SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayJoin (alias x) (children 1)
     ExpressionList (children 1)
      Literal Array_[UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_0, UInt64_1, UInt64_2, UInt64_2, UInt64_3, UInt64_4, UInt64_12, NULL]
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
