[postgis-devel] [postgis-users] PSC Vote: Keep or drop Flatgeobuf in PostGIS 3.2.0

[Regina Obe]

FWIW it’s already in GDAL since 3.1 and yah GDAL is a better home since it doesn’t have the  1GB PostgreSQL limitation

 

https://gdal.org/drivers/vector/flatgeobuf.html

 

Also here are OpenLayers and Leaflet examples for those not familiar with the format

 

OpenLayers: https://flatgeobuf.org/examples/openlayers/

 

 

Leaflet: https://flatgeobuf.org/examples/leaflet/

 

Thanks,

Regina

 

From: postgis-users [mailto:postgis-users-bounces at lists.osgeo.org] On Behalf Of Darafei "Kom?pa" Praliaskouski
Sent: Wednesday, November 24, 2021 3:27 PM
To: PostGIS Development Discussion <postgis-devel at lists.osgeo.org>
Cc: PostGIS Users Discussion <postgis-users at lists.osgeo.org>
Subject: Re: [postgis-users] [postgis-devel] PSC Vote: Keep or drop Flatgeobuf in PostGIS 3.2.0

 

Hi,

I have not seen flatgeobuf in the wild, and I believe it can be safely removed. 

 

The current implementation is impaired by Postgres' life choices of 1GB limit and thus not usable for any data, just size-limited subset. ogr2ogr seems like a better suited place for it to reside.

 

I'm -0 on adding flatgeobuf to core, and -1 on releasing with known crashers. This would converge to "remove if nobody can fix crashers".

 

 

On Wed, Nov 24, 2021 at 11:10 PM Regina Obe <lr at pcorp.us <mailto:lr at pcorp.us> > wrote:

This is a PSC vote, but we would like some feedback on this from packagers
and users as such comments will sway our vote.

We have two blockers that center around the new FlatGeoBuf format.

https://trac.osgeo.org/postgis/ticket/5005  (this one is easily
replicatable)

https://trac.osgeo.org/postgis/ticket/5014 (this one I can only replicate
with the cowbuilder setup Bas Cowenberg provided)

both I think are manifestations of the same problem how the header is
derived and what it's doing with numeric and geometry fields.

I've taken a stab at troubleshooting and fixing, but did not have much luck.
That said, if anyone is willing to help fix that would be great and fix
within a 1 to 2 week time period.

If not I feel that we really need to take it out of our PostGIS 3.2.0
release (which will be going on to 3.2.0beta2).

I'd like to release PostGIS 3.2.0beta2 in about a week or so with flatgeobuf
fixed or removed.  If removed, we'll  push flatgeobuf to PostGIS 3.3.0
cycle.

Thanks,
Regina


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