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Don't recalculate event ID so often in sync (#1624)

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* Don't bail so quickly in fetchMissingStateEvents

* Don't recalculate event IDs so often in sync API

* Add comments

* Fix comments

* Update to matrix-org/gomatrixserverlib@eb6a890
This commit is contained in:
Neil Alexander 2020-12-09 18:07:17 +00:00 • committed by GitHub
parent 851c02659a
commit bad81c028f
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 45 additions and 31 deletions
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11
syncapi/storage/postgres/current_room_state_table.go
View file

@ -76,7 +76,7 @@ const selectRoomIDsWithMembershipSQL = "" +
"SELECT DISTINCT room_id FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND membership = $2"
const selectCurrentStateSQL = "" +
"SELECT headered_event_json FROM syncapi_current_room_state WHERE room_id = $1" +
"SELECT event_id, headered_event_json FROM syncapi_current_room_state WHERE room_id = $1" +
" AND ( $2::text[] IS NULL OR sender = ANY($2) )" +
" AND ( $3::text[] IS NULL OR NOT(sender = ANY($3)) )" +
" AND ( $4::text[] IS NULL OR type LIKE ANY($4) )" +
@ -92,10 +92,10 @@ const selectStateEventSQL = "" +
const selectEventsWithEventIDsSQL = "" +
// TODO: The session_id and transaction_id blanks are here because otherwise
// the rowsToStreamEvents expects there to be exactly five columns. We need to
// the rowsToStreamEvents expects there to be exactly six columns. We need to
// figure out if these really need to be in the DB, and if so, we need a
// better permanent fix for this. - neilalexander, 2 Jan 2020
"SELECT added_at, headered_event_json, 0 AS session_id, false AS exclude_from_sync, '' AS transaction_id" +
"SELECT event_id, added_at, headered_event_json, 0 AS session_id, false AS exclude_from_sync, '' AS transaction_id" +
" FROM syncapi_current_room_state WHERE event_id = ANY($1)"
type currentRoomStateStatements struct {
@ -278,13 +278,14 @@ func (s *currentRoomStateStatements) SelectEventsWithEventIDs(
func rowsToEvents(rows *sql.Rows) ([]*gomatrixserverlib.HeaderedEvent, error) {
result := []*gomatrixserverlib.HeaderedEvent{}
for rows.Next() {
var eventID string
var eventBytes []byte
if err := rows.Scan(&eventBytes); err != nil {
if err := rows.Scan(&eventID, &eventBytes); err != nil {
return nil, err
}
// TODO: Handle redacted events
var ev gomatrixserverlib.HeaderedEvent
if err := json.Unmarshal(eventBytes, &ev); err != nil {
if err := ev.UnmarshalJSONWithEventID(eventBytes, eventID); err != nil {
return nil, err
}
result = append(result, &ev)

13
syncapi/storage/postgres/output_room_events_table.go
View file

@ -79,20 +79,20 @@ const insertEventSQL = "" +
"RETURNING id"
const selectEventsSQL = "" +
"SELECT id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events WHERE event_id = ANY($1)"
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events WHERE event_id = ANY($1)"
const selectRecentEventsSQL = "" +
"SELECT id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
"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"
const selectRecentEventsForSyncSQL = "" +
"SELECT id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
"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"
const selectEarlyEventsSQL = "" +
"SELECT id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
"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 ASC LIMIT $4"
@ -413,6 +413,7 @@ func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
var result []types.StreamEvent
for rows.Next() {
var (
eventID string
streamPos types.StreamPosition
eventBytes []byte
excludeFromSync bool
@ -420,12 +421,12 @@ func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
txnID *string
transactionID *api.TransactionID
)
if err := rows.Scan(&streamPos, &eventBytes, &sessionID, &excludeFromSync, &txnID); err != nil {
if err := rows.Scan(&eventID, &streamPos, &eventBytes, &sessionID, &excludeFromSync, &txnID); err != nil {
return nil, err
}
// TODO: Handle redacted events
var ev gomatrixserverlib.HeaderedEvent
if err := json.Unmarshal(eventBytes, &ev); err != nil {
if err := ev.UnmarshalJSONWithEventID(eventBytes, eventID); err != nil {
return nil, err
}