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Wiki / 运算符

<(int4,int2)

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
int4
Right operand
int2
Result type
bool
Implementing function
int42lt(int4,int2)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no
aliases
<, <(int4,int2)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
<(int4,int2) → bool
source oid
535

版本定义 PG 18

less than

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treeinteger_ops1search
BRINinteger_minmax_ops1search
BRINinteger_minmax_multi_ops1search

比较版本

完整来源事实

memberships

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 family:integer_minmax_ops family_slug:family-brin-integer_minmax_ops left_type:int4 method:brin 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 family:integer_minmax_multi_ops family_slug:family-brin-integer_minmax_multi_ops left_type:int4 method:brin operator:<(int4,int2) operator_slug:op-3c-int4-int2 purpose:search result_type:bool right_type:int2 sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"\u003e(int2,int4)","function":"int42lt(int4,int2)","hash_join":"f","kind":"b","left_type":"int4","merge_join":"f","negator":"\u003e=(int4,int2)","result_type":"bool","right_type":"int2","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