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Give same treatment to room version lookups

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This commit is contained in:
Neil Alexander 2020-12-15 18:02:22 +00:00
parent 5758b38628
commit b0d24163c6
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GPG key ID: A02A2019A2BB0944
4 changed files with 76 additions and 41 deletions
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42
roomserver/storage/postgres/rooms_table.go
View file

@ -18,7 +18,6 @@ package postgres
import (
"context"
"database/sql"
"errors"
"github.com/lib/pq"
"github.com/matrix-org/dendrite/internal"
@ -69,8 +68,8 @@ const selectLatestEventNIDsForUpdateSQL = "" +
const updateLatestEventNIDsSQL = "" +
"UPDATE roomserver_rooms SET latest_event_nids = $2, last_event_sent_nid = $3, state_snapshot_nid = $4 WHERE room_nid = $1"
const selectRoomVersionForRoomNIDSQL = "" +
"SELECT room_version FROM roomserver_rooms WHERE room_nid = $1"
const selectRoomVersionsForRoomNIDsSQL = "" +
"SELECT room_nid, room_version FROM roomserver_rooms WHERE room_nid = ANY($1)"
const selectRoomInfoSQL = "" +
"SELECT room_version, room_nid, state_snapshot_nid, latest_event_nids FROM roomserver_rooms WHERE room_id = $1"
@ -90,7 +89,7 @@ type roomStatements struct {
selectLatestEventNIDsStmt *sql.Stmt
selectLatestEventNIDsForUpdateStmt *sql.Stmt
updateLatestEventNIDsStmt *sql.Stmt
selectRoomVersionForRoomNIDStmt *sql.Stmt
selectRoomVersionsForRoomNIDsStmt *sql.Stmt
selectRoomInfoStmt *sql.Stmt
selectRoomIDsStmt *sql.Stmt
bulkSelectRoomIDsStmt *sql.Stmt
@ -109,7 +108,7 @@ func NewPostgresRoomsTable(db *sql.DB) (tables.Rooms, error) {
{&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL},
{&s.selectLatestEventNIDsForUpdateStmt, selectLatestEventNIDsForUpdateSQL},
{&s.updateLatestEventNIDsStmt, updateLatestEventNIDsSQL},
{&s.selectRoomVersionForRoomNIDStmt, selectRoomVersionForRoomNIDSQL},
{&s.selectRoomVersionsForRoomNIDsStmt, selectRoomVersionsForRoomNIDsSQL},
{&s.selectRoomInfoStmt, selectRoomInfoSQL},
{&s.selectRoomIDsStmt, selectRoomIDsSQL},
{&s.bulkSelectRoomIDsStmt, bulkSelectRoomIDsSQL},
@ -219,15 +218,24 @@ func (s *roomStatements) UpdateLatestEventNIDs(
return err
}
func (s *roomStatements) SelectRoomVersionForRoomNID(
ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion
err := s.selectRoomVersionForRoomNIDStmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
if err == sql.ErrNoRows {
return roomVersion, errors.New("room not found")
func (s *roomStatements) SelectRoomVersionsForRoomNIDs(
ctx context.Context, roomNIDs []types.RoomNID,
) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error) {
rows, err := s.selectRoomVersionsForRoomNIDsStmt.QueryContext(ctx, roomNIDsAsArray(roomNIDs))
if err != nil {
return nil, err
}
return roomVersion, err
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomVersionsForRoomNIDsStmt: rows.close() failed")
result := make(map[types.RoomNID]gomatrixserverlib.RoomVersion)
for rows.Next() {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
if err = rows.Scan(&roomNID, &roomVersion); err != nil {
return nil, err
}
result[roomNID] = roomVersion
}
return result, nil
}
func (s *roomStatements) BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error) {
@ -271,3 +279,11 @@ func (s *roomStatements) BulkSelectRoomNIDs(ctx context.Context, roomIDs []strin
}
return roomNIDs, nil
}
func roomNIDsAsArray(roomNIDs []types.RoomNID) pq.Int64Array {
nids := make([]int64, len(roomNIDs))
for i := range roomNIDs {
nids[i] = int64(roomNIDs[i])
}
return nids
}

26
roomserver/storage/shared/storage.go
View file

@ -318,22 +318,24 @@ func (d *Database) Events(
if err != nil {
return nil, err
}
uniqueRoomNIDs := make(map[types.RoomNID]struct{})
for _, n := range roomNIDs {
uniqueRoomNIDs[n] = struct{}{}
}
roomNIDList := make([]types.RoomNID, 0, len(uniqueRoomNIDs))
for n := range uniqueRoomNIDs {
roomNIDList = append(roomNIDList, n)
}
roomVersions, err := d.RoomsTable.SelectRoomVersionsForRoomNIDs(ctx, roomNIDList)
if err != nil {
return nil, err
}
results := make([]types.Event, len(eventJSONs))
for i, eventJSON := range eventJSONs {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
result := &results[i]
result.EventNID = eventJSON.EventNID
roomNID = roomNIDs[result.EventNID]
if roomID, ok := d.Cache.GetRoomServerRoomID(roomNID); ok {
roomVersion, _ = d.Cache.GetRoomVersion(roomID)
}
if roomVersion == "" {
roomVersion, err = d.RoomsTable.SelectRoomVersionForRoomNID(ctx, roomNID)
if err != nil {
return nil, err
}
}
roomNID := roomNIDs[result.EventNID]
roomVersion := roomVersions[roomNID]
result.Event, err = gomatrixserverlib.NewEventFromTrustedJSONWithEventID(
eventIDs[eventJSON.EventNID], eventJSON.EventJSON, false, roomVersion,
)

47
roomserver/storage/sqlite3/rooms_table.go
View file

@ -19,7 +19,6 @@ import (
"context"
"database/sql"
"encoding/json"
"errors"
"fmt"
"strings"
@ -60,8 +59,8 @@ const selectLatestEventNIDsForUpdateSQL = "" +
const updateLatestEventNIDsSQL = "" +
"UPDATE roomserver_rooms SET latest_event_nids = $1, last_event_sent_nid = $2, state_snapshot_nid = $3 WHERE room_nid = $4"
const selectRoomVersionForRoomNIDSQL = "" +
"SELECT room_version FROM roomserver_rooms WHERE room_nid = $1"
const selectRoomVersionsForRoomNIDsSQL = "" +
"SELECT room_nid, room_version FROM roomserver_rooms WHERE room_nid IN ($1)"
const selectRoomInfoSQL = "" +
"SELECT room_version, room_nid, state_snapshot_nid, latest_event_nids FROM roomserver_rooms WHERE room_id = $1"
@ -82,9 +81,9 @@ type roomStatements struct {
selectLatestEventNIDsStmt *sql.Stmt
selectLatestEventNIDsForUpdateStmt *sql.Stmt
updateLatestEventNIDsStmt *sql.Stmt
selectRoomVersionForRoomNIDStmt *sql.Stmt
selectRoomInfoStmt *sql.Stmt
selectRoomIDsStmt *sql.Stmt
//selectRoomVersionForRoomNIDStmt *sql.Stmt
selectRoomInfoStmt *sql.Stmt
selectRoomIDsStmt *sql.Stmt
}
func NewSqliteRoomsTable(db *sql.DB) (tables.Rooms, error) {
@ -101,7 +100,7 @@ func NewSqliteRoomsTable(db *sql.DB) (tables.Rooms, error) {
{&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL},
{&s.selectLatestEventNIDsForUpdateStmt, selectLatestEventNIDsForUpdateSQL},
{&s.updateLatestEventNIDsStmt, updateLatestEventNIDsSQL},
{&s.selectRoomVersionForRoomNIDStmt, selectRoomVersionForRoomNIDSQL},
//{&s.selectRoomVersionForRoomNIDsStmt, selectRoomVersionForRoomNIDsSQL},
{&s.selectRoomInfoStmt, selectRoomInfoSQL},
{&s.selectRoomIDsStmt, selectRoomIDsSQL},
}.Prepare(db)
@ -223,15 +222,33 @@ func (s *roomStatements) UpdateLatestEventNIDs(
return err
}
func (s *roomStatements) SelectRoomVersionForRoomNID(
ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion
err := s.selectRoomVersionForRoomNIDStmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
if err == sql.ErrNoRows {
return roomVersion, errors.New("room not found")
func (s *roomStatements) SelectRoomVersionsForRoomNIDs(
ctx context.Context, roomNIDs []types.RoomNID,
) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error) {
sqlStr := strings.Replace(selectRoomVersionsForRoomNIDsSQL, "($1)", sqlutil.QueryVariadic(len(roomNIDs)), 1)
sqlPrep, err := s.db.Prepare(sqlStr)
if err != nil {
return nil, err
}
return roomVersion, err
iRoomNIDs := make([]interface{}, len(roomNIDs))
for i, v := range roomNIDs {
iRoomNIDs[i] = v
}
rows, err := sqlPrep.QueryContext(ctx, iRoomNIDs...)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomVersionsForRoomNIDsStmt: rows.close() failed")
result := make(map[types.RoomNID]gomatrixserverlib.RoomVersion)
for rows.Next() {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
if err = rows.Scan(&roomNID, &roomVersion); err != nil {
return nil, err
}
result[roomNID] = roomVersion
}
return result, nil
}
func (s *roomStatements) BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error) {

2
roomserver/storage/tables/interface.go
View file

@ -68,7 +68,7 @@ type Rooms interface {
SelectLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.StateSnapshotNID, error)
SelectLatestEventsNIDsForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error)
UpdateLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventNIDs []types.EventNID, lastEventSentNID types.EventNID, stateSnapshotNID types.StateSnapshotNID) error
SelectRoomVersionForRoomNID(ctx context.Context, roomNID types.RoomNID) (gomatrixserverlib.RoomVersion, error)
SelectRoomVersionsForRoomNIDs(ctx context.Context, roomNID []types.RoomNID) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error)
SelectRoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
SelectRoomIDs(ctx context.Context) ([]string, error)
BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error)