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Try federation when backfill fails to find events in the database (#2113)
* Try to backfill via federation in error cases * Cleaner retry for backfill * Simpler condition
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1 changed files with 5 additions and 1 deletions
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@ -82,10 +82,14 @@ func (r *Backfiller) PerformBackfill(
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return err
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}
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// Retrieve events from the list that was filled previously.
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// Retrieve events from the list that was filled previously. If we fail to get
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// events from the database then attempt once to get them from federation instead.
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var loadedEvents []*gomatrixserverlib.Event
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loadedEvents, err = helpers.LoadEvents(ctx, r.DB, resultNIDs)
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if err != nil {
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if _, ok := err.(types.MissingEventError); ok {
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return r.backfillViaFederation(ctx, request, response)
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}
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return err
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}
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