process_tracker_python-1 Add support for other relational databases

🐛 MySQL extracts return out of order

Two tests around returning extracts in specific orders are failing with
MySQL.  Trying to resolve.

Working on #1

Author: OpenDataAlex

process_tracker/process_tracker.py

@@ -117,7 +117,8 @@ def find_ready_extracts_by_filename(self, filename):
                                            .join(ExtractStatus)\
                                            .filter(Extract.extract_filename.like("%" + filename + "%"))\
                                            .filter(ExtractStatus.extract_status_name == 'ready') \
-                                           .order_by(Extract.extract_registration_date_time)
+                                           .order_by(Extract.extract_registration_date_time)\
+                                           .order_by(Extract.extract_id)
 
         for record in process_files:
             extract_files.append(join(record.location_path, record.extract_filename))

tests/test_process_tracker.py

@@ -134,7 +134,8 @@ def test_find_ready_extracts_by_filename_full(self):
 
     def test_find_ready_extracts_by_filename_partial(self):
         """
-        Testing that for the given partial filename, find the extracts, provided they are in 'ready' state.
+        Testing that for the given partial filename, find the extracts, provided they are in 'ready' state. Should return in
+        Ascending order.
         :return:
         """
         extract = ExtractTracker(process_run=self.process_tracker
@@ -153,7 +154,6 @@ def test_find_ready_extracts_by_filename_partial(self):
         session.commit()
 
         extract2.extract.extract_status_id = extract2.extract_status_ready
-        extract2.extract_registration_date_time = self.timestamp_converter(timestamp=datetime.now()) + timedelta(hours=1)
         session = Session.object_session(extract2.extract)
         session.commit()
 
@@ -186,7 +186,6 @@ def test_find_ready_extracts_by_filename_partial_not_descending(self):
         session.commit()
 
         extract2.extract.extract_status_id = extract2.extract_status_ready
-        extract2.extract_registration_date_time = self.timestamp_converter(timestamp=datetime.now()) + timedelta(hours=1)
         session = Session.object_session(extract2.extract)
         session.commit()