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marcusdb/find large arrays in documents

Created June 19, 2016 20:11
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Find large arrays in documents
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find large arrays in documents
db.collection.aggregate( [
{ $unwind : "$l" },
{ $group : { _id : "$_id", len : { $sum : 1 } } },
{ $sort : { len : -1 } },
{ $limit : 25 }
] )
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