Rename temporary tables to backups instead of dropping them

Temporary tables are renamed to backups to preserve data for potential future use. Comments are added to indicate eventual removal steps if these tables are no longer needed. This change ensures data safety during the interim period.

Author: VladimirFilonov

keep/api/models/db/migrations/versions/2025-03-07-17-49_aaec81b991bd.py

@@ -204,10 +204,19 @@ def upgrade():
 
     transfer_data()
 
-    op.drop_table("topologyservicedependency_tmp")
-    op.drop_table("topologyserviceapplication_tmp")
-    op.drop_table("topologyapplication_tmp")
-    op.drop_table("topologyservice_tmp")
+    # Let's do not drop this as backup for a while
+
+    op.rename_table('topologyapplication_tmp', 'topologyapplication_backup')
+    op.rename_table('topologyservice_tmp', 'topologyservice_backup')
+    op.rename_table('topologyserviceapplication_tmp', 'topologyserviceapplication_backup')
+    op.rename_table('topologyservicedependency_tmp', 'topologyservicedependency_backup')
+
+    # But after some time we will need to execute this:
+
+    # op.drop_table("topologyservicedependency_backup")
+    # op.drop_table("topologyserviceapplication_backup")
+    # op.drop_table("topologyapplication_backup")
+    # op.drop_table("topologyservice_backup")
 
 
 def downgrade():