=(xid8,xid8)

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: xid8
Right operand: xid8
Result type: bool
Implementing function: xid8eq(xid8,xid8)
Operator kind: Binary
Hash join candidate: yes
Merge join candidate: yes
aliases: =, =(xid8,xid8)
manual semantics: Source catalog description; no additional matching manual operator definition claimed
signature: =(xid8,xid8) → bool
source oid: 5068

版本定义 PG 18

equal

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
B-tree	xid8_ops	3	search
Hash	xid8_ops	1	search

比较版本

完整来源事实

memberships

map[description:equal family:xid8_ops family_slug:family-btree-xid8_ops left_type:xid8 method:btree operator:=(xid8,xid8) operator_slug:op-3d-xid8-xid8 purpose:search result_type:bool right_type:xid8 sort_family: sort_family_slug: strategy:3], map[description:equal family:xid8_ops family_slug:family-hash-xid8_ops left_type:xid8 method:hash operator:=(xid8,xid8) operator_slug:op-3d-xid8-xid8 purpose:search result_type:bool right_type:xid8 sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"=(xid8,xid8)","function":"xid8eq(xid8,xid8)","hash_join":"t","kind":"b","left_type":"xid8","merge_join":"t","negator":"\u003c\u003e(xid8,xid8)","result_type":"bool","right_type":"xid8","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