update mysql.global_priv set priv=json_set(priv, '$.plugin', 'mysql_native_password', '$.authentication_string', password('foo')) where user='root';
Phase 1/8: Checking and upgrading mysql database
Processing databases
mysql
mysql.column_stats                                 OK
mysql.columns_priv                                 OK
mysql.db                                           OK
mysql.event                                        OK
mysql.func                                         OK
mysql.global_priv                                  OK
mysql.gtid_slave_pos                               OK
mysql.help_category                                OK
mysql.help_keyword                                 OK
mysql.help_relation                                OK
mysql.help_topic                                   OK
mysql.index_stats                                  OK
mysql.innodb_index_stats
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt
mysql.innodb_table_stats
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt
mysql.plugin                                       OK
mysql.proc                                         OK
mysql.procs_priv                                   OK
mysql.proxies_priv                                 OK
mysql.roles_mapping                                OK
mysql.servers                                      OK
mysql.table_stats                                  OK
mysql.tables_priv                                  OK
mysql.time_zone                                    OK
mysql.time_zone_leap_second                        OK
mysql.time_zone_name                               OK
mysql.time_zone_transition                         OK
mysql.time_zone_transition_type                    OK
mysql.transaction_registry
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt

Repairing tables
mysql.innodb_index_stats
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt
mysql.innodb_table_stats
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt
mysql.transaction_registry
Error    : Unknown storage engine 'InnoDB'
error    : Corrupt
Phase 2/8: Installing used storage engines... Skipped
Phase 3/8: Running 'mysql_fix_privilege_tables'
Phase 4/8: Fixing views
mysql.user                                         OK
sys.host_summary                                   OK
sys.host_summary_by_file_io                        OK
sys.host_summary_by_file_io_type                   OK
sys.host_summary_by_stages                         OK
sys.host_summary_by_statement_latency              OK
sys.host_summary_by_statement_type                 OK
sys.innodb_buffer_stats_by_schema                  OK
sys.innodb_buffer_stats_by_table                   OK
sys.innodb_lock_waits                              OK
sys.io_by_thread_by_latency                        OK
sys.io_global_by_file_by_bytes                     OK
sys.io_global_by_file_by_latency                   OK
sys.io_global_by_wait_by_bytes                     OK
sys.io_global_by_wait_by_latency                   OK
sys.latest_file_io                                 OK
sys.memory_by_host_by_current_bytes                OK
sys.memory_by_thread_by_current_bytes              OK
sys.memory_by_user_by_current_bytes                OK
sys.memory_global_by_current_bytes                 OK
sys.memory_global_total                            OK
sys.metrics                                        OK
sys.processlist                                    OK
sys.ps_check_lost_instrumentation                  OK
sys.schema_auto_increment_columns                  OK
sys.schema_index_statistics                        OK
sys.schema_object_overview                         OK
sys.schema_redundant_indexes                       OK
sys.schema_table_lock_waits                        OK
sys.schema_table_statistics                        OK
sys.schema_table_statistics_with_buffer            OK
sys.schema_tables_with_full_table_scans            OK
sys.schema_unused_indexes                          OK
sys.session                                        OK
sys.session_ssl_status                             OK
sys.statement_analysis                             OK
sys.statements_with_errors_or_warnings             OK
sys.statements_with_full_table_scans               OK
sys.statements_with_runtimes_in_95th_percentile    OK
sys.statements_with_sorting                        OK
sys.statements_with_temp_tables                    OK
sys.user_summary                                   OK
sys.user_summary_by_file_io                        OK
sys.user_summary_by_file_io_type                   OK
sys.user_summary_by_stages                         OK
sys.user_summary_by_statement_latency              OK
sys.user_summary_by_statement_type                 OK
sys.version                                        OK
sys.wait_classes_global_by_avg_latency             OK
sys.wait_classes_global_by_latency                 OK
sys.waits_by_host_by_latency                       OK
sys.waits_by_user_by_latency                       OK
sys.waits_global_by_latency                        OK
sys.x$host_summary                                 OK
sys.x$host_summary_by_file_io                      OK
sys.x$host_summary_by_file_io_type                 OK
sys.x$host_summary_by_stages                       OK
sys.x$host_summary_by_statement_latency            OK
sys.x$host_summary_by_statement_type               OK
sys.x$innodb_buffer_stats_by_schema                OK
sys.x$innodb_buffer_stats_by_table                 OK
sys.x$innodb_lock_waits                            OK
sys.x$io_by_thread_by_latency                      OK
sys.x$io_global_by_file_by_bytes                   OK
sys.x$io_global_by_file_by_latency                 OK
sys.x$io_global_by_wait_by_bytes                   OK
sys.x$io_global_by_wait_by_latency                 OK
sys.x$latest_file_io                               OK
sys.x$memory_by_host_by_current_bytes              OK
sys.x$memory_by_thread_by_current_bytes            OK
sys.x$memory_by_user_by_current_bytes              OK
sys.x$memory_global_by_current_bytes               OK
sys.x$memory_global_total                          OK
sys.x$processlist                                  OK
sys.x$ps_digest_95th_percentile_by_avg_us          OK
sys.x$ps_digest_avg_latency_distribution           OK
sys.x$ps_schema_table_statistics_io                OK
sys.x$schema_flattened_keys                        OK
sys.x$schema_index_statistics                      OK
sys.x$schema_table_lock_waits                      OK
sys.x$schema_table_statistics                      OK
sys.x$schema_table_statistics_with_buffer          OK
sys.x$schema_tables_with_full_table_scans          OK
sys.x$session                                      OK
sys.x$statement_analysis                           OK
sys.x$statements_with_errors_or_warnings           OK
sys.x$statements_with_full_table_scans             OK
sys.x$statements_with_runtimes_in_95th_percentile  OK
sys.x$statements_with_sorting                      OK
sys.x$statements_with_temp_tables                  OK
sys.x$user_summary                                 OK
sys.x$user_summary_by_file_io                      OK
sys.x$user_summary_by_file_io_type                 OK
sys.x$user_summary_by_stages                       OK
sys.x$user_summary_by_statement_latency            OK
sys.x$user_summary_by_statement_type               OK
sys.x$wait_classes_global_by_avg_latency           OK
sys.x$wait_classes_global_by_latency               OK
sys.x$waits_by_host_by_latency                     OK
sys.x$waits_by_user_by_latency                     OK
sys.x$waits_global_by_latency                      OK
Phase 5/8: Fixing table and database names
Phase 6/8: Checking and upgrading tables
Processing databases
information_schema
mtr
mtr.global_suppressions                            OK
mtr.test_suppressions                              OK
performance_schema
sys
sys.sys_config                                     OK
test
Phase 7/8: uninstalling plugins
Phase 8/8: Running 'FLUSH PRIVILEGES'
OK
connect con1,localhost,root,foo,,,;
update mysql.global_priv set priv=json_compact(json_remove(priv, '$.plugin', '$.authentication_string'))  where user='root';
flush privileges;
set global event_scheduler=OFF;
# restart