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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Next supports going back. That's how I force the script to rerun.<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'>CREATE EXTENSION postgis VERSION "2.5.0";<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'>ALTER EXTENSION postgis UPDATE "2.5.0next";<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'>ALTER EXTENSION postgis UPDATE "2.5.0";<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'>As Steve said, let's not muck with the pg_catalog system. It's more useful to try to improve on the extension system than try to go thru the back door.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I'm sure other extension developers are similarly frustrated with the plethora of scripts. So it would be more useful to implement an idea of <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'>What I'll call "Virtual Scripts" which would essentially be a separate file with regex or something that define<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'>postgis-2.**--postgis-2.5.0.sql -> postgis-ANY—2.5.0.sql<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'>That would give us the freedom of defining extra scripts for special versions or just have single as we do now. <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'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I don't think you can have a 'next' as is because you still have to have a mechanism of defining all the migration paths.<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'>And you can't really use something like a function SELECT postgis_upgrade() if it has to interact with the file system to pull in a script file.<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'><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 style='margin-left:.5in'><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> Friday, October 06, 2017 8:55 AM<br><b>To:</b> PostGIS Development Discussion <postgis-devel@lists.osgeo.org><br><b>Subject:</b> Re: [postgis-devel] EXTENSION upgrade scripts are now symlinks<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><p class=MsoNormal style='margin-left:.5in'>Once you're at 'next' there's nowhere to go. You end up with having to upgrade from 'next' to 'next2' and so on :)<o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'>Anyways, agreed, I think we've long outgrown the extension version update mechanism, but I'm unsure of what the correct thing to recommend to pgsql team would be.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><br>P<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><p class=MsoNormal style='margin-left:.5in'>On Fri, Oct 6, 2017 at 3:16 AM, Sandro Santilli <<a href="mailto:strk@kbt.io" target="_blank">strk@kbt.io</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal style='margin-left:.5in'>On Fri, Oct 06, 2017 at 04:55:58AM -0400, Regina Obe wrote:<br>> Disregard my last question. I forgot we changed a while ago after we dropped support for PostgreSQL 9.0 to just use DO to handle the differences in versions and just have single upgrade script<br><br>Exactly, PostGIS makes it easier to upgrade !<br>The problem is only PostgreSQL which tries to make it harder..<br><br>I actually wonder if we could have a single --next script<br>so you could always do:<br><br> ALTER EXTENSION postgis UPDATE to 'next';<br><br>And then the script would re-set pg_extension version<br>to drop the "next" and keep the "final".<br><br>I know, very cowboysh, but I'm really sick of all those files,<br>even if they're now symlinks...<o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'><br>--strk;<br>_______________________________________________<br>postgis-devel mailing list<br><a href="mailto:postgis-devel@lists.osgeo.org">postgis-devel@lists.osgeo.org</a><br><a href="https://lists.osgeo.org/mailman/listinfo/postgis-devel" target="_blank">https://lists.osgeo.org/mailman/listinfo/postgis-devel</a><o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div></div></body></html>