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wait for current_state_events_membership before delete_old_current_state_events (#6924)

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Richard van der Hoff 2020-02-17 11:30:50 +00:00 committed by GitHub
parent 10027c80b0
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2 changed files with 6 additions and 2 deletions
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changelog.d/6924.bugfix Normal file
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Fix a bug introduced in Synapse 1.10.0 which would cause room state to be cleared in the database if Synapse was upgraded direct from 1.2.1 or earlier to 1.10.0.

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synapse/storage/data_stores/main/schema/delta/57/delete_old_current_state_events.sql
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@ -15,5 +15,8 @@
-- Add background update to go and delete current state events for rooms the
-- server is no longer in.
INSERT into background_updates (update_name, progress_json)
VALUES ('delete_old_current_state_events', '{}');
--
-- this relies on the 'membership' column of current_state_events, so make sure
-- that's populated first!
INSERT into background_updates (update_name, progress_json, depends_on)
VALUES ('delete_old_current_state_events', '{}', 'current_state_events_membership');