<@(tsquery,tsquery)

is contained by

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: tsquery
Right operand: tsquery
Result type: bool
Implementing function: tsq_mcontained(tsquery,tsquery)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no
aliases: <@, <@(tsquery,tsquery)
manual semantics: Exact operand/result signature matched
signature: <@(tsquery,tsquery) → bool
source oid: 3694

版本定义 PG 18

is contained by

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
GiST	tsquery_ops	8	search

比较版本

完整来源事实

memberships

map[description:is contained by family:tsquery_ops family_slug:family-gist-tsquery_ops left_type:tsquery method:gist operator:<@(tsquery,tsquery) operator_slug:op-3c40-tsquery-tsquery purpose:search result_type:bool right_type:tsquery sort_family: sort_family_slug: strategy:8]

operator

{"commutator":"@\u003e(tsquery,tsquery)","function":"tsq_mcontained(tsquery,tsquery)","hash_join":"f","kind":"b","left_type":"tsquery","merge_join":"f","negator":"","result_type":"bool","right_type":"tsquery","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