Created
April 29, 2015 19:54
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Exam Mongo
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var recipient = "jeff.skilling@enron.com"; | |
db.messages.aggregate([ | |
{ | |
"$match": { | |
"headers.From": "andrew.fastow@enron.com" | |
} | |
}, | |
{ | |
"$unwind": "$headers.To" | |
}, | |
{ | |
"$match": { | |
"$or": [ | |
{"headers.To": recipient}, | |
{"headers.Bcc": {"$regex":".*" + recipient + ".*"}}, | |
{"headers.Cc": {"$regex":".*" + recipient + ".*"}} | |
] | |
} | |
}, | |
{ | |
"$group": { | |
_id: null, | |
count: { $sum: 1 } | |
} | |
} | |
]) | |
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db.messages.aggregate([ | |
{"$project": {"to":"$headers.To", "from":"$headers.From"}}, | |
{"$unwind": "$to"}, | |
{"$group": {"_id":"$_id", "from": {"$first": "$from"},"to": {"$addToSet": "$to"}}}, | |
{"$unwind": "$to"}, | |
{"$group": {"_id": {"from":"$from", "to": "$to"}, "count": {"$sum": 1 }}}, | |
{"$sort": {"count": -1}} | |
]); |
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