[PostGIS] #5619: ST_Intersection, side location conflict on Postgis 3.4

PostGIS trac at osgeo.org
Sun Nov 26 20:14:29 PST 2023


#5619: ST_Intersection, side location conflict on Postgis 3.4
--------------------------------+---------------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  pramsey
      Type:  defect             |     Status:  new
  Priority:  medium             |  Milestone:  PostGIS 3.4.2
 Component:  postgis            |    Version:  3.4.x
Resolution:                     |   Keywords:
--------------------------------+---------------------------
Comment (by Lars Aksel Opsahl):

 Replying to [comment:3 robe]:
 > Replying to [comment:2 Lars Aksel Opsahl]:
 > >
 > > The server with Postgis 3.4.0 was built from scratch with (Ubuntu
 22.04.3 LTS) about 2 weeks ago, with latest off everything , but I will
 ask them if it's possible to get upgrade on geos of course on that server
 .
 > >
 > How did you manage to get your 3.3 with a newer GEOS or did you compile
 that GEOS yourself?
 >

 The server with 3.3 is local mac laptop, I may ave used brew to update
 gdal after installing postgis some months ago.

 > > By the way when checking PostGIS_Full_Version() could it there be
 message about geos that maybe it should be upgraded to a newer version or
 something like that ?
 > >
 > > Thanks
 > >
 >
 > I don't think we can do that with GEOS, because people are allowed to
 run any GEOS that is supported for that version of PostGIS.
 >
 > Also GEOS tends to be a system library shipped with the OS, so it's hard
 for a user to upgrade it short of not using the distro and compiling their
 own GEOS.
 >
 > Also it's hard to know what the latest (even micro version) is of GEOS
 since PostGIS and GEOS have slightly different release cycles. GEOS we try
 to release a new minor version about a month before the PostGIS that
 exposes features of that version comes out, but the micro releases of each
 are detached and happen whenever a sufficient number of bugs or serious
 bugs piles up for the respective software.
 >
 > The best we can maybe put in that note, is "You are using a GEOS version
 that does not support all the functions of this release.  As such several
 functions will be disabled"
 >
 > But none of that is going to help with this ticket since your issue is
 you are running an out of date geos for your micros
 >
 > Latest micros are listed here - https://libgeos.org/usage/download/

 I think just a text message indicating that geos is out off date would be
 a very nice help, since this is a problem on newly installed Ubuntu
 (libgeos-c1v5/jammy,now 3.10.2-1 amd64 [installed,automatic]) servers
 where only apt is used to install postgis with out doing any compiling of
 any code.

 Thanks
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5619#comment:4>
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