Add some filtering (postgres only for now)

This commit is contained in:
Neil Alexander 2021-01-19 09:37:35 +00:00
parent ccfcb2d280
commit c922cdce32
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
6 changed files with 46 additions and 23 deletions

View file

@ -40,7 +40,7 @@ type Database interface {
GetStateDeltas(ctx context.Context, device *userapi.Device, r types.Range, userID string, stateFilter *gomatrixserverlib.StateFilter) ([]types.StateDelta, []string, error)
RoomIDsWithMembership(ctx context.Context, userID string, membership string) ([]string, error)
RecentEvents(ctx context.Context, roomID string, r types.Range, limit int, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
RecentEvents(ctx context.Context, roomID string, r types.Range, eventFilter *gomatrixserverlib.EventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
GetBackwardTopologyPos(ctx context.Context, events []types.StreamEvent) (types.TopologyToken, error)
PositionInTopology(ctx context.Context, eventID string) (pos types.StreamPosition, spos types.StreamPosition, err error)
@ -105,7 +105,7 @@ type Database interface {
// Returns an error if there was a problem communicating with the database.
DeletePeeks(ctx context.Context, RoomID, UserID string) (types.StreamPosition, error)
// GetEventsInStreamingRange retrieves all of the events on a given ordering using the given extremities and limit.
GetEventsInStreamingRange(ctx context.Context, from, to *types.StreamingToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
GetEventsInStreamingRange(ctx context.Context, from, to *types.StreamingToken, roomID string, eventFilter *gomatrixserverlib.EventFilter, backwardOrdering bool) (events []types.StreamEvent, err error)
// GetEventsInTopologicalRange retrieves all of the events on a given ordering using the given extremities and limit.
GetEventsInTopologicalRange(ctx context.Context, from, to *types.TopologyToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
// EventPositionInTopology returns the depth and stream position of the given event.

View file

@ -84,12 +84,20 @@ const selectEventsSQL = "" +
const selectRecentEventsSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
" WHERE room_id = $1 AND id > $2 AND id <= $3" +
" ORDER BY id DESC LIMIT $4"
" AND ( $4::text[] IS NULL OR sender = ANY($4) )" +
" AND ( $5::text[] IS NULL OR NOT(sender = ANY($5)) )" +
" AND ( $6::text[] IS NULL OR type LIKE ANY($6) )" +
" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
" ORDER BY id DESC LIMIT $8"
const selectRecentEventsForSyncSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
" WHERE room_id = $1 AND id > $2 AND id <= $3 AND exclude_from_sync = FALSE" +
" ORDER BY id DESC LIMIT $4"
" AND ( $4::text[] IS NULL OR sender = ANY($4) )" +
" AND ( $5::text[] IS NULL OR NOT(sender = ANY($5)) )" +
" AND ( $6::text[] IS NULL OR type LIKE ANY($6) )" +
" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
" ORDER BY id DESC LIMIT $8"
const selectEarlyEventsSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
@ -322,7 +330,7 @@ func (s *outputRoomEventsStatements) InsertEvent(
// from sync.
func (s *outputRoomEventsStatements) SelectRecentEvents(
ctx context.Context, txn *sql.Tx,
roomID string, r types.Range, limit int,
roomID string, r types.Range, eventFilter *gomatrixserverlib.EventFilter,
chronologicalOrder bool, onlySyncEvents bool,
) ([]types.StreamEvent, bool, error) {
var stmt *sql.Stmt
@ -331,7 +339,14 @@ func (s *outputRoomEventsStatements) SelectRecentEvents(
} else {
stmt = sqlutil.TxStmt(txn, s.selectRecentEventsStmt)
}
rows, err := stmt.QueryContext(ctx, roomID, r.Low(), r.High(), limit+1)
rows, err := stmt.QueryContext(
ctx, roomID, r.Low(), r.High(),
pq.StringArray(eventFilter.Senders),
pq.StringArray(eventFilter.NotSenders),
pq.StringArray(filterConvertTypeWildcardToSQL(eventFilter.Types)),
pq.StringArray(filterConvertTypeWildcardToSQL(eventFilter.NotTypes)),
eventFilter.Limit+1,
)
if err != nil {
return nil, false, err
}
@ -350,7 +365,7 @@ func (s *outputRoomEventsStatements) SelectRecentEvents(
}
// we queried for 1 more than the limit, so if we returned one more mark limited=true
limited := false
if len(events) > limit {
if len(events) > eventFilter.Limit {
limited = true
// re-slice the extra (oldest) event out: in chronological order this is the first entry, else the last.
if chronologicalOrder {

View file

@ -110,8 +110,8 @@ func (d *Database) RoomIDsWithMembership(ctx context.Context, userID string, mem
return d.CurrentRoomState.SelectRoomIDsWithMembership(ctx, nil, userID, membership)
}
func (d *Database) RecentEvents(ctx context.Context, roomID string, r types.Range, limit int, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error) {
return d.OutputEvents.SelectRecentEvents(ctx, nil, roomID, r, limit, chronologicalOrder, onlySyncEvents)
func (d *Database) RecentEvents(ctx context.Context, roomID string, r types.Range, eventFilter *gomatrixserverlib.EventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error) {
return d.OutputEvents.SelectRecentEvents(ctx, nil, roomID, r, eventFilter, chronologicalOrder, onlySyncEvents)
}
func (d *Database) PositionInTopology(ctx context.Context, eventID string) (pos types.StreamPosition, spos types.StreamPosition, err error) {
@ -151,7 +151,7 @@ func (d *Database) Events(ctx context.Context, eventIDs []string) ([]*gomatrixse
func (d *Database) GetEventsInStreamingRange(
ctx context.Context,
from, to *types.StreamingToken,
roomID string, limit int,
roomID string, eventFilter *gomatrixserverlib.EventFilter,
backwardOrdering bool,
) (events []types.StreamEvent, err error) {
r := types.Range{
@ -162,14 +162,14 @@ func (d *Database) GetEventsInStreamingRange(
if backwardOrdering {
// When using backward ordering, we want the most recent events first.
if events, _, err = d.OutputEvents.SelectRecentEvents(
ctx, nil, roomID, r, limit, false, false,
ctx, nil, roomID, r, eventFilter, false, false,
); err != nil {
return
}
} else {
// When using forward ordering, we want the least recent events first.
if events, err = d.OutputEvents.SelectEarlyEvents(
ctx, nil, roomID, r, limit,
ctx, nil, roomID, r, eventFilter.Limit, // TODO: filter here too
); err != nil {
return
}

View file

@ -175,6 +175,9 @@ func (s *outputRoomEventsStatements) SelectStateInRange(
ctx context.Context, txn *sql.Tx, r types.Range,
stateFilterPart *gomatrixserverlib.StateFilter,
) (map[string]map[string]bool, map[string]types.StreamEvent, error) {
params := []interface{}{}
_ = params
stmt := sqlutil.TxStmt(txn, s.selectStateInRangeStmt)
rows, err := stmt.QueryContext(
@ -333,7 +336,7 @@ func (s *outputRoomEventsStatements) InsertEvent(
func (s *outputRoomEventsStatements) SelectRecentEvents(
ctx context.Context, txn *sql.Tx,
roomID string, r types.Range, limit int,
roomID string, r types.Range, eventFilter *gomatrixserverlib.EventFilter,
chronologicalOrder bool, onlySyncEvents bool,
) ([]types.StreamEvent, bool, error) {
var stmt *sql.Stmt
@ -343,7 +346,7 @@ func (s *outputRoomEventsStatements) SelectRecentEvents(
stmt = sqlutil.TxStmt(txn, s.selectRecentEventsStmt)
}
rows, err := stmt.QueryContext(ctx, roomID, r.Low(), r.High(), limit+1)
rows, err := stmt.QueryContext(ctx, roomID, r.Low(), r.High(), eventFilter.Limit+1)
if err != nil {
return nil, false, err
}
@ -362,7 +365,7 @@ func (s *outputRoomEventsStatements) SelectRecentEvents(
}
// we queried for 1 more than the limit, so if we returned one more mark limited=true
limited := false
if len(events) > limit {
if len(events) > eventFilter.Limit {
limited = true
// re-slice the extra (oldest) event out: in chronological order this is the first entry, else the last.
if chronologicalOrder {

View file

@ -56,7 +56,7 @@ type Events interface {
// SelectRecentEvents returns events between the two stream positions: exclusive of low and inclusive of high.
// If onlySyncEvents has a value of true, only returns the events that aren't marked as to exclude from sync.
// Returns up to `limit` events. Returns `limited=true` if there are more events in this range but we hit the `limit`.
SelectRecentEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, limit int, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
SelectRecentEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, eventFilter *gomatrixserverlib.EventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
// SelectEarlyEvents returns the earliest events in the given room.
SelectEarlyEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, limit int) ([]types.StreamEvent, error)
SelectEvents(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StreamEvent, error)

View file

@ -49,12 +49,14 @@ func (p *PDUStreamProvider) CompleteSync(
}
stateFilter := gomatrixserverlib.DefaultStateFilter() // TODO: use filter provided in request
eventFilter := gomatrixserverlib.DefaultEventFilter()
eventFilter.Limit = req.Limit
// Build up a /sync response. Add joined rooms.
for _, roomID := range joinedRoomIDs {
var jr *types.JoinResponse
jr, err = p.getJoinResponseForCompleteSync(
ctx, roomID, r, &stateFilter, req.Limit, req.Device,
ctx, roomID, r, &stateFilter, &eventFilter, req.Device,
)
if err != nil {
req.Log.WithError(err).Error("p.getJoinResponseForCompleteSync failed")
@ -74,7 +76,7 @@ func (p *PDUStreamProvider) CompleteSync(
if !peek.Deleted {
var jr *types.JoinResponse
jr, err = p.getJoinResponseForCompleteSync(
ctx, peek.RoomID, r, &stateFilter, req.Limit, req.Device,
ctx, peek.RoomID, r, &stateFilter, &eventFilter, req.Device,
)
if err != nil {
req.Log.WithError(err).Error("p.getJoinResponseForCompleteSync failed")
@ -106,6 +108,8 @@ func (p *PDUStreamProvider) IncrementalSync(
// TODO: use filter provided in request
stateFilter := gomatrixserverlib.DefaultStateFilter()
eventFilter := gomatrixserverlib.DefaultEventFilter()
eventFilter.Limit = req.Limit
if req.WantFullState {
if stateDeltas, joinedRooms, err = p.DB.GetStateDeltasForFullStateSync(ctx, req.Device, r, req.Device.UserID, &stateFilter); err != nil {
@ -124,7 +128,7 @@ func (p *PDUStreamProvider) IncrementalSync(
}
for _, delta := range stateDeltas {
if err = p.addRoomDeltaToResponse(ctx, req.Device, r, delta, req.Limit, req.Response); err != nil {
if err = p.addRoomDeltaToResponse(ctx, req.Device, r, delta, &eventFilter, req.Response); err != nil {
req.Log.WithError(err).Error("d.addRoomDeltaToResponse failed")
return newPos
}
@ -138,7 +142,7 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
device *userapi.Device,
r types.Range,
delta types.StateDelta,
numRecentEventsPerRoom int,
eventFilter *gomatrixserverlib.EventFilter,
res *types.Response,
) error {
if delta.MembershipPos > 0 && delta.Membership == gomatrixserverlib.Leave {
@ -152,7 +156,7 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
}
recentStreamEvents, limited, err := p.DB.RecentEvents(
ctx, delta.RoomID, r,
numRecentEventsPerRoom, true, true,
eventFilter, true, true,
)
if err != nil {
return err
@ -209,7 +213,8 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
roomID string,
r types.Range,
stateFilter *gomatrixserverlib.StateFilter,
numRecentEventsPerRoom int, device *userapi.Device,
eventFilter *gomatrixserverlib.EventFilter,
device *userapi.Device,
) (jr *types.JoinResponse, err error) {
var stateEvents []*gomatrixserverlib.HeaderedEvent
stateEvents, err = p.DB.CurrentState(ctx, roomID, stateFilter)
@ -221,7 +226,7 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
var recentStreamEvents []types.StreamEvent
var limited bool
recentStreamEvents, limited, err = p.DB.RecentEvents(
ctx, roomID, r, numRecentEventsPerRoom, true, true,
ctx, roomID, r, eventFilter, true, true,
)
if err != nil {
return