摘要:
2023-10-10 mysql-{mysql_rm_db}-失败后回滚-记录
mysql_rm_db
完整函数代码：
/**Drop all tables, routines and events in a database and the database itself.@param thd Thread handle@param db Database name in the case given by userIt's already validated and set to lower case(if needed) when we come here@param if_exists Don't give error if database doesn't exists@note We do a "best effort" - try to drop as much as possible.If dropping the database itself fails, we try to binlogthe drop of the tables we managed to do.@retval false OK (Database dropped)@retval true Error
*/bool mysql_rm_db(THD *thd, const LEX_CSTRING &db, bool if_exists) {ulong deleted_tables = 0;bool error = false;char path[2 * FN_REFLEN + 1
