CreateQuery modified_tab (children 3)
 Identifier modified_tab
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier number
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 4)
           ExpressionList (children 1)
            Identifier number
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier num_tab
           ExpressionList (children 1)
            OrderByElement (children 1)
             Identifier number
           Literal Int64_-10
