SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayDifference (alias x) (children 1)
     ExpressionList (children 1)
      Function array (children 1)
       ExpressionList (children 2)
        Function toDecimal32 (children 1)
         ExpressionList (children 2)
          Literal Float64_100.0000991821289
          Literal UInt64_0
        Literal Int64_-2147483647
