SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Identifier c1
    Identifier c2
    Identifier c3
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 3)
    Identifier c1
    Identifier c2
    Identifier c3
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier c1
    OrderByElement (children 1)
     Identifier c2
    OrderByElement (children 1)
     Identifier c3