diff --git a/src/admin/sources.php b/src/admin/sources.php
index 4d05616..4e45586 100644
--- a/src/admin/sources.php
+++ b/src/admin/sources.php
@@ -350,6 +350,8 @@ if ( isset($_GET['op']) )
 			{
 				// Create LogStream Object 
 				$stream = $tmpSource['ObjRef']->LogStreamFactory($tmpSource['ObjRef']);
+
+				// Verify if datasource is available
 				$res = $stream->Verify();
 				if ( $res != SUCCESS ) 
 				{
diff --git a/src/classes/logstream.class.php b/src/classes/logstream.class.php
index ed5f65d..8b76ece 100644
--- a/src/classes/logstream.class.php
+++ b/src/classes/logstream.class.php
@@ -53,6 +53,7 @@ abstract class LogStream {
 	protected $_current_uId = -1;
 	protected $_logStreamConfigObj = null;
 	protected $_arrProperties = null;
+	protected $_arrFilterProperties = null; // Helper Array to store all detected properties from Filterstring
 
 	/**
 	* Open the stream for read access.
@@ -619,7 +620,7 @@ abstract class LogStream {
 					// Split key and value
 					$tmpArray = explode(":", $myEntry, 2);
 //print_r (  $tmpArray );
-
+					
 					// Continue if empty filter!
 					if ( strlen(trim($tmpArray[FILTER_TMP_VALUE])) == 0 ) 
 						continue;
@@ -978,6 +979,10 @@ abstract class LogStream {
 						//done!
 					}
 
+					// Add to detected filter array
+					if ( $this->_arrFilterProperties == null || !in_array($tmpKeyName, $this->_arrFilterProperties) )
+						$this->_arrFilterProperties[] = $tmpKeyName; 
+
 					// Ignore if unknown filter!
 					if ( $tmpFilterType != FILTER_TYPE_UNKNOWN ) 
 					{
diff --git a/src/classes/logstreamdb.class.php b/src/classes/logstreamdb.class.php
index 10e9ca2..f11e2b7 100644
--- a/src/classes/logstreamdb.class.php
+++ b/src/classes/logstreamdb.class.php
@@ -554,14 +554,36 @@ class LogStreamDB extends LogStream {
 		// Perform if Connection is true!
 		if ( $this->_dbhandle != null ) 
 		{
-			// Create WHERE attachment
+			// --- Init Filters if necessary!
+			if ( $this->_filters == null )
+				$this->SetFilter( "" ); // This will init filters!
+			
+			// Create SQL Where Clause!
+			$this->CreateSQLWhereClause();
+			// ---
+
+			// --- Add default WHERE clause
+			if ( strlen($this->_SQLwhereClause) > 0 ) 
+				$szWhere = $this->_SQLwhereClause;
+			else 
+				$szWhere = ""; 
+			
+			// Add Datefilter if necessary!
 			if ( $nDateTimeStamp > 0 ) 
-				$szWhere = " WHERE UNIX_TIMESTAMP(" . $dbmapping[$szTableType]['DBMAPPINGS'][SYSLOG_DATE] . ") < " . $nDateTimeStamp; 
-			else
-				$szWhere = "";
+			{
+				if ( strlen($szWhere) > 0 ) 
+					$szWhere .= " AND "; 
+				else
+					$szWhere = " WHERE "; 
+				
+				// Append Date Filter!
+				$szWhere .= " UNIX_TIMESTAMP(" . $dbmapping[$szTableType]['DBMAPPINGS'][SYSLOG_DATE] . ") < " . $nDateTimeStamp; 
+			}
+			// ---
 
 			// DELETE DATA NOW!
 			$szSql = "DELETE FROM " .  $this->_logStreamConfigObj->DBTableName . $szWhere; 
+			OutputDebugMessage("LogStreamDB|CleanupLogdataByDate: Created SQL Query:<br>" . $szSql, DEBUG_DEBUG);
 			$myQuery = mysql_query($szSql, $this->_dbhandle);
 			if ($myQuery)
 			{
@@ -956,9 +978,21 @@ class LogStreamDB extends LogStream {
 
 			// Reset WhereClause
 			$this->_SQLwhereClause = "";
+			
+			// --- Build Query Array
+			$arrayQueryProperties = $this->_arrProperties; 
+			if ( isset($this->_arrFilterProperties) && $this->_arrFilterProperties != null)
+			{
+				foreach ( $this->_arrFilterProperties as $filterproperty )
+				{
+					if ( $this->_arrProperties == null || !in_array($filterproperty, $this->_arrProperties) ) 
+						$arrayQueryProperties[] = $filterproperty; 
+				}
+			}
+			// --- 
 
 			// Loop through all available properties
-			foreach( $this->_arrProperties as $propertyname )
+			foreach( $arrayQueryProperties as $propertyname )
 			{
 				// If the property exists in the filter array, we have something to filter for ^^!
 				if ( array_key_exists($propertyname, $this->_filters) )
diff --git a/src/classes/logstreampdo.class.php b/src/classes/logstreampdo.class.php
index 5929402..2e507f5 100644
--- a/src/classes/logstreampdo.class.php
+++ b/src/classes/logstreampdo.class.php
@@ -652,14 +652,36 @@ class LogStreamPDO extends LogStream {
 		// Perform if Connection is true!
 		if ( $this->_dbhandle != null ) 
 		{
-			// Create WHERE attachment
+			// --- Init Filters if necessary!
+			if ( $this->_filters == null )
+				$this->SetFilter( "" ); // This will init filters!
+			
+			// Create SQL Where Clause!
+			$this->CreateSQLWhereClause();
+			// ---
+
+			// --- Add default WHERE clause
+			if ( strlen($this->_SQLwhereClause) > 0 ) 
+				$szWhere = $this->_SQLwhereClause;
+			else 
+				$szWhere = ""; 
+
+			// Add Datefilter if necessary!
 			if ( $nDateTimeStamp > 0 ) 
-				$szWhere = " WHERE " . $dbmapping[$szTableType]['DBMAPPINGS'][SYSLOG_DATE] . " < '" . date('Y-m-d H:i:s', $nDateTimeStamp) . "'"; 
-			else
-				$szWhere = "";
+			{
+				if ( strlen($szWhere) > 0 ) 
+					$szWhere .= " AND "; 
+				else
+					$szWhere = " WHERE "; 
+				
+				// Append Date Filter!
+				$szWhere .= $dbmapping[$szTableType]['DBMAPPINGS'][SYSLOG_DATE] . " < '" . date('Y-m-d H:i:s', $nDateTimeStamp) . "'"; 
+			}
+			// --- 
 
 			// DELETE DATA NOW!
 			$szSql = "DELETE FROM " .  $this->_logStreamConfigObj->DBTableName . $szWhere; 
+			OutputDebugMessage("LogStreamPDO|CleanupLogdataByDate: Created SQL Query:<br>" . $szSql, DEBUG_DEBUG);
 			$myQuery = $this->_dbhandle->query($szSql);
 			if ( $myQuery ) 
 			{
@@ -1126,8 +1148,20 @@ class LogStreamPDO extends LogStream {
 			// Reset WhereClause
 			$this->_SQLwhereClause = "";
 
+			// --- Build Query Array
+			$arrayQueryProperties = $this->_arrProperties; 
+			if ( isset($this->_arrFilterProperties) && $this->_arrFilterProperties != null)
+			{
+				foreach ( $this->_arrFilterProperties as $filterproperty )
+				{
+					if ( $this->_arrProperties == null || !in_array($filterproperty, $this->_arrProperties) ) 
+						$arrayQueryProperties[] = $filterproperty; 
+				}
+			}
+			// --- 
+
 			// Loop through all available properties
-			foreach( $this->_arrProperties as $propertyname )
+			foreach( $arrayQueryProperties as $propertyname )
 			{
 				// If the property exists in the filter array, we have something to filter for ^^!
 				if ( array_key_exists($propertyname, $this->_filters) )