2022-08-26 19:07:59 +00:00
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---
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slug: /zh/operations/system-tables/settings_profile_elements
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---
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2021-10-27 07:45:01 +00:00
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# system.settings_profile_elements {#system_tables-settings_profile_elements}
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描述settings配置文件的内容:
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- 约束.
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- setting适用的角色和用户.
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- 父级 setting 配置文件.
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列信息:
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- `profile_name` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — Setting 配置文件名称.
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- `user_name` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 用户名称.
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- `role_name` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 角色名称.
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- `index` ([UInt64](../../sql-reference/data-types/int-uint.md)) — settings 配置文件元素的顺序编号.
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- `setting_name` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — Setting 名称.
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- `value` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — Setting 值.
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- `min` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — setting 最小值. 未设置则赋 `NULL`.
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- `max` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — setting 最大值. 未设置则赋 `NULL`.
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- `readonly` ([Nullable](../../sql-reference/data-types/nullable.md)([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges))) — 只允许读查询的配置文件.
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- `inherit_profile` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 此setting配置文件的父配置文件. 未设置则赋 `NULL`. 设置则将从其父配置文件继承所有设置的值和约束(`min`、`max`、`readonly`).
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