Don't re-send sent events in add_state_events (#2195)

* Only add events to `add_state_events` that haven't already been sent to the roomserver output before

* Filter on event NIDs instead, hopefully bring joy to SQLite

* UnsentFilter, review comments
This commit is contained in:
Neil Alexander 2022-02-17 13:53:48 +00:00 committed by GitHub
parent 353168a9e9
commit 7dfc7c3d70
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 90 additions and 19 deletions

View file

@ -405,7 +405,7 @@ func (u *latestEventsUpdater) extraEventsForIDs(roomVersion gomatrixserverlib.Ro
if len(extraEventIDs) == 0 {
return nil, nil
}
extraEvents, err := u.updater.EventsFromIDs(u.ctx, extraEventIDs)
extraEvents, err := u.updater.UnsentEventsFromIDs(u.ctx, extraEventIDs)
if err != nil {
return nil, err
}

View file

@ -127,6 +127,9 @@ const bulkSelectEventIDSQL = "" +
const bulkSelectEventNIDSQL = "" +
"SELECT event_id, event_nid FROM roomserver_events WHERE event_id = ANY($1)"
const bulkSelectUnsentEventNIDSQL = "" +
"SELECT event_id, event_nid FROM roomserver_events WHERE event_id = ANY($1) AND sent_to_output = FALSE"
const selectMaxEventDepthSQL = "" +
"SELECT COALESCE(MAX(depth) + 1, 0) FROM roomserver_events WHERE event_nid = ANY($1)"
@ -147,6 +150,7 @@ type eventStatements struct {
bulkSelectEventReferenceStmt *sql.Stmt
bulkSelectEventIDStmt *sql.Stmt
bulkSelectEventNIDStmt *sql.Stmt
bulkSelectUnsentEventNIDStmt *sql.Stmt
selectMaxEventDepthStmt *sql.Stmt
selectRoomNIDsForEventNIDsStmt *sql.Stmt
}
@ -173,6 +177,7 @@ func prepareEventsTable(db *sql.DB) (tables.Events, error) {
{&s.bulkSelectEventReferenceStmt, bulkSelectEventReferenceSQL},
{&s.bulkSelectEventIDStmt, bulkSelectEventIDSQL},
{&s.bulkSelectEventNIDStmt, bulkSelectEventNIDSQL},
{&s.bulkSelectUnsentEventNIDStmt, bulkSelectUnsentEventNIDSQL},
{&s.selectMaxEventDepthStmt, selectMaxEventDepthSQL},
{&s.selectRoomNIDsForEventNIDsStmt, selectRoomNIDsForEventNIDsSQL},
}.Prepare(db)
@ -458,10 +463,28 @@ func (s *eventStatements) BulkSelectEventID(ctx context.Context, txn *sql.Tx, ev
return results, nil
}
// bulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error) {
stmt := sqlutil.TxStmt(txn, s.bulkSelectEventNIDStmt)
return s.bulkSelectEventNID(ctx, txn, eventIDs, false)
}
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID
// only for events that haven't already been sent to the roomserver output.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error) {
return s.bulkSelectEventNID(ctx, txn, eventIDs, true)
}
// bulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) bulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string, onlyUnsent bool) (map[string]types.EventNID, error) {
var stmt *sql.Stmt
if onlyUnsent {
stmt = sqlutil.TxStmt(txn, s.bulkSelectUnsentEventNIDStmt)
} else {
stmt = sqlutil.TxStmt(txn, s.bulkSelectEventNIDStmt)
}
rows, err := stmt.QueryContext(ctx, pq.StringArray(eventIDs))
if err != nil {
return nil, err

View file

@ -136,7 +136,7 @@ func (u *MembershipUpdater) SetToJoin(senderUserID string, eventID string, isUpd
}
// Look up the NID of the new join event
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{eventID})
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{eventID}, false)
if err != nil {
return fmt.Errorf("u.d.EventNIDs: %w", err)
}
@ -170,7 +170,7 @@ func (u *MembershipUpdater) SetToLeave(senderUserID string, eventID string) ([]s
}
// Look up the NID of the new leave event
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{eventID})
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{eventID}, false)
if err != nil {
return fmt.Errorf("u.d.EventNIDs: %w", err)
}
@ -196,7 +196,7 @@ func (u *MembershipUpdater) SetToKnock(event *gomatrixserverlib.Event) (bool, er
}
if u.membership != tables.MembershipStateKnock {
// Look up the NID of the new knock event
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{event.EventID()})
nIDs, err := u.d.eventNIDs(u.ctx, u.txn, []string{event.EventID()}, false)
if err != nil {
return fmt.Errorf("u.d.EventNIDs: %w", err)
}

View file

@ -215,7 +215,13 @@ func (u *RoomUpdater) EventIDs(
func (u *RoomUpdater) EventNIDs(
ctx context.Context, eventIDs []string,
) (map[string]types.EventNID, error) {
return u.d.eventNIDs(ctx, u.txn, eventIDs)
return u.d.eventNIDs(ctx, u.txn, eventIDs, NoFilter)
}
func (u *RoomUpdater) UnsentEventNIDs(
ctx context.Context, eventIDs []string,
) (map[string]types.EventNID, error) {
return u.d.eventNIDs(ctx, u.txn, eventIDs, FilterUnsentOnly)
}
func (u *RoomUpdater) StateAtEventIDs(
@ -231,7 +237,11 @@ func (u *RoomUpdater) StateEntriesForEventIDs(
}
func (u *RoomUpdater) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
return u.d.eventsFromIDs(ctx, u.txn, eventIDs)
return u.d.eventsFromIDs(ctx, u.txn, eventIDs, false)
}
func (u *RoomUpdater) UnsentEventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
return u.d.eventsFromIDs(ctx, u.txn, eventIDs, true)
}
func (u *RoomUpdater) GetMembershipEventNIDsForRoom(

View file

@ -238,13 +238,27 @@ func (d *Database) addState(
func (d *Database) EventNIDs(
ctx context.Context, eventIDs []string,
) (map[string]types.EventNID, error) {
return d.eventNIDs(ctx, nil, eventIDs)
return d.eventNIDs(ctx, nil, eventIDs, NoFilter)
}
type UnsentFilter bool
const (
NoFilter UnsentFilter = false
FilterUnsentOnly UnsentFilter = true
)
func (d *Database) eventNIDs(
ctx context.Context, txn *sql.Tx, eventIDs []string,
ctx context.Context, txn *sql.Tx, eventIDs []string, filter UnsentFilter,
) (map[string]types.EventNID, error) {
return d.EventsTable.BulkSelectEventNID(ctx, txn, eventIDs)
switch filter {
case FilterUnsentOnly:
return d.EventsTable.BulkSelectUnsentEventNID(ctx, txn, eventIDs)
case NoFilter:
return d.EventsTable.BulkSelectEventNID(ctx, txn, eventIDs)
default:
panic("impossible case")
}
}
func (d *Database) SetState(
@ -281,11 +295,11 @@ func (d *Database) EventIDs(
}
func (d *Database) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
return d.eventsFromIDs(ctx, nil, eventIDs)
return d.eventsFromIDs(ctx, nil, eventIDs, NoFilter)
}
func (d *Database) eventsFromIDs(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.Event, error) {
nidMap, err := d.eventNIDs(ctx, txn, eventIDs)
func (d *Database) eventsFromIDs(ctx context.Context, txn *sql.Tx, eventIDs []string, filter UnsentFilter) ([]types.Event, error) {
nidMap, err := d.eventNIDs(ctx, txn, eventIDs, filter)
if err != nil {
return nil, err
}

View file

@ -99,6 +99,9 @@ const bulkSelectEventIDSQL = "" +
const bulkSelectEventNIDSQL = "" +
"SELECT event_id, event_nid FROM roomserver_events WHERE event_id IN ($1)"
const bulkSelectUnsentEventNIDSQL = "" +
"SELECT event_id, event_nid FROM roomserver_events WHERE sent_to_output = 0 AND event_id IN ($1)"
const selectMaxEventDepthSQL = "" +
"SELECT COALESCE(MAX(depth) + 1, 0) FROM roomserver_events WHERE event_nid IN ($1)"
@ -118,8 +121,9 @@ type eventStatements struct {
bulkSelectStateAtEventAndReferenceStmt *sql.Stmt
bulkSelectEventReferenceStmt *sql.Stmt
bulkSelectEventIDStmt *sql.Stmt
bulkSelectEventNIDStmt *sql.Stmt
//selectRoomNIDsForEventNIDsStmt *sql.Stmt
//bulkSelectEventNIDStmt *sql.Stmt
//bulkSelectUnsentEventNIDStmt *sql.Stmt
//selectRoomNIDsForEventNIDsStmt *sql.Stmt
}
func createEventsTable(db *sql.DB) error {
@ -144,7 +148,8 @@ func prepareEventsTable(db *sql.DB) (tables.Events, error) {
{&s.bulkSelectStateAtEventAndReferenceStmt, bulkSelectStateAtEventAndReferenceSQL},
{&s.bulkSelectEventReferenceStmt, bulkSelectEventReferenceSQL},
{&s.bulkSelectEventIDStmt, bulkSelectEventIDSQL},
{&s.bulkSelectEventNIDStmt, bulkSelectEventNIDSQL},
//{&s.bulkSelectEventNIDStmt, bulkSelectEventNIDSQL},
//{&s.bulkSelectUnsentEventNIDStmt, bulkSelectUnsentEventNIDSQL},
//{&s.selectRoomNIDForEventNIDStmt, selectRoomNIDForEventNIDSQL},
}.Prepare(db)
}
@ -494,15 +499,33 @@ func (s *eventStatements) BulkSelectEventID(ctx context.Context, txn *sql.Tx, ev
return results, nil
}
// bulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error) {
return s.bulkSelectEventNID(ctx, txn, eventIDs, false)
}
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID
// only for events that haven't already been sent to the roomserver output.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error) {
return s.bulkSelectEventNID(ctx, txn, eventIDs, true)
}
// bulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
func (s *eventStatements) bulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string, onlyUnsent bool) (map[string]types.EventNID, error) {
///////////////
iEventIDs := make([]interface{}, len(eventIDs))
for k, v := range eventIDs {
iEventIDs[k] = v
}
selectOrig := strings.Replace(bulkSelectEventNIDSQL, "($1)", sqlutil.QueryVariadic(len(iEventIDs)), 1)
var selectOrig string
if onlyUnsent {
selectOrig = strings.Replace(bulkSelectUnsentEventNIDSQL, "($1)", sqlutil.QueryVariadic(len(iEventIDs)), 1)
} else {
selectOrig = strings.Replace(bulkSelectEventNIDSQL, "($1)", sqlutil.QueryVariadic(len(iEventIDs)), 1)
}
selectStmt, err := s.db.Prepare(selectOrig)
if err != nil {
return nil, err

View file

@ -59,6 +59,7 @@ type Events interface {
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error)
BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error)
SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
SelectRoomNIDsForEventNIDs(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (roomNIDs map[types.EventNID]types.RoomNID, err error)
}