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Handle state with input event as new events (#1415)

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* SendEventWithState events as new

* Use cumulative state IDs for final event

* Error wrapping in calculateAndSetState

* Handle overwriting same event type and state key

* Hacky way to spot historical events

* Don't exclude from sync

* Don't generate output events when rewriting forward extremities

* Update output event check

* Historical output events

* Define output room event type

* Notify key changes on state

* Don't send our membership event twice

* Deduplicate state entries

* Tweaks

* Remove unnecessary nolint

* Fix current state upsert in sync API

* Send auth events as outliers, state events as rewrite

* Sync API don't consume state events

* Process events actually

* Improve outlier check

* Fix local room check

* Remove extra room check, it seems to break the whole damn world

* Fix federated join check

* Fix nil pointer exception

* Better comments on DeduplicateStateEntries

* Reflow forced federated joins

* Don't force federated join for possibly even local invites

* Comment SendEventWithState better

* Rewrite room state in sync API storage

* Add TODO

* Clean up all room data when receiving create event

* Don't generate output events for rewrites, but instead notify that state is rewritten on the final new event

* Rename to PurgeRoom

* Exclude backfilled messages from /sync

* Split out rewriting state from updating state from state res

Co-authored-by: Kegan Dougal <kegan@matrix.org>
This commit is contained in:
Neil Alexander 2020-09-15 11:17:46 +01:00 • committed by GitHub
parent 8dc9506210
commit 965f068d1a
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23 changed files with 616 additions and 30 deletions
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14
syncapi/storage/postgres/output_room_events_table.go
View file

@ -115,6 +115,9 @@ const selectStateInRangeSQL = "" +
" ORDER BY id ASC" +
" LIMIT $8"
const deleteEventsForRoomSQL = "" +
"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
type outputRoomEventsStatements struct {
insertEventStmt *sql.Stmt
selectEventsStmt *sql.Stmt
@ -124,6 +127,7 @@ type outputRoomEventsStatements struct {
selectEarlyEventsStmt *sql.Stmt
selectStateInRangeStmt *sql.Stmt
updateEventJSONStmt *sql.Stmt
deleteEventsForRoomStmt *sql.Stmt
}
func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
@ -156,6 +160,9 @@ func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
if s.updateEventJSONStmt, err = db.Prepare(updateEventJSONSQL); err != nil {
return nil, err
}
if s.deleteEventsForRoomStmt, err = db.Prepare(deleteEventsForRoomSQL); err != nil {
return nil, err
}
return s, nil
}
@ -395,6 +402,13 @@ func (s *outputRoomEventsStatements) SelectEvents(
return rowsToStreamEvents(rows)
}
func (s *outputRoomEventsStatements) DeleteEventsForRoom(
ctx context.Context, txn *sql.Tx, roomID string,
) (err error) {
_, err = sqlutil.TxStmt(txn, s.deleteEventsForRoomStmt).ExecContext(ctx, roomID)
return err
}
func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
var result []types.StreamEvent
for rows.Next() {