java - How to export binary data fields from appengine datastore to other databases? -

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I was using Epzenin Python EpicPP to download / upload large data from my datastore. works great. When I did a download_data, all my data were in the CSV file. I have the MySamp properties (Sort Data on Datastore) which are saved in Base 64 encoding in the CSV file.

By default appcfg.py is import_transform: transform.blobproperty_from_base64 export_transform: base64.b64encode When we import data, the python code is to convert the magic object into a blob object.

I would like to use the generated CSV file and migrate to a point to migrate data by writing some scripts. Anyone have any idea how to read binary data and rebuild a hashp object? Which APIs will help?

Try reading using binary data. Do not forget to enter

See the "2.2 Object Output and Input" section for more information.

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