SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash32 (children 1)
       ExpressionList (children 1)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal Float64_1.2684
          Literal \'Float32\'
      Function toUInt32 (children 1)
       ExpressionList (children 1)
        Literal UInt64_3120514536
