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authorEric Eastwood <eric.eastwood@beta.gouv.fr>2024-06-13 11:32:50 -0500
committerGitHub <noreply@github.com>2024-06-13 11:32:50 -0500
commit8c58eb7f17bdc697e653c7920edab42ee36f975b (patch)
tree1bbaa63d7ef1d7dcc11ae57bec89b2246a8369ee /changelog.d/17300.misc
parentFix `get_last_event_in_room_before_stream_ordering(...)` finding the wrong la... (diff)
downloadsynapse-8c58eb7f17bdc697e653c7920edab42ee36f975b.tar.xz
Add `event.internal_metadata.instance_name` (#17300)
Add `event.internal_metadata.instance_name` (the worker instance that persisted the event) to go alongside the existing `event.internal_metadata.stream_ordering`.

`instance_name` is useful to properly compare and query for events with a token since you need to compare both the `stream_ordering` and `instance_name` against the vector clock/`instance_map` in the `RoomStreamToken`.

This is pre-requisite work and may be used in https://github.com/element-hq/synapse/pull/17293

Adding `event.internal_metadata.instance_name` was first mentioned in the initial Sliding Sync PR while pairing with @erikjohnston, see https://github.com/element-hq/synapse/pull/17187/commits/09609cb0dbca3a4cfd9fbf90cc962e765ec469c0#diff-5cd773fb307aa754bd3948871ba118b1ef0303f4d72d42a2d21e38242bf4e096R405-R410
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+Expose the worker instance that persisted the event on `event.internal_metadata.instance_name`.