fix pv showByPatient show latest id

app/Models/PatVisit/PatVisitModel.php

@@ -30,7 +30,16 @@ class PatVisitModel extends BaseModel {
 	public function showByPatient($InternalPID) {
 		$rows = $this->select("*, patvisit.CreateDate as PVCreateDate, patdiag.CreateDate as PDCreateDate, patvisitadt.CreateDate as PVACreateDate")
 			->join('patdiag', 'patdiag.InternalPVID=patvisit.InternalPVID and patdiag.DelDate is null', 'left')
-			->join('patvisitadt', 'patvisitadt.InternalPVID=patvisit.InternalPVID', 'left')
+			->join('(SELECT a1.*
+          FROM patvisitadt a1
+          INNER JOIN (
+              SELECT InternalPVID, MAX(PVADTID) AS MaxID
+              FROM patvisitadt
+              GROUP BY InternalPVID
+          ) a2 ON a1.InternalPVID = a2.InternalPVID AND a1.PVADTID = a2.MaxID
+        ) AS patvisitadt',
+        'patvisitadt.InternalPVID = patvisit.InternalPVID',
+        'left')
 			->join('location', 'location.LocationID=patvisitadt.LocationID', 'left')
 			->where('patvisit.InternalPID',$InternalPID)->findAll();
 		return $rows;