Distincts to cut down on duplicate deletion attempts

apps/cli/executables/pexable/ws_annihilator/ws_annihilator/annihilator.py

@@ -486,7 +486,7 @@ class CalibrationAnnihilator(WorkflowAnnihilator):
         :return: a list of directories to clean
         """
         query = f"""
-        SELECT wr.results_dir
+        SELECT DISTINCT wr.results_dir
         FROM workflow_requests wr
             JOIN capability_executions ce ON ce.current_workflow_request_id = wr.workflow_request_id
             JOIN capability_requests cr ON cr.capability_request_id = ce.capability_request_id
@@ -521,7 +521,7 @@ class ImageAnnihilator(WorkflowAnnihilator):
         """
         # Fetch the completed imaging requests
         query = f"""
-        SELECT wr.results_dir
+        SELECT DISTINCT wr.results_dir
         FROM workflow_requests wr
             JOIN capability_executions ce ON ce.current_workflow_request_id = wr.workflow_request_id
             JOIN capability_requests cr ON cr.capability_request_id = ce.capability_request_id