Don't range entire state for /sync (#2270)

* Don't range entire state for rooms the user has no reason to care about

* Remove unnecessary db field in postgresql
This commit is contained in:
Neil Alexander 2022-03-11 12:48:45 +00:00 committed by GitHub
parent e485f9c2bd
commit 507a8e6773
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 137 additions and 41 deletions

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@ -77,6 +77,9 @@ const DeleteRoomStateForRoomSQL = "" +
const selectRoomIDsWithMembershipSQL = "" +
"SELECT DISTINCT room_id FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND membership = $2"
const selectRoomIDsWithAnyMembershipSQL = "" +
"SELECT DISTINCT room_id, membership FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1"
const selectCurrentStateSQL = "" +
"SELECT event_id, headered_event_json FROM syncapi_current_room_state WHERE room_id = $1" +
" AND ( $2::text[] IS NULL OR sender = ANY($2) )" +
@ -102,14 +105,15 @@ const selectEventsWithEventIDsSQL = "" +
" FROM syncapi_current_room_state WHERE event_id = ANY($1)"
type currentRoomStateStatements struct {
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
DeleteRoomStateForRoomStmt *sql.Stmt
selectRoomIDsWithMembershipStmt *sql.Stmt
selectCurrentStateStmt *sql.Stmt
selectJoinedUsersStmt *sql.Stmt
selectEventsWithEventIDsStmt *sql.Stmt
selectStateEventStmt *sql.Stmt
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
DeleteRoomStateForRoomStmt *sql.Stmt
selectRoomIDsWithMembershipStmt *sql.Stmt
selectRoomIDsWithAnyMembershipStmt *sql.Stmt
selectCurrentStateStmt *sql.Stmt
selectJoinedUsersStmt *sql.Stmt
selectEventsWithEventIDsStmt *sql.Stmt
selectStateEventStmt *sql.Stmt
}
func NewPostgresCurrentRoomStateTable(db *sql.DB) (tables.CurrentRoomState, error) {
@ -130,6 +134,9 @@ func NewPostgresCurrentRoomStateTable(db *sql.DB) (tables.CurrentRoomState, erro
if s.selectRoomIDsWithMembershipStmt, err = db.Prepare(selectRoomIDsWithMembershipSQL); err != nil {
return nil, err
}
if s.selectRoomIDsWithAnyMembershipStmt, err = db.Prepare(selectRoomIDsWithAnyMembershipSQL); err != nil {
return nil, err
}
if s.selectCurrentStateStmt, err = db.Prepare(selectCurrentStateSQL); err != nil {
return nil, err
}
@ -194,6 +201,31 @@ func (s *currentRoomStateStatements) SelectRoomIDsWithMembership(
return result, rows.Err()
}
// SelectRoomIDsWithAnyMembership returns a map of all memberships for the given user.
func (s *currentRoomStateStatements) SelectRoomIDsWithAnyMembership(
ctx context.Context,
txn *sql.Tx,
userID string,
) (map[string]string, error) {
stmt := sqlutil.TxStmt(txn, s.selectRoomIDsWithAnyMembershipStmt)
rows, err := stmt.QueryContext(ctx, userID)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomIDsWithAnyMembership: rows.close() failed")
result := map[string]string{}
for rows.Next() {
var roomID string
var membership string
if err := rows.Scan(&roomID, &membership); err != nil {
return nil, err
}
result[roomID] = membership
}
return result, rows.Err()
}
// SelectCurrentState returns all the current state events for the given room.
func (s *currentRoomStateStatements) SelectCurrentState(
ctx context.Context, txn *sql.Tx, roomID string,

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@ -119,13 +119,14 @@ const selectStateInRangeSQL = "" +
"SELECT event_id, id, headered_event_json, exclude_from_sync, add_state_ids, remove_state_ids" +
" FROM syncapi_output_room_events" +
" WHERE (id > $1 AND id <= $2) AND (add_state_ids IS NOT NULL OR remove_state_ids IS NOT NULL)" +
" AND ( $3::text[] IS NULL OR sender = ANY($3) )" +
" AND ( $4::text[] IS NULL OR NOT(sender = ANY($4)) )" +
" AND ( $5::text[] IS NULL OR type LIKE ANY($5) )" +
" AND ( $6::text[] IS NULL OR NOT(type LIKE ANY($6)) )" +
" AND ( $7::bool IS NULL OR contains_url = $7 )" +
" AND room_id = ANY($3)" +
" 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)) )" +
" AND ( $8::bool IS NULL OR contains_url = $8 )" +
" ORDER BY id ASC" +
" LIMIT $8"
" LIMIT $9"
const deleteEventsForRoomSQL = "" +
"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
@ -200,12 +201,12 @@ func (s *outputRoomEventsStatements) UpdateEventJSON(ctx context.Context, event
// two positions, only the most recent state is returned.
func (s *outputRoomEventsStatements) SelectStateInRange(
ctx context.Context, txn *sql.Tx, r types.Range,
stateFilter *gomatrixserverlib.StateFilter,
stateFilter *gomatrixserverlib.StateFilter, roomIDs []string,
) (map[string]map[string]bool, map[string]types.StreamEvent, error) {
stmt := sqlutil.TxStmt(txn, s.selectStateInRangeStmt)
rows, err := stmt.QueryContext(
ctx, r.Low(), r.High(),
ctx, r.Low(), r.High(), pq.StringArray(roomIDs),
pq.StringArray(stateFilter.Senders),
pq.StringArray(stateFilter.NotSenders),
pq.StringArray(filterConvertTypeWildcardToSQL(stateFilter.Types)),

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@ -689,10 +689,26 @@ func (d *Database) GetStateDeltas(
var succeeded bool
defer sqlutil.EndTransactionWithCheck(txn, &succeeded, &err)
// Look up all memberships for the user. We only care about rooms that a
// user has ever interacted with — joined to, kicked/banned from, left.
memberships, err := d.CurrentRoomState.SelectRoomIDsWithAnyMembership(ctx, txn, userID)
if err != nil {
return nil, nil, err
}
allRoomIDs := make([]string, 0, len(memberships))
joinedRoomIDs := make([]string, 0, len(memberships))
for roomID, membership := range memberships {
allRoomIDs = append(allRoomIDs, roomID)
if membership == gomatrixserverlib.Join {
joinedRoomIDs = append(joinedRoomIDs, roomID)
}
}
var deltas []types.StateDelta
// get all the state events ever (i.e. for all available rooms) between these two positions
stateNeeded, eventMap, err := d.OutputEvents.SelectStateInRange(ctx, txn, r, stateFilter)
stateNeeded, eventMap, err := d.OutputEvents.SelectStateInRange(ctx, txn, r, stateFilter, allRoomIDs)
if err != nil {
return nil, nil, err
}
@ -760,10 +776,6 @@ func (d *Database) GetStateDeltas(
}
// Add in currently joined rooms
joinedRoomIDs, err := d.CurrentRoomState.SelectRoomIDsWithMembership(ctx, txn, userID, gomatrixserverlib.Join)
if err != nil {
return nil, nil, err
}
for _, joinedRoomID := range joinedRoomIDs {
deltas = append(deltas, types.StateDelta{
Membership: gomatrixserverlib.Join,
@ -792,6 +804,22 @@ func (d *Database) GetStateDeltasForFullStateSync(
var succeeded bool
defer sqlutil.EndTransactionWithCheck(txn, &succeeded, &err)
// Look up all memberships for the user. We only care about rooms that a
// user has ever interacted with — joined to, kicked/banned from, left.
memberships, err := d.CurrentRoomState.SelectRoomIDsWithAnyMembership(ctx, txn, userID)
if err != nil {
return nil, nil, err
}
allRoomIDs := make([]string, 0, len(memberships))
joinedRoomIDs := make([]string, 0, len(memberships))
for roomID, membership := range memberships {
allRoomIDs = append(allRoomIDs, roomID)
if membership == gomatrixserverlib.Join {
joinedRoomIDs = append(joinedRoomIDs, roomID)
}
}
// Use a reasonable initial capacity
deltas := make(map[string]types.StateDelta)
@ -816,7 +844,7 @@ func (d *Database) GetStateDeltasForFullStateSync(
}
// Get all the state events ever between these two positions
stateNeeded, eventMap, err := d.OutputEvents.SelectStateInRange(ctx, txn, r, stateFilter)
stateNeeded, eventMap, err := d.OutputEvents.SelectStateInRange(ctx, txn, r, stateFilter, allRoomIDs)
if err != nil {
return nil, nil, err
}
@ -842,11 +870,6 @@ func (d *Database) GetStateDeltasForFullStateSync(
}
}
joinedRoomIDs, err := d.CurrentRoomState.SelectRoomIDsWithMembership(ctx, txn, userID, gomatrixserverlib.Join)
if err != nil {
return nil, nil, err
}
// Add full states for all joined rooms
for _, joinedRoomID := range joinedRoomIDs {
s, stateErr := d.currentStateStreamEventsForRoom(ctx, txn, joinedRoomID, stateFilter)

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@ -66,6 +66,9 @@ const DeleteRoomStateForRoomSQL = "" +
const selectRoomIDsWithMembershipSQL = "" +
"SELECT DISTINCT room_id FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND membership = $2"
const selectRoomIDsWithAnyMembershipSQL = "" +
"SELECT DISTINCT room_id, membership FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1"
const selectCurrentStateSQL = "" +
"SELECT event_id, headered_event_json FROM syncapi_current_room_state WHERE room_id = $1"
@ -86,14 +89,15 @@ const selectEventsWithEventIDsSQL = "" +
" FROM syncapi_current_room_state WHERE event_id IN ($1)"
type currentRoomStateStatements struct {
db *sql.DB
streamIDStatements *streamIDStatements
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
DeleteRoomStateForRoomStmt *sql.Stmt
selectRoomIDsWithMembershipStmt *sql.Stmt
selectJoinedUsersStmt *sql.Stmt
selectStateEventStmt *sql.Stmt
db *sql.DB
streamIDStatements *streamIDStatements
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
DeleteRoomStateForRoomStmt *sql.Stmt
selectRoomIDsWithMembershipStmt *sql.Stmt
selectRoomIDsWithAnyMembershipStmt *sql.Stmt
selectJoinedUsersStmt *sql.Stmt
selectStateEventStmt *sql.Stmt
}
func NewSqliteCurrentRoomStateTable(db *sql.DB, streamID *streamIDStatements) (tables.CurrentRoomState, error) {
@ -117,6 +121,9 @@ func NewSqliteCurrentRoomStateTable(db *sql.DB, streamID *streamIDStatements) (t
if s.selectRoomIDsWithMembershipStmt, err = db.Prepare(selectRoomIDsWithMembershipSQL); err != nil {
return nil, err
}
if s.selectRoomIDsWithAnyMembershipStmt, err = db.Prepare(selectRoomIDsWithAnyMembershipSQL); err != nil {
return nil, err
}
if s.selectJoinedUsersStmt, err = db.Prepare(selectJoinedUsersSQL); err != nil {
return nil, err
}
@ -175,6 +182,31 @@ func (s *currentRoomStateStatements) SelectRoomIDsWithMembership(
return result, nil
}
// SelectRoomIDsWithAnyMembership returns a map of all memberships for the given user.
func (s *currentRoomStateStatements) SelectRoomIDsWithAnyMembership(
ctx context.Context,
txn *sql.Tx,
userID string,
) (map[string]string, error) {
stmt := sqlutil.TxStmt(txn, s.selectRoomIDsWithAnyMembershipStmt)
rows, err := stmt.QueryContext(ctx, userID)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomIDsWithAnyMembership: rows.close() failed")
result := map[string]string{}
for rows.Next() {
var roomID string
var membership string
if err := rows.Scan(&roomID, &membership); err != nil {
return nil, err
}
result[roomID] = membership
}
return result, rows.Err()
}
// CurrentState returns all the current state events for the given room.
func (s *currentRoomStateStatements) SelectCurrentState(
ctx context.Context, txn *sql.Tx, roomID string,

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@ -21,6 +21,7 @@ import (
"encoding/json"
"fmt"
"sort"
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/api"
@ -87,6 +88,7 @@ const selectStateInRangeSQL = "" +
"SELECT event_id, id, headered_event_json, exclude_from_sync, add_state_ids, remove_state_ids" +
" FROM syncapi_output_room_events" +
" WHERE (id > $1 AND id <= $2)" +
" AND room_id IN ($3)" +
" AND ((add_state_ids IS NOT NULL AND add_state_ids != '') OR (remove_state_ids IS NOT NULL AND remove_state_ids != ''))"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
@ -155,13 +157,17 @@ func (s *outputRoomEventsStatements) UpdateEventJSON(ctx context.Context, event
// two positions, only the most recent state is returned.
func (s *outputRoomEventsStatements) SelectStateInRange(
ctx context.Context, txn *sql.Tx, r types.Range,
stateFilter *gomatrixserverlib.StateFilter,
stateFilter *gomatrixserverlib.StateFilter, roomIDs []string,
) (map[string]map[string]bool, map[string]types.StreamEvent, error) {
stmtSQL := strings.Replace(selectStateInRangeSQL, "($3)", sqlutil.QueryVariadicOffset(len(roomIDs), 2), 1)
inputParams := []interface{}{
r.Low(), r.High(),
}
for _, roomID := range roomIDs {
inputParams = append(inputParams, roomID)
}
stmt, params, err := prepareWithFilters(
s.db, txn, selectStateInRangeSQL,
[]interface{}{
r.Low(), r.High(),
},
s.db, txn, stmtSQL, inputParams,
stateFilter.Senders, stateFilter.NotSenders,
stateFilter.Types, stateFilter.NotTypes,
nil, stateFilter.Limit, FilterOrderAsc,

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@ -51,7 +51,7 @@ type Peeks interface {
}
type Events interface {
SelectStateInRange(ctx context.Context, txn *sql.Tx, r types.Range, stateFilter *gomatrixserverlib.StateFilter) (map[string]map[string]bool, map[string]types.StreamEvent, error)
SelectStateInRange(ctx context.Context, txn *sql.Tx, r types.Range, stateFilter *gomatrixserverlib.StateFilter, roomIDs []string) (map[string]map[string]bool, map[string]types.StreamEvent, error)
SelectMaxEventID(ctx context.Context, txn *sql.Tx) (id int64, err error)
InsertEvent(ctx context.Context, txn *sql.Tx, event *gomatrixserverlib.HeaderedEvent, addState, removeState []string, transactionID *api.TransactionID, excludeFromSync bool) (streamPos types.StreamPosition, err error)
// SelectRecentEvents returns events between the two stream positions: exclusive of low and inclusive of high.
@ -99,6 +99,8 @@ type CurrentRoomState interface {
SelectCurrentState(ctx context.Context, txn *sql.Tx, roomID string, stateFilter *gomatrixserverlib.StateFilter, excludeEventIDs []string) ([]*gomatrixserverlib.HeaderedEvent, error)
// SelectRoomIDsWithMembership returns the list of room IDs which have the given user in the given membership state.
SelectRoomIDsWithMembership(ctx context.Context, txn *sql.Tx, userID string, membership string) ([]string, error)
// SelectRoomIDsWithAnyMembership returns a map of all memberships for the given user.
SelectRoomIDsWithAnyMembership(ctx context.Context, txn *sql.Tx, userID string) (map[string]string, error)
// SelectJoinedUsers returns a map of room ID to a list of joined user IDs.
SelectJoinedUsers(ctx context.Context) (map[string][]string, error)
}