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49 lines
949 B
Markdown
49 lines
949 B
Markdown
---
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sidebar_position: 51
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sidebar_label: SET ROLE
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---
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# SET ROLE Statement
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Activates roles for the current user.
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``` sql
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SET ROLE {DEFAULT | NONE | role [,...] | ALL | ALL EXCEPT role [,...]}
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```
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## SET DEFAULT ROLE
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Sets default roles to a user.
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Default roles are automatically activated at user login. You can set as default only the previously granted roles. If the role isn’t granted to a user, ClickHouse throws an exception.
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``` sql
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SET DEFAULT ROLE {NONE | role [,...] | ALL | ALL EXCEPT role [,...]} TO {user|CURRENT_USER} [,...]
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```
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## Examples
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Set multiple default roles to a user:
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``` sql
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SET DEFAULT ROLE role1, role2, ... TO user
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```
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Set all the granted roles as default to a user:
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``` sql
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SET DEFAULT ROLE ALL TO user
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```
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Purge default roles from a user:
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``` sql
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SET DEFAULT ROLE NONE TO user
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```
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Set all the granted roles as default excepting some of them:
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``` sql
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SET DEFAULT ROLE ALL EXCEPT role1, role2 TO user
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```
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