| 类型: | bool |
| 默认: | off |
| 上下文: | postmaster |
| 重新开始: | true |
允许对系统表结构的修改。它可以被initdb使用。这个参数只能在服务器启动时设置。
建议 [EN]
Only available in single-user mode; this setting is for initdb and may be used in the future for upgrade-in-place.
在 StackOverflow
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