[UPDATING] Adding notes regarding #8867 (#9246)

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Ville Brofeldt 2020-03-05 21:15:47 +02:00 committed by GitHub
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@ -23,6 +23,8 @@ assists people when migrating to a new version.
## Next
* [8867](https://github.com/apache/incubator-superset/pull/8867): a change which adds the `tmp_schema_name` column to the `query` table which requires locking the table. Given the `query` table is heavily used performance may be degraded during the migration. Scheduled downtime may be advised.
* [9238](https://github.com/apache/incubator-superset/pull/9238): the config option `TIME_GRAIN_FUNCTIONS` has been renamed to `TIME_GRAIN_EXPRESSIONS` to better reflect the content of the dictionary.
* [9218](https://github.com/apache/incubator-superset/pull/9218): SQLite connections have been disabled by default