[openstreetmap/openstreetmap-website] paginated browsing has disappeared from user changeset list (#1323)

Simon Poole simon at poole.ch
Thu Oct 13 09:49:01 UTC 2016


That would not really solve Martins problem, for example if you want to
find a changeset that in the middle of the "7000".

The reasonably lightweight solution is to have a (collapsible) date
selector for selecting either changeset before the data or after
(changing the sorting), which wouldn't require changing the basic way
things work.

@Martin the paging has been gone for roughly 3 years or so, it is a bit
late complaining now.

Simon


Am 13.10.2016 um 11:26 schrieb Colin Smale:
>
> how about having the option of sorting the list by ascending date, so
> the oldest come first? 
>
>  
>
>  
>
> On 2016-10-13 11:22, Tom Hughes wrote:
>
>> Unfortunately they don't "work" for the poor server that in order to
>> find page 7000 has to search through the preceding 6999*pagesize
>> changesets.
>>
>> Basically traditional paging is not sustainable on large datasets
>> because each page is slower and slower to access as it has to read
>> through the data for all the previous pages first and the simple fact
>> is that no real person is actually going to browse through 7000 pages!
>>
>> Presumably what you are really doing is binary searching by manually
>> editing the URL to find the page which covers a particular date range
>> you are interested in. Which puts you in the 0.001% of users that
>> would have any idea how to do that.
>>
>> The real solution, if I am right about what you are doing, is to add
>> better methods to search for changesets by a given user in a given
>> date range (which the server can do efficiently) not to bring back
>> paging.
>>
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>>
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