@>(tsquery,tsquery)
contains
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_mcontains(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
- 3693
版本定义 PG 18
contains
Declared operator-family membership
| Index AM | Family | Strategy | Purpose | Ordering family |
|---|---|---|---|---|
| GiST | tsquery_ops | 7 | search |
比较版本
完整来源事实
memberships
map[description:contains family:tsquery_ops family_slug:family-gist-tsquery_ops left_type:tsquery method:gist operator:@>(tsquery,tsquery) operator_slug:op-403e-tsquery-tsquery purpose:search result_type:bool right_type:tsquery sort_family: sort_family_slug: strategy:7]
operator
{"commutator":"\u003c@(tsquery,tsquery)","function":"tsq_mcontains(tsquery,tsquery)","hash_join":"f","kind":"b","left_type":"tsquery","merge_join":"f","negator":"","result_type":"bool","right_type":"tsquery","symbol":"@\u003e"}来源引用
- Matching PostgreSQL source archive
- PostgreSQL 18 English manual: catalog-pg-operator.html
- PostgreSQL 18 English manual: catalog-pg-amop.html
- PostgreSQL 18 English manual: functions-textsearch.html
- 固定 PostgreSQL 源码归档
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f