diff --git a/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java b/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
index ac3fc82..3f87586 100644
--- a/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
+++ b/src/main/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQL.java
@@ -106,6 +106,7 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 			Set<String> requestedTableField = query.getRequestedTableField();
 			RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
 			
+			logger.trace("Going to request the following query: {}", sql);
 			ResultSet resultSet = statement.executeQuery(sql);
 			
 			while (resultSet.next()) {
@@ -207,6 +208,7 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 			// List<String> requestedTableField = query.getRequestedTableField();
 			RecordToDBFields recordToDBMapper = query.getRecordToDBMapper();
 			
+			logger.trace("Going to request the following query: {}", sql);
 			ResultSet resultSet = statement.executeQuery(sql);
 			
 			String tableFieldORderingProperty = recordToDBMapper.getTableField(orderingProperty);
@@ -318,6 +320,8 @@ public class AccountingPersistenceQueryPostgreSQL implements AccountingPersisten
 			String sql = query.getDinstinctValuesQuery();
 			
 			SortedSet<String> providersIds = new TreeSet<>();
+			
+			logger.trace("Going to request the following query: {}", sql);
 			ResultSet resultSet = statement.executeQuery(sql);
 			
 			while (resultSet.next()) {
diff --git a/src/test/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQLTest.java b/src/test/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQLTest.java
index 8068d70..cefe4b9 100644
--- a/src/test/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQLTest.java
+++ b/src/test/java/org/gcube/accounting/analytics/persistence/postgresql/AccountingPersistenceQueryPostgreSQLTest.java
@@ -189,6 +189,7 @@ public class AccountingPersistenceQueryPostgreSQLTest extends ContextTest {
 				logger.debug("{}", numberedFilter);
 			}
 			
+			logger.debug("----Only first 3 results");
 			numberedFilters = accountingPersistenceQueryPostgreSQL.getFilterValues(clz, temporalConstraint, filters, key, 3);
 			for(NumberedFilter numberedFilter  : numberedFilters) {
 				logger.debug("{}", numberedFilter);