> I need to implement paging for something similar to a twitter list of
> message in my app. I don't expect user to scroll more than 3, 4 pages in
> normal usage.
> What do you advice for this kind of paging. I read on the doc that skip()
> could be quite slow for large collection

> I have also another kind of paging where user can perform a query on a
> certain type of collection (e.g collection of user filtered by user name)
> and I need to page this results as well.
> I don't expect queries to return more than 1000 or so document but I need
> to page them 10 by 10 on the app
> What would be appropriate as well for this kind of paging ?

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> Time ranges. Twitter and fb both use time range paging for their feeds, so
> you say sort by time desc and then limit by 20 and then get the ts of the
> last object and use that as the skip range for the next 20. It works well.

> But skip() will be no problem on 1000 documents what it means by skip
> being slow is when you start paging 1000000 documents.

> On 25 April 2012 16:09, Pierre Guillaume Herveou <pgherv...@gmail.com>wrote:

>> Hi guys, I need your advice for different kind of pagings

>> I need to implement paging for something similar to a twitter list of
>> message in my app. I don't expect user to scroll more than 3, 4 pages in
>> normal usage.
>> What do you advice for this kind of paging. I read on the doc that skip()
>> could be quite slow for large collection

>> I have also another kind of paging where user can perform a query on a
>> certain type of collection (e.g collection of user filtered by user name)
>> and I need to page this results as well.
>> I don't expect queries to return more than 1000 or so document but I need
>> to page them 10 by 10 on the app
>> What would be appropriate as well for this kind of paging ?

>> --
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>> "mongodb-user" group.
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> so for the feed query you would do something like that right ?

> db.feeds.find({ "time": {$lt: lastFeed.time} }).sort( { time : -1 } )
> .limit(20)

> On Wednesday, April 25, 2012 5:13:51 PM UTC+2, Sammaye wrote:

>> Time ranges. Twitter and fb both use time range paging for their feeds,
>> so you say sort by time desc and then limit by 20 and then get the ts of
>> the last object and use that as the skip range for the next 20. It works
>> well.

>> But skip() will be no problem on 1000 documents what it means by skip
>> being slow is when you start paging 1000000 documents.

>> On 25 April 2012 16:09, Pierre Guillaume Herveou <pgherv...@gmail.com>wrote:

>>> Hi guys, I need your advice for different kind of pagings

>>> I need to implement paging for something similar to a twitter list of
>>> message in my app. I don't expect user to scroll more than 3, 4 pages in
>>> normal usage.
>>> What do you advice for this kind of paging. I read on the doc that
>>> skip() could be quite slow for large collection

>>> I have also another kind of paging where user can perform a query on a
>>> certain type of collection (e.g collection of user filtered by user name)
>>> and I need to page this results as well.
>>> I don't expect queries to return more than 1000 or so document but I
>>> need to page them 10 by 10 on the app
>>> What would be appropriate as well for this kind of paging ?

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