SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function subtractSeconds (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2021-02-15\'
      Literal UInt64_1