SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Function cityHash64 (children 1)
       ExpressionList (children 1)
        Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mass_table_312