InsertQuery   (children 2)
 Identifier t0
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function file (children 1)
        ExpressionList (children 3)
         Subquery (children 1)
          SelectWithUnionQuery (children 1)
           ExpressionList (children 1)
            SelectQuery (children 3)
             ExpressionList (children 1)
              Identifier name
             TablesInSelectQuery (children 1)
              TablesInSelectQueryElement (children 1)
               TableExpression (children 1)
                TableIdentifier random_filename
             Literal UInt64_1
         Literal \'BSONEachRow\'
         Literal \'c0 Int32, c1 Tuple()\'
