SelectWithUnionQuery (children 1)
 ExpressionList (children 3)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Literal UInt64_1
  SelectWithUnionQuery (children 1)
   ExpressionList (children 4)
    SelectQuery (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
    SelectQuery (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
    SelectQuery (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
    SelectQuery (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
  SelectQuery (children 1)
   ExpressionList (children 1)
    Literal UInt64_1
