How do I delete all entities from my local Google App-engine datastore?

Question

How can I remove all entities or reset the local datastore on my dev_appserver? I accidentally recursively called a function to create an entity when testing.

I am using the Google App-engine SDK on Vista with Python.

Solution 1

dev_appserver.py --clear_datastore=yes myapp

See here for more info.

Shorthand version:

dev_appserver.py -c

Solution 2

If you came here for a Java solution: Delete the following file:

{project root}/WEB-INF/appengine-generated/local_db.bin

Rebuild and restart your project.

Solution 3

dev_appserver.py [app directory] --clear_datastore true

you need to shutdown the server if its running at the time to free the ports

Solution 4

A useful thing to do is to always specify --datastore_path, e.g. --datastore_path=test.datastore.

To delete it you can then just delete the file. You can also keep copies and swap them in and out. And the store will persist over reboots (when /tmp/ the default location for it on Linux anyway, gets cleared)

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