2search

比较版本

完整来源事实

memberships

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:less than or equal family:integer_minmax_ops family_slug:family-brin-integer_minmax_ops left_type:int8 method:brin 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:less than or equal family:integer_minmax_multi_ops family_slug:family-brin-integer_minmax_multi_ops left_type:int8 method:brin operator:<=(int8,int4) operator_slug:op-3c3d-int8-int4 purpose:search result_type:bool right_type:int4 sort_family: sort_family_slug: strategy:2]

operator

{"commutator":"\u003e=(int4,int8)","function":"int84le(int8,int4)","hash_join":"f","kind":"b","left_type":"int8","merge_join":"f","negator":"\u003e(int8,int4)","result_type":"bool","right_type":"int4","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