WL#14303: More granular privilege control of the FLUSH operations
Affects: Server-8.0 — Status: Complete
Provide separate privilege(s) to allow customers to execute the following statements: FLUSH OPTIMIZER_COSTS FLUSH STATUS FLUSH USER_RESOURCES FLUSH TABLES Without the need for the RELOAD privilege.
FR2: FLUSH OPTIMIZER_COSTS will be allowed if the new dynamic FLUSH_OPTIMIZER_COSTS privilege is granted FR3: FLUSH STATUS will be allowed if the new dynamic FLUSH_STATUS privilege is granted FR4: FLUSH USER_RESOURCES will be allowed if the new dynamic FLUSH_USER_RESOURCES is granted FR5: FLUSH TABLES will be allowed if the new dynamic FLUSH_TABLES privilege is granted. FR6: RELOAD privilege will continue to allow all of the above operations it currently does for backward compatibility. FR7: At upgrade time, if none of the existing user accounts is granted FLUSH_OPTIMIZER_COSTS, FLUSH_USER_RESOURCES, FLUSH_TABLES or FLUSH_STATUS these will be granted to all the current holders of the RELOAD privilege. FR8: mysqladmin flush-hosts will first try TRUNCATE and end here if it succeeds. If it fails it will try FLUSH HOSTS as it does now. FR9: the deprecated COM_REFRESH RPC command will not be extended to check the new privs.
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