If you don't specify a sort column(s) you will get the features in FID
order which may or may not be fixed depending on the backend. I would
always set the sort attribute when paging.

Ian

On Mon, 20 Aug 2018 at 14:32, Maria Krommyda <mariakr1...@yahoo.gr> wrote:

> Hello Ian,
>
> Thank you very much for your fast response.
> I read the blog post that you mentioned and it helped greatly, but I still
> have one question.
>
> What I have not understood is if the sorting is mandatory, to ensure the
> smooth retrieval of the information, or not.
> I feel that the post implies that it is not mandatory, and some testing
> that I did seems to confirm that, but I would like to know for sure.
> I think that if not specified, the sorting is done by the back end on the
> first propertyName?
>
> Thank you once more for your time and the helpful information.
>
> Best regards,
> Maria.
>
>
> Στις 3:52 μ.μ. Δευτέρα, 20 Αυγούστου 2018, ο/η Ian Turton <
> ijtur...@gmail.com> έγραψε:
>
>
> This blog post (
> https://www.geo-solutions.it/blog/wfs-for-the-masses-adding-support-for-paging-and-sorting-in-geoserver/)
> seems to cover this. So it looks like since 2.1 GeoServer has allowed you
> to make queries like:
>
>
> http://localhost:8080/geoserver/topp/ows?service=WFS&version=1.0.0&request=GetFeature
> &typeName=topp:states&outputFormat=csv&propertyName=STATE_NAME,PERSONS
> &maxFeatures=10&startIndex=10&sortBy=PERSONS%20D
>
> I think the syntax changed for WFS 2.0 but I can't find a reference just
> now
>
> Ian
>
> On Mon, 20 Aug 2018 at 13:05, Maria Krommyda via Geoserver-users <
> geoserver-users@lists.sourceforge.net> wrote:
>
> Hello everyone,
>
> I have set up a GeoMesa Accumulo datastore and I would like to fetch the
> data using a limit and an offset (with some sorting if it is required) but
> I have not managed to find if this is possible or not.
> I have found only this
> http://osgeo-org.1560.x6.nabble.com/Specifying-an-offset-in-a-WFS-GetFeature-request-td3802601.html
>  but
> it is from 2009 and I cannot find any follow-up.
>
> Can you please let me know if this is possible or not?
> Or if there is any tutorial/documentation about what can be used as filter
> in a WFS GetFeature request?
>
> Thank you very much for you time.
>
> Best regards,
> Maria.
>
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>
> If you want to request a feature or an improvement, also see this:
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>
>
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>
>
>
> --
> Ian Turton
>
>
>

-- 
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Please make sure you read the following two resources before posting to this 
list:
- Earning your support instead of buying it, but Ian Turton: 
http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: 
http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: 
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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