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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Because the postgis_extensions_upgrade() takes no arguments.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>It reads the latest version from postgis.config postgis-raster.config.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I suspect you installed 3.1 first and then 2.5 after. So 2.5 is considered the default.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> postgis-devel [mailto:postgis-devel-bounces@lists.osgeo.org] <b>On Behalf Of </b>Paul Ramsey<br><b>Sent:</b> Thursday, September 10, 2020 12:31 PM<br><b>To:</b> PostGIS Development Discussion <postgis-devel@lists.osgeo.org><br><b>Subject:</b> Re: [postgis-devel] Pg13 upgrade issues?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Further to this, since it's possible to install 2.5 on Pg13, I thought I'd check to see what a naive upgrade would look like, and it's this:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>postgis25=# alter extension postgis update to '3.1.0dev';<br>WARNING: unpackaging raster<br>WARNING: PostGIS Raster functionality has been unpackaged<br>HINT: type `SELECT postgis_extensions_upgrade();` to finish the upgrade. After upgrading, if you want to drop raster, run: DROP EXTENSION postgis_raster;<br>ALTER EXTENSION<br>postgis25=# SELECT postgis_extensions_upgrade();<br>NOTICE: Updating extension postgis from 3.1.0dev to 2.5.5dev<br>ERROR: extension "postgis" has no update path from version "3.1.0dev" to version "2.5.5dev"<br>CONTEXT: SQL statement "ALTER EXTENSION postgis UPDATE TO "2.5.5dev";"<br>PL/pgSQL function postgis_extensions_upgrade() line 68 at EXECUTE<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Why the order of upgrade version gets flipped around in postgis_extensions_upgrade() is a bit of a mystery to me.<o:p></o:p></p></div></div></div></div></body></html>