MySQL 8.4 Release Notes
28.3.12 INFORMATION_SCHEMA ENABLED_ROLES 表
The ENABLED_ROLES table provides information about the roles that are enabled within the current session.
The ENABLED_ROLES table has these columns:
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ROLE_NAMEThe user name part of the granted role.
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ROLE_HOSTThe host name part of the granted role.
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IS_DEFAULTYESorNO, depending on whether the role is a default role. -
IS_MANDATORYYESorNO, depending on whether the role is mandatory.