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furushchev/count_msg_types.js

Last active May 4, 2018 05:56
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以下のコマンドをダウンロードして、実行してみてください。→ mongo fetch15/jsk_robot_lifelog --quiet count_msg_types.js
Raw
count_msg_types.js
shellPrint(db.fetch15.aggregate([
// {'$limit': 100}, // limit message if it takes too long time.
{'$project': {'_id': 0, '_meta.stored_type': 1}},
{'$group': {'_id': '$_meta.stored_type', 'count': {'$sum': 1}}}
]));
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