| 类型: | bool |
| 默认: | on |
| 上下文: | user |
| 重新开始: | false |
允许或禁用查询规划器使用哈希聚集计划类型。默认值是on。
建议 [EN]
For interactive session use only when troubleshooting queries.
在 StackOverflow
在 pgsql-hackers
- Re: Todo: Teach planner to evaluate multiple windows in the optimal order
- Is select_outer_pathkeys_for_merge() too strict now we have Incremental Sorts?
- Re: Why enable_hashjoin Completely disables HashJoin
- [PATCH] Teach planner to further optimize sort in distinct
- Re: [PATCH] Teach planner to further optimize sort in distinct