SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function arraySum (children 1)
     ExpressionList (children 1)
      Identifier col1.a
    Function arrayMap (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function multiply (children 1)
         ExpressionList (children 2)
          Function multiply (children 1)
           ExpressionList (children 2)
            Identifier x
            Identifier x
          Literal UInt64_2
      Identifier col1.a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier nested
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
   Literal UInt64_5
