#27448: GIS distance queries use deprecated ST_distance_sphere -------------------------------------+------------------------------------- Reporter: Christian von | Owner: Mjumbe Roques | Poe Type: | Status: assigned Cleanup/optimization | Component: GIS | Version: master Severity: Normal | Resolution: Keywords: GIS distance | Triage Stage: Accepted deprecated ST_distance_sphere | Has patch: 1 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 1 Easy pickings: 0 | UI/UX: 0 -------------------------------------+-------------------------------------
Comment (by Christian von Roques): I've added a test to the test-suite to check the PostGIS version dependent behaviour. However, my first concise implementation evaluates `spatial_version` in `PostGISOperations.__init__`, which in turn evaluates an SQL-query, which confuses quite a few of Django's tests (e.g. `backends.tests.PostgreSQLTests.test_nodb_connection`). To appease the test-suite I modified my implementation to defer evaluation of `spatial_version` using `@cached_property`, which works, but is quite a bit larger. — My branch https://github.com/roques/django/tree/postgis22_deprecated contains both, the nice and the deferred/lazy implementation. What is the policy for cases like this? -- Ticket URL: <https://code.djangoproject.com/ticket/27448#comment:8> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/064.67256df2358c325f52fef684a90da8c7%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.