Purge sync API too

This commit is contained in:
Neil Alexander 2022-08-22 12:45:58 +01:00
parent c45bf118a8
commit 53e218914d
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
19 changed files with 213 additions and 0 deletions

View file

@ -31,6 +31,7 @@ import (
"github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
log "github.com/sirupsen/logrus"
)
@ -122,6 +123,8 @@ func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg)
s.onRetirePeek(s.ctx, *output.RetirePeek)
case api.OutputTypeRedactedEvent:
err = s.onRedactEvent(s.ctx, *output.RedactedEvent)
case api.OutputTypePurgeRoom:
err = s.onPurgeRoom(s.ctx, *output.PurgeRoom)
default:
log.WithField("type", output.Type).Debug(
"roomserver output log: ignoring unknown output type",
@ -433,6 +436,15 @@ func (s *OutputRoomEventConsumer) onRetirePeek(
s.notifier.OnRetirePeek(msg.RoomID, msg.UserID, msg.DeviceID, types.StreamingToken{PDUPosition: sp})
}
func (s *OutputRoomEventConsumer) onPurgeRoom(
ctx context.Context, req api.OutputPurgeRoom,
) error {
logrus.WithField("room_id", req.RoomID).Warn("Purging room from sync API")
defer logrus.WithField("room_id", req.RoomID).Warn("Room purged from sync API")
return nil
}
func (s *OutputRoomEventConsumer) updateStateEvent(event *gomatrixserverlib.HeaderedEvent) (*gomatrixserverlib.HeaderedEvent, error) {
if event.StateKey() == nil {
return event, nil

View file

@ -47,10 +47,14 @@ const selectBackwardExtremitiesForRoomSQL = "" +
const deleteBackwardExtremitySQL = "" +
"DELETE FROM syncapi_backward_extremities WHERE room_id = $1 AND prev_event_id = $2"
const purgeBackwardExtremitiesSQL = "" +
"DELETE FROM syncapi_backward_extremities WHERE room_id = $1"
type backwardExtremitiesStatements struct {
insertBackwardExtremityStmt *sql.Stmt
selectBackwardExtremitiesForRoomStmt *sql.Stmt
deleteBackwardExtremityStmt *sql.Stmt
purgeBackwardExtremitiesStmt *sql.Stmt
}
func NewPostgresBackwardsExtremitiesTable(db *sql.DB) (tables.BackwardsExtremities, error) {
@ -68,6 +72,9 @@ func NewPostgresBackwardsExtremitiesTable(db *sql.DB) (tables.BackwardsExtremiti
if s.deleteBackwardExtremityStmt, err = db.Prepare(deleteBackwardExtremitySQL); err != nil {
return nil, err
}
if s.purgeBackwardExtremitiesStmt, err = db.Prepare(purgeBackwardExtremitiesSQL); err != nil {
return nil, err
}
return s, nil
}
@ -106,3 +113,10 @@ func (s *backwardExtremitiesStatements) DeleteBackwardExtremity(
_, err = sqlutil.TxStmt(txn, s.deleteBackwardExtremityStmt).ExecContext(ctx, roomID, knownEventID)
return
}
func (s *backwardExtremitiesStatements) PurgeBackwardExtremities(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeBackwardExtremitiesStmt).ExecContext(ctx, roomID)
return err
}

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@ -62,11 +62,15 @@ const selectInviteEventsInRangeSQL = "" +
const selectMaxInviteIDSQL = "" +
"SELECT MAX(id) FROM syncapi_invite_events"
const purgeInvitesSQL = "" +
"DELETE FROM syncapi_invite_events WHERE room_id = $1"
type inviteEventsStatements struct {
insertInviteEventStmt *sql.Stmt
selectInviteEventsInRangeStmt *sql.Stmt
deleteInviteEventStmt *sql.Stmt
selectMaxInviteIDStmt *sql.Stmt
purgeInvitesStmt *sql.Stmt
}
func NewPostgresInvitesTable(db *sql.DB) (tables.Invites, error) {
@ -87,6 +91,9 @@ func NewPostgresInvitesTable(db *sql.DB) (tables.Invites, error) {
if s.selectMaxInviteIDStmt, err = db.Prepare(selectMaxInviteIDSQL); err != nil {
return nil, err
}
if s.purgeInvitesStmt, err = db.Prepare(purgeInvitesSQL); err != nil {
return nil, err
}
return s, nil
}
@ -173,3 +180,10 @@ func (s *inviteEventsStatements) SelectMaxInviteID(
}
return
}
func (s *inviteEventsStatements) PurgeInvites(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeInvitesStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -69,11 +69,15 @@ const selectHeroesSQL = "" +
const selectMembershipBeforeSQL = "" +
"SELECT membership, topological_pos FROM syncapi_memberships WHERE room_id = $1 and user_id = $2 AND topological_pos <= $3 ORDER BY topological_pos DESC LIMIT 1"
const purgeMembershipsSQL = "" +
"DELETE FROM syncapi_memberships WHERE room_id = $1"
type membershipsStatements struct {
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
selectHeroesStmt *sql.Stmt
selectMembershipForUserStmt *sql.Stmt
purgeMembershipsStmt *sql.Stmt
}
func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -87,6 +91,7 @@ func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
{&s.selectMembershipCountStmt, selectMembershipCountSQL},
{&s.selectHeroesStmt, selectHeroesSQL},
{&s.selectMembershipForUserStmt, selectMembershipBeforeSQL},
{&s.purgeMembershipsStmt, purgeMembershipsSQL},
}.Prepare(db)
}
@ -154,3 +159,10 @@ func (s *membershipsStatements) SelectMembershipForUser(
}
return membership, topologyPos, nil
}
func (s *membershipsStatements) PurgeMemberships(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeMembershipsStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -35,6 +35,7 @@ func NewPostgresNotificationDataTable(db *sql.DB) (tables.NotificationData, erro
{&r.upsertRoomUnreadCounts, upsertRoomUnreadNotificationCountsSQL},
{&r.selectUserUnreadCounts, selectUserUnreadNotificationCountsSQL},
{&r.selectMaxID, selectMaxNotificationIDSQL},
{&r.purgeNotificationData, purgeNotificationDataSQL},
}.Prepare(db)
}
@ -42,6 +43,7 @@ type notificationDataStatements struct {
upsertRoomUnreadCounts *sql.Stmt
selectUserUnreadCounts *sql.Stmt
selectMaxID *sql.Stmt
purgeNotificationData *sql.Stmt
}
const notificationDataSchema = `
@ -70,6 +72,9 @@ const selectUserUnreadNotificationCountsSQL = `SELECT
const selectMaxNotificationIDSQL = `SELECT CASE COUNT(*) WHEN 0 THEN 0 ELSE MAX(id) END FROM syncapi_notification_data`
const purgeNotificationDataSQL = "" +
"DELETE FROM syncapi_notification_data WHERE room_id = $1"
func (r *notificationDataStatements) UpsertRoomUnreadCounts(ctx context.Context, userID, roomID string, notificationCount, highlightCount int) (pos types.StreamPosition, err error) {
err = r.upsertRoomUnreadCounts.QueryRowContext(ctx, userID, roomID, notificationCount, highlightCount).Scan(&pos)
return
@ -106,3 +111,10 @@ func (r *notificationDataStatements) SelectMaxID(ctx context.Context) (int64, er
err := r.selectMaxID.QueryRowContext(ctx).Scan(&id)
return id, err
}
func (s *notificationDataStatements) PurgeNotificationData(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeNotificationData).ExecContext(ctx, roomID)
return err
}

View file

@ -167,6 +167,9 @@ const selectContextAfterEventSQL = "" +
" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
" ORDER BY id ASC LIMIT $3"
const purgeEventsSQL = "" +
"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
type outputRoomEventsStatements struct {
insertEventStmt *sql.Stmt
selectEventsStmt *sql.Stmt
@ -181,6 +184,7 @@ type outputRoomEventsStatements struct {
selectContextEventStmt *sql.Stmt
selectContextBeforeEventStmt *sql.Stmt
selectContextAfterEventStmt *sql.Stmt
purgeEventsStmt *sql.Stmt
}
func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
@ -216,6 +220,7 @@ func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
{&s.selectContextEventStmt, selectContextEventSQL},
{&s.selectContextBeforeEventStmt, selectContextBeforeEventSQL},
{&s.selectContextAfterEventStmt, selectContextAfterEventSQL},
{&s.purgeEventsStmt, purgeEventsSQL},
}.Prepare(db)
}
@ -643,3 +648,10 @@ func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
}
return result, rows.Err()
}
func (s *outputRoomEventsStatements) PurgeEvents(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeEventsStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -79,6 +79,9 @@ const selectStreamToTopologicalPositionAscSQL = "" +
const selectStreamToTopologicalPositionDescSQL = "" +
"SELECT topological_position FROM syncapi_output_room_events_topology WHERE room_id = $1 AND stream_position <= $2 ORDER BY topological_position DESC LIMIT 1;"
const purgeEventsTopologySQL = "" +
"DELETE FROM syncapi_output_room_events_topology WHERE room_id = $1"
type outputRoomEventsTopologyStatements struct {
insertEventInTopologyStmt *sql.Stmt
selectEventIDsInRangeASCStmt *sql.Stmt
@ -87,6 +90,7 @@ type outputRoomEventsTopologyStatements struct {
selectMaxPositionInTopologyStmt *sql.Stmt
selectStreamToTopologicalPositionAscStmt *sql.Stmt
selectStreamToTopologicalPositionDescStmt *sql.Stmt
purgeEventsTopologyStmt *sql.Stmt
}
func NewPostgresTopologyTable(db *sql.DB) (tables.Topology, error) {
@ -116,6 +120,9 @@ func NewPostgresTopologyTable(db *sql.DB) (tables.Topology, error) {
if s.selectStreamToTopologicalPositionDescStmt, err = db.Prepare(selectStreamToTopologicalPositionDescSQL); err != nil {
return nil, err
}
if s.purgeEventsTopologyStmt, err = db.Prepare(purgeEventsTopologySQL); err != nil {
return nil, err
}
return s, nil
}
@ -196,3 +203,10 @@ func (s *outputRoomEventsTopologyStatements) SelectMaxPositionInTopology(
err = s.selectMaxPositionInTopologyStmt.QueryRowContext(ctx, roomID).Scan(&pos, &spos)
return
}
func (s *outputRoomEventsTopologyStatements) PurgeEventsTopology(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeEventsTopologyStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -65,6 +65,9 @@ const selectPeekingDevicesSQL = "" +
const selectMaxPeekIDSQL = "" +
"SELECT MAX(id) FROM syncapi_peeks"
const purgePeeksSQL = "" +
"DELETE FROM syncapi_peeks WHERE room_id = $1"
type peekStatements struct {
db *sql.DB
insertPeekStmt *sql.Stmt
@ -73,6 +76,7 @@ type peekStatements struct {
selectPeeksInRangeStmt *sql.Stmt
selectPeekingDevicesStmt *sql.Stmt
selectMaxPeekIDStmt *sql.Stmt
purgePeeksStmt *sql.Stmt
}
func NewPostgresPeeksTable(db *sql.DB) (tables.Peeks, error) {
@ -101,6 +105,9 @@ func NewPostgresPeeksTable(db *sql.DB) (tables.Peeks, error) {
if s.selectMaxPeekIDStmt, err = db.Prepare(selectMaxPeekIDSQL); err != nil {
return nil, err
}
if s.purgePeeksStmt, err = db.Prepare(purgePeeksSQL); err != nil {
return nil, err
}
return s, nil
}
@ -184,3 +191,10 @@ func (s *peekStatements) SelectMaxPeekID(
}
return
}
func (s *peekStatements) PurgePeeks(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgePeeksStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -62,11 +62,15 @@ const selectRoomReceipts = "" +
const selectMaxReceiptIDSQL = "" +
"SELECT MAX(id) FROM syncapi_receipts"
const purgeReceiptsSQL = "" +
"DELETE FROM syncapi_receipts WHERE room_id = $1"
type receiptStatements struct {
db *sql.DB
upsertReceipt *sql.Stmt
selectRoomReceipts *sql.Stmt
selectMaxReceiptID *sql.Stmt
purgeReceiptsStmt *sql.Stmt
}
func NewPostgresReceiptsTable(db *sql.DB) (tables.Receipts, error) {
@ -95,6 +99,9 @@ func NewPostgresReceiptsTable(db *sql.DB) (tables.Receipts, error) {
if r.selectMaxReceiptID, err = db.Prepare(selectMaxReceiptIDSQL); err != nil {
return nil, fmt.Errorf("unable to prepare selectRoomReceipts statement: %w", err)
}
if r.purgeReceiptsStmt, err = db.Prepare(purgeReceiptsSQL); err != nil {
return nil, fmt.Errorf("unable to prepare purgeReceiptsStmt statement: %w", err)
}
return r, nil
}
@ -138,3 +145,10 @@ func (s *receiptStatements) SelectMaxReceiptID(
}
return
}
func (s *receiptStatements) PurgeReceipts(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeReceiptsStmt).ExecContext(ctx, roomID)
return err
}

View file

@ -1078,3 +1078,36 @@ func (d *Database) MaxStreamPositionForPresence(ctx context.Context) (types.Stre
func (d *Database) SelectMembershipForUser(ctx context.Context, roomID, userID string, pos int64) (membership string, topologicalPos int, err error) {
return d.Memberships.SelectMembershipForUser(ctx, nil, roomID, userID, pos)
}
func (d *Database) PurgeRoom(ctx context.Context, roomID string) error {
return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
if err := d.BackwardExtremities.PurgeBackwardExtremities(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge backward extremities: %w", err)
}
if err := d.CurrentRoomState.DeleteRoomStateForRoom(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge current room state: %w", err)
}
if err := d.Invites.PurgeInvites(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge invites: %w", err)
}
if err := d.Memberships.PurgeMemberships(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge memberships: %w", err)
}
if err := d.NotificationData.PurgeNotificationData(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge notification data: %w", err)
}
if err := d.OutputEvents.PurgeEvents(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge events: %w", err)
}
if err := d.Topology.PurgeEventsTopology(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge events topology: %w", err)
}
if err := d.Peeks.PurgePeeks(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge peeks: %w", err)
}
if err := d.Receipts.PurgeReceipts(ctx, txn, roomID); err != nil {
return fmt.Errorf("failed to purge receipts: %w", err)
}
return nil
})
}

View file

@ -17,6 +17,7 @@ package sqlite3
import (
"context"
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
@ -109,3 +110,9 @@ func (s *backwardExtremitiesStatements) DeleteBackwardExtremity(
_, err = sqlutil.TxStmt(txn, s.deleteBackwardExtremityStmt).ExecContext(ctx, roomID, knownEventID)
return err
}
func (s *backwardExtremitiesStatements) PurgeBackwardExtremities(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -19,6 +19,7 @@ import (
"context"
"database/sql"
"encoding/json"
"fmt"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
@ -183,3 +184,9 @@ func (s *inviteEventsStatements) SelectMaxInviteID(
}
return
}
func (s *inviteEventsStatements) PurgeInvites(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -170,3 +170,9 @@ func (s *membershipsStatements) SelectMembershipForUser(
}
return membership, topologyPos, nil
}
func (s *membershipsStatements) PurgeMemberships(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -17,6 +17,7 @@ package sqlite3
import (
"context"
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/eventutil"
@ -112,3 +113,9 @@ func (r *notificationDataStatements) SelectMaxID(ctx context.Context) (int64, er
err := r.selectMaxID.QueryRowContext(ctx).Scan(&id)
return id, err
}
func (s *notificationDataStatements) PurgeNotificationData(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -640,3 +640,9 @@ func unmarshalStateIDs(addIDsJSON, delIDsJSON string) (addIDs []string, delIDs [
}
return
}
func (s *outputRoomEventsStatements) PurgeEvents(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -17,6 +17,7 @@ package sqlite3
import (
"context"
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
@ -190,3 +191,9 @@ func (s *outputRoomEventsTopologyStatements) SelectMaxPositionInTopology(
err = stmt.QueryRowContext(ctx, roomID).Scan(&pos, &spos)
return
}
func (s *outputRoomEventsTopologyStatements) PurgeEventsTopology(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -17,6 +17,7 @@ package sqlite3
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/matrix-org/dendrite/internal"
@ -204,3 +205,9 @@ func (s *peekStatements) SelectMaxPeekID(
}
return
}
func (s *peekStatements) PurgePeeks(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -148,3 +148,9 @@ func (s *receiptStatements) SelectMaxReceiptID(
}
return
}
func (s *receiptStatements) PurgeReceipts(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
return fmt.Errorf("not implemented on SQLite")
}

View file

@ -39,6 +39,7 @@ type Invites interface {
// for the room.
SelectInviteEventsInRange(ctx context.Context, txn *sql.Tx, targetUserID string, r types.Range) (invites map[string]*gomatrixserverlib.HeaderedEvent, retired map[string]*gomatrixserverlib.HeaderedEvent, err error)
SelectMaxInviteID(ctx context.Context, txn *sql.Tx) (id int64, err error)
PurgeInvites(ctx context.Context, txn *sql.Tx, roomID string) error
}
type Peeks interface {
@ -48,6 +49,7 @@ type Peeks interface {
SelectPeeksInRange(ctxt context.Context, txn *sql.Tx, userID, deviceID string, r types.Range) (peeks []types.Peek, err error)
SelectPeekingDevices(ctxt context.Context) (peekingDevices map[string][]types.PeekingDevice, err error)
SelectMaxPeekID(ctx context.Context, txn *sql.Tx) (id int64, err error)
PurgePeeks(ctx context.Context, txn *sql.Tx, roomID string) error
}
type Events interface {
@ -75,6 +77,8 @@ type Events interface {
SelectContextEvent(ctx context.Context, txn *sql.Tx, roomID, eventID string) (int, gomatrixserverlib.HeaderedEvent, error)
SelectContextBeforeEvent(ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) ([]*gomatrixserverlib.HeaderedEvent, error)
SelectContextAfterEvent(ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) (int, []*gomatrixserverlib.HeaderedEvent, error)
PurgeEvents(ctx context.Context, txn *sql.Tx, roomID string) error
}
// Topology keeps track of the depths and stream positions for all events.
@ -94,6 +98,7 @@ type Topology interface {
SelectMaxPositionInTopology(ctx context.Context, txn *sql.Tx, roomID string) (depth types.StreamPosition, spos types.StreamPosition, err error)
// SelectStreamToTopologicalPosition converts a stream position to a topological position by finding the nearest topological position in the room.
SelectStreamToTopologicalPosition(ctx context.Context, txn *sql.Tx, roomID string, streamPos types.StreamPosition, forward bool) (topoPos types.StreamPosition, err error)
PurgeEventsTopology(ctx context.Context, txn *sql.Tx, roomID string) error
}
type CurrentRoomState interface {
@ -144,6 +149,7 @@ type BackwardsExtremities interface {
SelectBackwardExtremitiesForRoom(ctx context.Context, roomID string) (bwExtrems map[string][]string, err error)
// DeleteBackwardExtremity removes a backwards extremity for a room, if one existed.
DeleteBackwardExtremity(ctx context.Context, txn *sql.Tx, roomID, knownEventID string) (err error)
PurgeBackwardExtremities(ctx context.Context, txn *sql.Tx, roomID string) error
}
// SendToDevice tracks send-to-device messages which are sent to individual
@ -179,6 +185,7 @@ type Receipts interface {
UpsertReceipt(ctx context.Context, txn *sql.Tx, roomId, receiptType, userId, eventId string, timestamp gomatrixserverlib.Timestamp) (pos types.StreamPosition, err error)
SelectRoomReceiptsAfter(ctx context.Context, roomIDs []string, streamPos types.StreamPosition) (types.StreamPosition, []types.OutputReceiptEvent, error)
SelectMaxReceiptID(ctx context.Context, txn *sql.Tx) (id int64, err error)
PurgeReceipts(ctx context.Context, txn *sql.Tx, roomID string) error
}
type Memberships interface {
@ -186,12 +193,14 @@ type Memberships interface {
SelectMembershipCount(ctx context.Context, txn *sql.Tx, roomID, membership string, pos types.StreamPosition) (count int, err error)
SelectHeroes(ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string) (heroes []string, err error)
SelectMembershipForUser(ctx context.Context, txn *sql.Tx, roomID, userID string, pos int64) (membership string, topologicalPos int, err error)
PurgeMemberships(ctx context.Context, txn *sql.Tx, roomID string) error
}
type NotificationData interface {
UpsertRoomUnreadCounts(ctx context.Context, userID, roomID string, notificationCount, highlightCount int) (types.StreamPosition, error)
SelectUserUnreadCounts(ctx context.Context, userID string, fromExcl, toIncl types.StreamPosition) (map[string]*eventutil.NotificationData, error)
SelectMaxID(ctx context.Context) (int64, error)
PurgeNotificationData(ctx context.Context, txn *sql.Tx, roomID string) error
}
type Ignores interface {