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Add some ascii art for latest events

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This commit is contained in:
Mark Haines 2017-02-21 14:06:20 +00:00
parent fe2c0be29c
commit c1e897cca2
1 changed files with 14 additions and 1 deletions
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15
src/github.com/matrix-org/dendrite/roomserver/input/latest_events.go
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@ -7,7 +7,20 @@ import (
) )
// updateLatestEvents updates the list of latest events for this room. // updateLatestEvents updates the list of latest events for this room.
// The latest events are the events that aren't referenced by another event in the database. // The latest events are the events that aren't referenced by another event in the database:
//
// Time goes down the page. 1 is the m.room.create event (root).
//
// 1 After storing 1 the latest events are {1}
// | After storing 2 the latest events are {2}
// 2 After storing 3 the latest events are {3}
// / \ After storing 4 the latest events are {3,4}
// 3 4 After storing 5 the latest events are {5,4}
// | | After storing 6 the latest events are {5,6}
// 5 6 <--- latest After storing 7 the latest events are {6,7}
// |
// 7 <----- latest
//
func updateLatestEvents( func updateLatestEvents(
db RoomEventDatabase, roomNID types.RoomNID, stateAtEvent types.StateAtEvent, event gomatrixserverlib.Event, db RoomEventDatabase, roomNID types.RoomNID, stateAtEvent types.StateAtEvent, event gomatrixserverlib.Event,
) (err error) { ) (err error) {