SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 5)
    Function CAST (alias value) (children 1)
     ExpressionList (children 2)
      Literal Float64_nan
      Literal \'Float32\'
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier value
      Identifier value
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier value
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier value
    Function equals (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier value
      Identifier value
    Function equals (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier value
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier value
