diff --git a/src/main/java/org/gcube/dataaccess/algorithms/drmalgorithms/SubmitQuery.java b/src/main/java/org/gcube/dataaccess/algorithms/drmalgorithms/SubmitQuery.java
index 6e0ded8..f2104d3 100644
--- a/src/main/java/org/gcube/dataaccess/algorithms/drmalgorithms/SubmitQuery.java
+++ b/src/main/java/org/gcube/dataaccess/algorithms/drmalgorithms/SubmitQuery.java
@@ -552,7 +552,7 @@ public class SubmitQuery extends StandardLocalExternalAlgorithm {
 				// sf, config.getPersistencePath());
 
 				result = mgt
-						.submitQuery(query, dbconnection);
+						.submitQuery(query, dbconnection, config.getPersistencePath());
 			}
 
 			if (driverInfo.toLowerCase().contains("mysql")) {
@@ -563,7 +563,7 @@ public class SubmitQuery extends StandardLocalExternalAlgorithm {
 				// sf, config.getPersistencePath());
 
 				result = mgt
-						.submitQuery(query, dbconnection);
+						.submitQuery(query, dbconnection, config.getPersistencePath());
 			}
 
 			if (result == null) {
@@ -575,7 +575,8 @@ public class SubmitQuery extends StandardLocalExternalAlgorithm {
 
 			HashMap<String, String> mapResult = new HashMap<String, String>();
 			mapResult = mgt.getMapQueryResult();
-
+//			System.out.println("map size alg with header: " + mapResult.size());
+		
 			String encoded = null;
 			encoded = new String(mapResult.get("HEADERS").getBytes(), "UTF-8");
 
@@ -594,8 +595,8 @@ public class SubmitQuery extends StandardLocalExternalAlgorithm {
 						.getBytes(), "UTF-8");
 
 				// // check the encoded value
-				// AnalysisLogger.getLogger().debug(
-				// "In RandomSampleOnTable->string encoded: " + encoded);
+//				 AnalysisLogger.getLogger().debug(
+//				 "In RandomSampleOnTable->string encoded: " + encoded);
 
 				PrimitiveType val1 = new PrimitiveType(String.class.getName(),
 						encoded, PrimitiveTypes.STRING, "Row", "Row");
@@ -603,16 +604,16 @@ public class SubmitQuery extends StandardLocalExternalAlgorithm {
 				// //check value contained in map
 				// String value = (String) val1.getContent();
 				//
-				// AnalysisLogger.getLogger().debug(
-				// "In RandomSampleOnTable->value: " + value);
+//				 AnalysisLogger.getLogger().debug(
+//				 "In RandomSampleOnTable->value: " + value);
 			}
 
 			// to add the file
-			// PrimitiveType fileResult = new
-			// PrimitiveType(File.class.getName(),
-			// mgt.getFileQueryResult(), PrimitiveTypes.FILE, "File",
-			// "File");
-			// mapResults.put("File", fileResult);
+			 PrimitiveType fileResult = new
+			 PrimitiveType(File.class.getName(),
+			 mgt.getFileQueryResult(), PrimitiveTypes.FILE, "File",
+			 "File");
+			 mapResults.put("File", fileResult);
 		}
 		return mapResults;
 	}