ALTER ROLE

Altera roles. Sintaxe:

ALTER ROLE [IF EXISTS] name1 [RENAME TO new_name |, name2 [,...]]
    [ON CLUSTER cluster_name]
    [DROP ALL PROFILES]
    [DROP ALL SETTINGS]
    [DROP PROFILES 'profile_name' [,...] ]
    [DROP SETTINGS variable [,...] ]
    [ADD|MODIFY SETTINGS variable [= value] [MIN [=] min_value] [MAX [=] max_value] [CONST|READONLY|WRITABLE|CHANGEABLE_IN_READONLY] | PROFILE 'profile_name'] [,...]
    [SET variable [= value] [MIN [=] min_value] [MAX [=] max_value] [CONST|READONLY|WRITABLE|CHANGEABLE_IN_READONLY] [,...] ]
    [ADD PROFILES 'profile_name' [,...] ]

SET variable = value é um alias para MODIFY SETTING variable = value: ele altera um único setting diretamente, mantendo o restante, ao contrário da cláusula SETTINGS sem modificador, que substitui toda a lista de settings e também remove todos os profiles herdados (parent). Parte de: ALTER Relacionado: CREATE ROLE, ALTER, SET ROLE, GRANT

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