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Remodel how device list change IDs are created (#2098)

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* Remodel how device list change IDs are created

Previously we made them using the offset Kafka supplied.
We don't run Kafka anymore, so now we make the SQL table assign
the change ID via an AUTOINCREMENTing ID. Redesign the
`keyserver_key_changes` table to have `UNIQUE(user_id)` so we
don't accumulate key changes forevermore, we now have at most 1
row per user which contains the highest change ID.

This needs a SQL migration.

* Ensure we bump the change ID on sqlite

* Actually read the DeviceChangeID not the Offset in synapi

* Add SQL migrations

* Prepare after migration; fixup dendrite-upgrade-test logging

* Use higher version numbers; fix sqlite query to increment better

* Default 0 on postgres

* fixup postgres migration on fresh dendrite instances
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kegsay 2022-01-21 09:56:06 +00:00 • committed by GitHub
parent db7d9cba8a
commit 2c581377a5
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16 changed files with 336 additions and 158 deletions
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6
keyserver/storage/tables/interface.go
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@ -44,10 +44,12 @@ type DeviceKeys interface {
}
type KeyChanges interface {
InsertKeyChange(ctx context.Context, partition int32, offset int64, userID string) error
InsertKeyChange(ctx context.Context, userID string) (int64, error)
// SelectKeyChanges returns the set (de-duplicated) of users who have changed their keys between the two offsets.
// Results are exclusive of fromOffset and inclusive of toOffset. A toOffset of sarama.OffsetNewest means no upper offset.
SelectKeyChanges(ctx context.Context, partition int32, fromOffset, toOffset int64) (userIDs []string, latestOffset int64, err error)
SelectKeyChanges(ctx context.Context, fromOffset, toOffset int64) (userIDs []string, latestOffset int64, err error)
Prepare() error
}
type StaleDeviceLists interface {