feed_queries.js

// Find the total number of posts
db.getCollection('COLLECTION_NAME').find({}).count()

// Find posts published before a particular date (Ex: before April 4th, 2016)
db.getCollection('COLLECTION_NAME').find({"created_time" : {$lt: ISODate("2016-04-04T00:00:00.000Z")} })

// Find posts published after a particular date (Ex: after April 4th, 2016)
db.getCollection('COLLECTION_NAME').find({"created_time" : {$gt: ISODate("2016-04-04T00:00:00.000Z")} })

// Find posts published between two particular dates sorted in an ascending order (Ex: between April 4th, 2016 and May 4th, 2016) 
db.getCollection('COLLECTION_NAME').find({"created_time" : {$gt: ISODate("2016-04-04T00:00:00.000Z"), $lt: ISODate("2016-05-05T00:00:00.000Z")} }).sort({"created_time": 1})

// Find posts published by a particular member
db.getCollection('COLLECTION_NAME').find({"from.name" : "FULL_NAME"}).sort({"created_time": 1})

// Find posts by type (Ex: status posts. You can search by any other type in: ["video", "link", "photo", "event", "note", "album"] )
db.getCollection('COLLECTION_NAME').find({"type" : "status"})