SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier t1.time
    Identifier t2.time
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t1.aliascol1
        Identifier t2.aliascol2
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier t1.time
    OrderByElement (children 1)
     Identifier t2.time