Method reset_db

sql/sql_class.h:2612–2619

Set the current database; use shallow copy of C-string. @param new_db a pointer to the new database name. @param new_db_len length of the new database name. @note This operation just sets {db, db_length}. Switching the current database usually involves other actions, like switching other database attributes including security context. In the future, this operation wil

    will be made private and more convenient interface will be provided.
  */
  void reset_db(char *new_db, size_t new_db_len)
  {
    db= new_db;
    db_length= new_db_len;
#ifdef HAVE_PSI_THREAD_INTERFACE
    PSI_THREAD_CALL(set_thread_db)(new_db, static_cast<int>(new_db_len));
#endif
  }
  /*
    Copy the current database to the argument. Use the current arena to
    allocate memory for a deep copy: current database may be freed after