SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier clear_column2
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier i
    OrderByElement (children 1)
     Identifier s
