InsertQuery   (children 2)
 Function file (children 1)
  ExpressionList (children 1)
   Identifier a.csv
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier madness_02735
    ExpressionList (children 1)
     OrderByElement (children 1)
      Function tuple (children 1)
       ExpressionList (children 1)
        Asterisk
