add offset in WfsDataServer (startIndex)

SE/se-lib/Api/WfsDataServer.php

@@ -47,11 +47,12 @@ class Api_WfsDataServer extends Api_WfsServerBase {
 		$maxFeatures = '10000';// TODO: Set Deafult Limit
 		$maxFeatures = V::get('MAXFEATURES', $maxFeatures, $_REQUEST, 'int');
 		$maxFeatures = V::get('maxFeatures', $maxFeatures, $_REQUEST, 'int');
+		$startIndex = V::get('startIndex', 0, $_REQUEST, 'int');// sql offset
 		$ogcFilter = V::get('Filter', '', $_REQUEST);
 		$sortBy = V::get('sortBy', '', $_REQUEST);
 		$srsname = V::get('SRSNAME', '', $_REQUEST);// eg. EPSG:4326
 		if (count($typeEx) == 2) {
-			return $this->getFeatures($typeEx[0], $typeEx[1], $maxFeatures, $srsname, $ogcFilter, $sortBy);
+			return $this->getFeatures($typeEx[0], $typeEx[1], $maxFeatures, $srsname, $ogcFilter, $sortBy, $startIndex);
 		} else {
 			throw new HttpException("Wrong param TYPENAME", 400);
 		}
@@ -74,7 +75,7 @@ class Api_WfsDataServer extends Api_WfsServerBase {
 		}
 	}
 
-	public function getFeatures($nsPrefix, $type, $maxFeatures, $srsname, $ogcFilter = '', $sortBy = '') {
+	public function getFeatures($nsPrefix, $type, $maxFeatures, $srsname, $ogcFilter = '', $sortBy = '', $startIndex = 0) {
 		$DBG = (V::get('DBG_GEO', '', $_GET) > 0);// TODO: Profiler
 		$typeName = "{$nsPrefix}:{$type}";
 		$acl = $this->getAclFromTypeName($typeName);
@@ -97,6 +98,7 @@ class Api_WfsDataServer extends Api_WfsServerBase {
 if($DBG){echo "ogcFilter(" . strlen($ogcFilter) . "): {$ogcFilter}\n";}
 		$searchParams = array();
 		$searchParams['limit'] = $maxFeatures;
+		$searchParams['limitstart'] = $startIndex;
 		if (!empty($sortBy)) {
 			$searchParams['sortBy'] = $sortBy;
 		} else {