SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function minus (children 1)
     ExpressionList (children 2)
      Function greatest (children 1)
       ExpressionList (children 2)
        Function today (children 1)
         ExpressionList
        Function plus (children 1)
         ExpressionList (children 2)
          Function yesterday (children 1)
           ExpressionList
          Literal UInt64_10
      Function today (children 1)
       ExpressionList