@@(tsvector,tsquery)

text search match

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: tsvector
Right operand: tsquery
Result type: bool
Implementing function: ts_match_vq(tsvector,tsquery)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no
aliases: @@, @@(tsvector,tsquery)
manual semantics: Exact operand/result signature matched
signature: @@(tsvector,tsquery) → bool
source oid: 3636

版本定义 PG 18

text search match

Declared operator-family membership

Index AM	Family	Strategy	Purpose	Ordering family
GiST	tsvector_ops	1	search
GIN	tsvector_ops	1	search

比较版本

完整来源事实

memberships

map[description:text search match family:tsvector_ops family_slug:family-gist-tsvector_ops left_type:tsvector method:gist operator:@@(tsvector,tsquery) operator_slug:op-4040-tsvector-tsquery purpose:search result_type:bool right_type:tsquery sort_family: sort_family_slug: strategy:1], map[description:text search match family:tsvector_ops family_slug:family-gin-tsvector_ops left_type:tsvector method:gin operator:@@(tsvector,tsquery) operator_slug:op-4040-tsvector-tsquery purpose:search result_type:bool right_type:tsquery sort_family: sort_family_slug: strategy:1]

operator

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