using memory storage for sql

app.py

@@ -154,11 +154,19 @@ docs = convert_files_to_docs(dir_path=doc_dir,
 # %% Document Store
 
 print('---> Creating document store ...')
+# # custom path for sql file
 # document_store = FAISSDocumentStore(embedding_dim=128,
 #                                     faiss_index_factory_str="Flat",
 #                                     sql_url=f"sqlite:///{sql_file}")
+
+# In memory database
 document_store = FAISSDocumentStore(embedding_dim=128,
-                                    faiss_index_factory_str="Flat")
+                                    faiss_index_factory_str="Flat",
+                                    sql_url=f"sqlite://")
+                                    
+# # default path for sql file
+# document_store = FAISSDocumentStore(embedding_dim=128,
+#                                     faiss_index_factory_str="Flat")