SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Literal NULL
   ExpressionList (children 2)
    Function toUUID (children 1)
     ExpressionList (children 4)
      Literal NULL
      Literal \'0\'
      Literal NULL
      Literal \'0.0000065535\'
    Literal UInt64_1
