类型: | bool |
默认: | on |
上下文: | user |
重新开始: | false |
允许或禁止查询规划器使用位图扫描计划类型。默认值是on
。
建议 [EN]
For interactive session use only when troubleshooting queries.
在 StackOverflow
在 pgsql-hackers
- Re: POC, WIP: OR-clause support for indexes
- Re: Seq scan instead of index scan querying single row from primary key on large table
- EXPLAIN IndexOnlyScan shows disabled when enable_indexonlyscan=on
- Re: EXPLAIN IndexOnlyScan shows disabled when enable_indexonlyscan=on
- Is it expected behavior index only scan shows "OPERATOR(pg_catalog." for EXPLAIN?