geqo
Enables or disables genetic query optimization. This is on by default. It is usually best not to turn it off in production; the geqo_threshold variable provides more granular control of GEQO.
英文手册覆盖始于 PostgreSQL 7.4. 来源历史与运行验证各自保留独立版本边界。
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。
- boot val
- on
- category
- Query Tuning / Genetic Query Optimizer
- context
- user
- documented
- true
- enumvals
- 未知
- extra desc
- This algorithm attempts to do planning without exhaustive searching.
- lang
- en
- max val
- 未知
- metadata version
- 18
- min val
- 未知
- name
- geqo
- short desc
- Enables genetic query optimization.
- source
- pg-settings-source-snapshot
- unit
- 未知
- vartype
- bool
版本定义 PG 18
Enables or disables genetic query optimization. This is on by default. It is usually best not to turn it off in production; the geqo_threshold variable provides more granular control of GEQO.
比较版本
来源引用
定义来源
center · PostgreSQL 18 · english-manuals:a085b3909fb4480b1f8793f92b5132617763545afeff5fb3c365c7d47c6a606c
正文语言: en · english-manuals:a085b3909fb4480b1f8793f92b5132617763545afeff5fb3c365c7d47c6a606c