| 类型: | real |
| 默认: | 0.0025 |
| 最低限度: | 0 |
| 最大: | 1.79769e+308 |
| 上下文: | user |
| 重新开始: | false |
设置规划器对于一次查询中处理每个操作符或函数的代价估计。默认值是 0.0025。
建议 [EN]
Decrease this slightly to make your database favor indexes slightly more.
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