Method add_table_to_list

sql/sql_parse.cc:8106–8258

*/

TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
					     Table_ident *table,
					     const LEX_CSTRING *alias,
					     ulong table_options,
					     thr_lock_type lock_type,
					     enum_mdl_type mdl_type,
					     List<Index_hint> *index_hints_arg,
                                             List<String> *partition_names,
                                             LEX_STRING *option)
{
  DBUG_ENTER("add_table_to_list");
  DBUG_PRINT("enter", ("Table '%s' (%p)  Select %p (%u)",
                        (alias ? alias->str : table->table.str),
                        table,
                        this, select_number));
  DBUG_ASSERT(!is_service_select  || (table_options & TL_OPTION_SEQUENCE));

  if (unlikely(!table))
    DBUG_RETURN(0);				// End of memory
  if (!(table_options & TL_OPTION_ALIAS) &&
      unlikely(Lex_ident_table::check_name(table->table, FALSE)))
  {
    my_error(ER_WRONG_TABLE_NAME, MYF(0), table->table.str);
    DBUG_RETURN(0);
  }

  if (unlikely(table->is_derived_table() == FALSE && table->db.str &&
               !(table_options & TL_OPTION_TABLE_FUNCTION) &&
               Lex_ident_db::check_name_with_error(table->db)))
    DBUG_RETURN(0);

  Lex_ident_db db{0, 0};
  bool fqtn= false;
  LEX *lex= thd->lex;
  if (table->db.str)
  {
    fqtn= TRUE;
    db= Lex_ident_db(table->db);
  }
  else if (!lex->with_cte_resolution && lex->copy_db_to(&db))
    DBUG_RETURN(0);
  else
    fqtn= FALSE;
  bool info_schema= (db.is_null() || db.is_empty())
	            ? false : is_infoschema_db(&db);
  if (!table->sel && info_schema &&
      (table_options & TL_OPTION_UPDATING) &&
      /* Special cases which are processed by commands itself */
      lex->sql_command != SQLCOM_CHECK &&
      lex->sql_command != SQLCOM_CHECKSUM)
  {
    my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
             thd->security_ctx->priv_user,
             thd->security_ctx->priv_host,
             INFORMATION_SCHEMA_NAME.str);
    DBUG_RETURN(0);
  }