SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function xxHash64 (children 1)
       ExpressionList (children 1)
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal Float64_1.2684
          Literal \'Float32\'
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Literal UInt64_6662491266811474554
