sadpandajoe commented on code in PR #43712:
URL: https://github.com/apache/superset/pull/43712#discussion_r4450216866


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UPDATING.md:
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@@ -2637,6 +2637,9 @@ Custom time ranges that use the "Now" or "Today" anchor 
(for the Start, End, or
 
 Charts and dashboards using these anchors will compute a different (correct) 
timestamp after upgrading; if a chart's filters or drill-downs were tuned to 
compensate for the old offset, review them after upgrading.
 
+- [43712](https://github.com/apache/superset/pull/43712): As the `ascend.io` 
platform shut down, its DB integration has been removed. Any existing users

Review Comment:
   The note scopes the breakage to `ascend://` second-granularity charts, but 
deleting `ascend.py` also removes the `registry.register("ascend", 
"impala.sqlalchemy", "ImpalaDialect")` call, and nothing else registers that 
alias. Every persisted `ascend://` connection then fails to build a SQLAlchemy 
engine, so an operator with only daily charts or SQL Lab queries would read 
this, assume they are unaffected, and hit connection errors after upgrading. 
Could the entry say that all existing `ascend://` connections stop working and 
must be repointed or removed, rather than only the second-granularity charts?



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