Implement /keys/changes (#1232)

* Implement /keys/changes

And refactor QueryKeyChanges to accept a `to` offset.

* Unbreak tests

* Sort keys when serialising log tokens
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Kegsay 2020-07-30 14:52:21 +01:00 committed by GitHub
parent 9355fb5ac8
commit a2174d3294
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15 changed files with 153 additions and 55 deletions

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@ -38,5 +38,7 @@ type DeviceKeys interface {
type KeyChanges interface {
InsertKeyChange(ctx context.Context, partition int32, offset int64, userID string) error
SelectKeyChanges(ctx context.Context, partition int32, fromOffset int64) (userIDs []string, latestOffset int64, err 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)
}