| 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归并连接计划类型。默认值是on。
建议 [EN]
For interactive session use only when troubleshooting queries.
在 StackOverflow
在 pgsql-hackers
- Re: Improving worst-case merge join performance with often-null foreign key
- Memory leak in incremental sort re-scan
- Re: Why enable_hashjoin Completely disables HashJoin
- Re: Improve the performance of nested loop join in the case of partitioned inner table
- Why enable_hashjoin Completely disables HashJoin