--- ./alertlisting.py.orig	2007-06-13 15:39:58.000000000 -0400
+++ ./alertlisting.py	2007-06-13 18:37:51.266424788 -0400
@@ -976,8 +976,15 @@
                 criteria2.append(criterion)
                 delete_criteria.append(criterion)
 
-            time_min = self.env.idmef_db.getValues(["alert.create_time/order_asc"], criteria2, limit=1)[0][0]
-            time_max = self.env.idmef_db.getValues(["alert.create_time/order_desc"], criteria2, limit=1)[0][0]
+            dbtype=self.env.config.idmef_database.getOptionValue("type", "mysql")
+	    if dbtype == "pgsql":
+		time_list = self.env.idmef_db.getValues(["alert.create_time/order_asc"], criteria2)
+		time_min = time_list[0][0]
+		for time_row in time_list:
+		    time_max = time_row [0]
+	    else:
+		time_min = self.env.idmef_db.getValues(["alert.create_time/order_asc"], criteria2, limit=1)[0][0]
+		time_max = self.env.idmef_db.getValues(["alert.create_time/order_desc"], criteria2, limit=1)[0][0]
           
             parameters = self._createAggregationParameters(aggregated_classification_values,
                                                            aggregated_source_values, aggregated_target_values, aggregated_analyzer_values)