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Wiki / 运算符

*<(record,record)

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
record
Right operand
record
Result type
bool
Implementing function
record_image_lt(record,record)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no
aliases
*<, *<(record,record)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
*<(record,record) → bool
source oid
3190

版本定义 PG 18

less than

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treerecord_image_ops1search

比较版本

完整来源事实

memberships

map[description:less than family:record_image_ops family_slug:family-btree-record_image_ops left_type:record method:btree operator:*<(record,record) operator_slug:op-2a3c-record-record purpose:search result_type:bool right_type:record sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"*\u003e(record,record)","function":"record_image_lt(record,record)","hash_join":"f","kind":"b","left_type":"record","merge_join":"f","negator":"*\u003e=(record,record)","result_type":"bool","right_type":"record","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