SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 6)
   ExpressionList (children 2)
    Identifier MobilePhoneModel
    Function uniq (alias u) (children 1)
     ExpressionList (children 1)
      Identifier UserID
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits_s3
   Function notEquals (children 1)
    ExpressionList (children 2)
     Identifier MobilePhoneModel
     Literal \'\'
   ExpressionList (children 1)
    Identifier MobilePhoneModel
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier u
   Literal UInt64_10