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28 lines
1.4 KiB
Markdown
28 lines
1.4 KiB
Markdown
---
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slug: /zh/operations/system-tables/grants
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---
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# system.grants {#system_tables-grants}
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授予ClickHouse用户帐户的权限.
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列信息:
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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))) — 分配给用户帐号的角色.
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- `access_type` ([Enum8](../../sql-reference/data-types/enum.md)) — ClickHouse用户帐号的接入参数.
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- `database` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 数据库名称.
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- `table` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 表名称.
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- `column` ([Nullable](../../sql-reference/data-types/nullable.md)([String](../../sql-reference/data-types/string.md))) — 被授予访问权限的列的名称.
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- `is_partial_revoke` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — 逻辑值. 它显示了某些特权是否被取消. 可能的值:
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- `0` — 该行描述了部分撤销.
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- `1` — 这一行描述了一个授权.
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- `grant_option` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — 被授予`WITH GRANT OPTION` 权限, 参见 [GRANT](../../sql-reference/statements/grant.md#grant-privigele-syntax).
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