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Wiki / 运算符

=(aclitem,aclitem)

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
aclitem
Right operand
aclitem
Result type
bool
Implementing function
aclitemeq(aclitem,aclitem)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
no
aliases
=, =(aclitem,aclitem)
manual semantics
Exact operand/result signature matched
signature
=(aclitem,aclitem) → bool
source oid
974

版本定义 PG 18

equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
Hashaclitem_ops1search

比较版本

完整来源事实

memberships

map[description:equal family:aclitem_ops family_slug:family-hash-aclitem_ops left_type:aclitem method:hash operator:=(aclitem,aclitem) operator_slug:op-3d-aclitem-aclitem purpose:search result_type:bool right_type:aclitem sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"=(aclitem,aclitem)","function":"aclitemeq(aclitem,aclitem)","hash_join":"t","kind":"b","left_type":"aclitem","merge_join":"f","negator":"","result_type":"bool","right_type":"aclitem","symbol":"="}

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