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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Datastore: empty lists are not reflected in 'client.put'","articleBody":"Related to https://github.com/googleapis/google-cloud-python/pull/3767\r\n\r\nCurrently, Sending an empty array results in the field not being set.\r\n\r\n```python\r\nfrom google.cloud import datastore\r\n\r\nds = datastore.Client()\r\n\r\nkey = ds.key('Test')\r\nentity = datastore.Entity(key=key)\r\nentity['children'] = []\r\nds.put(entity)\r\nprint(entity)\r\nvalue = ds.get(entity.key)\r\nprint(value)\r\n\r\nkey = ds.key('Test')\r\nentity = datastore.Entity(key=key)\r\nentity['children'] = ['A']\r\nds.put(entity)\r\nprint(entity)\r\nvalue = ds.get(entity.key)\r\nprint(value)\r\n```\r\n\r\nOutput:\r\n\r\n```\r\n\u003cEntity('Test', 5707090131681280) {'children': []}\u003e\r\n\u003cEntity('Test', 5707090131681280) {}\u003e\r\n\u003cEntity('Test', 5682274280407040) {'children': ['A']}\u003e\r\n\u003cEntity('Test', 5682274280407040) {'children': ['A']}\u003e\r\n```","author":{"url":"https://github.com/crwilcox","@type":"Person","name":"crwilcox"},"datePublished":"2018-10-22T20:40:02.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/6284/google-cloud-python/issues/6284"}