Thanks for the responses everyone. We weren’t aware of the “gs:PagedUnique” WPS process. For now we’re going try to using PagedUnique in combination with DescribeFeatureType and see if it can match our requirements. I’ll get back to you if we decide to implement something extra.
···
From: andrea.aime@…403… [mailto:andrea.aime@…403…] On Behalf Of Andrea Aime
Sent: Saturday, 17 March 2018 20:27
To: Alex McKeown <a.mckeown@…3907…>
Cc: geoserver-devel@lists.sourceforge.net
Subject: Re: [Geoserver-devel] Available Filters Community Module Proposal
Hi Alex,
as other said, the functionality you’re proposing seems to be at least partially covered by two existing features in GeoServer:
- WFS DescribeFeatureType (list of attributes and their type)
- WPS process reporting unique values of an attribute
Is the module going to offer something further? Like, for example:
- Configuration reporting which attribute it’s best to filter (and not to filter) on, e.g., based on knowledge of which attributes are indexed in storage for example
- Soft configuration of which attributes are actually enumerated (the paged unique process is nice, but computing unique over a very large dataset can take forever)
Mind, don’t take this a a “no” on the module, a community module can overlap with core functionality, no problem there, it’s just for discussion sake
Cheers
Andrea
On Fri, Mar 16, 2018 at 2:01 AM, Alex McKeown <a.mckeown@…3907…> wrote:
Hi,
I think this may have been one of the posts that was missed because of the sourceforge mailing problems. I should add that we already have something similar running off a fork, though we need to make it much more generic. Any thoughts? Happy to discuss further.
Cheers,
Alex
From: Alex McKeown
Sent: Monday, 22 January 2018 15:10
To: ‘geoserver-devel@lists.sourceforge.net’ <geoserver-devel@lists.sourceforge.net>
Subject: Available Filters Community Module Proposal
Hi all,
I would like to propose a community module to add a RESTful interface for describing the filters available for a particular layer. This would entail two new request types, “getFilters”, and “getFilterValues”. A “getFilters” request would return a list of the available filters, with their names and types. A “getFilterValues” request would describe the valid values of a particular filter. This would make it easier for users to discover the filter functionality available to them.
Regards,
Alex
Alex McKeown
Software Engineer
Australian Ocean Data Network (AODN)
University of Tasmania
Private Bag 110
Hobart TAS 7001 Australia
E: A.McKeown@…3907…
W: https://portal.aodn.org.au
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