| Server IP : 185.86.78.101 / Your IP : 216.73.216.213 Web Server : Apache System : Linux 675867-vds-valikoshka1996.gmhost.pp.ua 5.4.0-150-generic #167-Ubuntu SMP Mon May 15 17:35:05 UTC 2023 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /www/server/mysql/mysql-test/r/ |
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Bug#25650399: DOWNGRADE FROM MYSQL 8.0 WITH WL#10128 TO 5.7 WILL CRASH SERVER ALTER TABLE mysql.server_cost ADD COLUMN default_value FLOAT GENERATED ALWAYS AS (cost_name) VIRTUAL; ALTER TABLE mysql.engine_cost ADD COLUMN default_value FLOAT GENERATED ALWAYS AS (cost_name) VIRTUAL; FLUSH OPTIMIZER_COSTS; mysql.columns_priv OK mysql.db OK mysql.engine_cost OK mysql.event OK mysql.func OK mysql.general_log OK mysql.gtid_executed OK mysql.help_category OK mysql.help_keyword OK mysql.help_relation OK mysql.help_topic OK mysql.innodb_index_stats OK mysql.innodb_table_stats OK mysql.ndb_binlog_index OK mysql.plugin OK mysql.proc OK mysql.procs_priv OK mysql.proxies_priv OK mysql.server_cost OK mysql.servers OK mysql.slave_master_info OK mysql.slave_relay_log_info OK mysql.slave_worker_info OK mysql.slow_log 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.user OK mtr.global_suppressions OK mtr.test_suppressions OK sys.sys_config OK SELECT * FROM mysql.server_cost; cost_name cost_value last_update comment disk_temptable_create_cost NULL # NULL disk_temptable_row_cost NULL # NULL key_compare_cost NULL # NULL memory_temptable_create_cost NULL # NULL memory_temptable_row_cost NULL # NULL row_evaluate_cost NULL # NULL SELECT * FROM mysql.engine_cost; engine_name device_type cost_name cost_value last_update comment default 0 io_block_read_cost NULL # NULL default 0 memory_block_read_cost NULL # NULL