Method to_ident_db_normalized_with_error

sql/sql_class.h:1590–1596

Convert a LEX_CSTRING to a valid normalized database name: - validated with Lex_ident_fs::check_db_name() - optionally lower-cased when lower_case_table_names>0 The lower-cased copy is created on Query_arena::mem_root, when needed. @param name - The name to normalize. Must not be {NULL,0}. @return - {NULL,0} on EOM or a bad database name

                          or a good database name otherwise.
  */
  Lex_ident_db_normalized to_ident_db_normalized_with_error(
                                                      const LEX_CSTRING &name)
  {
    Lex_ident_db tmp= to_ident_db_opt_casedn_with_error(name,
                                                   lower_case_table_names > 0);
    return Lex_ident_db_normalized(tmp);
  }

  void set_query_arena(Query_arena *set);