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-- source include/no_valgrind_without_big.inc -- source include/mysql_upgrade_preparation.inc --echo --echo Bug#25650399: DOWNGRADE FROM MYSQL 8.0 WITH WL#10128 TO 5.7 --echo WILL CRASH SERVER --echo # Add columns and check that upgrade script drops them 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; # This will crash server without fix FLUSH OPTIMIZER_COSTS; --exec $MYSQL_UPGRADE --skip-verbose --force 2>&1 # Mask out the content of the last_update column --replace_column 3 # SELECT * FROM mysql.server_cost; --replace_column 5 # SELECT * FROM mysql.engine_cost; --source include/mysql_upgrade_cleanup.inc