@?(jsonb,jsonpath)

jsonpath exists

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: jsonb
Right operand: jsonpath
Result type: bool
Implementing function: jsonb_path_exists_opr(jsonb,jsonpath)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no
aliases: @?, @?(jsonb,jsonpath)
manual semantics: Exact operand/result signature matched
signature: @?(jsonb,jsonpath) → bool
source oid: 4012

版本定义 PG 18

jsonpath exists

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
GIN	jsonb_ops	15	search
GIN	jsonb_path_ops	15	search

比较版本

完整来源事实

memberships

map[description:jsonpath exists family:jsonb_ops family_slug:family-gin-jsonb_ops left_type:jsonb method:gin operator:@?(jsonb,jsonpath) operator_slug:op-403f-jsonb-jsonpath purpose:search result_type:bool right_type:jsonpath sort_family: sort_family_slug: strategy:15], map[description:jsonpath exists family:jsonb_path_ops family_slug:family-gin-jsonb_path_ops left_type:jsonb method:gin operator:@?(jsonb,jsonpath) operator_slug:op-403f-jsonb-jsonpath purpose:search result_type:bool right_type:jsonpath sort_family: sort_family_slug: strategy:15]

operator

{"commutator":"","function":"jsonb_path_exists_opr(jsonb,jsonpath)","hash_join":"f","kind":"b","left_type":"jsonb","merge_join":"f","negator":"","result_type":"bool","right_type":"jsonpath","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