diff options
| -rw-r--r-- | changelog.d/11570.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/databases/main/event_federation.py | 6 | ||||
| -rw-r--r-- | synapse/storage/databases/main/metrics.py | 18 | ||||
| -rw-r--r-- | synapse/storage/databases/main/monthly_active_users.py | 4 | ||||
| -rw-r--r-- | synapse/storage/databases/main/registration.py | 4 | ||||
| -rw-r--r-- | synapse/storage/databases/main/relations.py | 2 | ||||
| -rw-r--r-- | synapse/storage/databases/main/room.py | 2 | ||||
| -rw-r--r-- | synapse/storage/databases/main/stats.py | 2 | ||||
| -rw-r--r-- | tests/storage/test_event_federation.py | 2 |
9 files changed, 20 insertions, 21 deletions
diff --git a/changelog.d/11570.misc b/changelog.d/11570.misc new file mode 100644 index 0000000000..d9af8bdb05 --- /dev/null +++ b/changelog.d/11570.misc @@ -0,0 +1 @@ +Remove redundant `COALESCE()`s around `COUNT()`s in database queries. diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py index 2287f1cc68..bc5ff25d08 100644 --- a/synapse/storage/databases/main/event_federation.py +++ b/synapse/storage/databases/main/event_federation.py @@ -1393,7 +1393,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas count = await self.db_pool.simple_select_one_onecol( table="federation_inbound_events_staging", keyvalues={"room_id": room_id}, - retcol="COALESCE(COUNT(*), 0)", + retcol="COUNT(*)", desc="prune_staged_events_in_room_count", ) @@ -1485,9 +1485,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas """Update the prometheus metrics for the inbound federation staging area.""" def _get_stats_for_federation_staging_txn(txn): - txn.execute( - "SELECT coalesce(count(*), 0) FROM federation_inbound_events_staging" - ) + txn.execute("SELECT count(*) FROM federation_inbound_events_staging") (count,) = txn.fetchone() txn.execute( diff --git a/synapse/storage/databases/main/metrics.py b/synapse/storage/databases/main/metrics.py index 3bb21958d1..1480a0f048 100644 --- a/synapse/storage/databases/main/metrics.py +++ b/synapse/storage/databases/main/metrics.py @@ -105,7 +105,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): def _count_messages(txn): sql = """ - SELECT COALESCE(COUNT(*), 0) FROM events + SELECT COUNT(*) FROM events WHERE type = 'm.room.encrypted' AND stream_ordering > ? """ @@ -122,7 +122,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): like_clause = "%:" + self.hs.hostname sql = """ - SELECT COALESCE(COUNT(*), 0) FROM events + SELECT COUNT(*) FROM events WHERE type = 'm.room.encrypted' AND sender LIKE ? AND stream_ordering > ? @@ -139,7 +139,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): async def count_daily_active_e2ee_rooms(self): def _count(txn): sql = """ - SELECT COALESCE(COUNT(DISTINCT room_id), 0) FROM events + SELECT COUNT(DISTINCT room_id) FROM events WHERE type = 'm.room.encrypted' AND stream_ordering > ? """ @@ -161,7 +161,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): def _count_messages(txn): sql = """ - SELECT COALESCE(COUNT(*), 0) FROM events + SELECT COUNT(*) FROM events WHERE type = 'm.room.message' AND stream_ordering > ? """ @@ -178,7 +178,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): like_clause = "%:" + self.hs.hostname sql = """ - SELECT COALESCE(COUNT(*), 0) FROM events + SELECT COUNT(*) FROM events WHERE type = 'm.room.message' AND sender LIKE ? AND stream_ordering > ? @@ -195,7 +195,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): async def count_daily_active_rooms(self): def _count(txn): sql = """ - SELECT COALESCE(COUNT(DISTINCT room_id), 0) FROM events + SELECT COUNT(DISTINCT room_id) FROM events WHERE type = 'm.room.message' AND stream_ordering > ? """ @@ -231,7 +231,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): Returns number of users seen in the past time_from period """ sql = """ - SELECT COALESCE(count(*), 0) FROM ( + SELECT COUNT(*) FROM ( SELECT user_id FROM user_ips WHERE last_seen > ? GROUP BY user_id @@ -258,7 +258,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): thirty_days_ago_in_secs = now - thirty_days_in_secs sql = """ - SELECT platform, COALESCE(count(*), 0) FROM ( + SELECT platform, COUNT(*) FROM ( SELECT users.name, platform, users.creation_ts * 1000, MAX(uip.last_seen) @@ -296,7 +296,7 @@ class ServerMetricsStore(EventPushActionsWorkerStore, SQLBaseStore): results[row[0]] = row[1] sql = """ - SELECT COALESCE(count(*), 0) FROM ( + SELECT COUNT(*) FROM ( SELECT users.name, users.creation_ts * 1000, MAX(uip.last_seen) FROM users diff --git a/synapse/storage/databases/main/monthly_active_users.py b/synapse/storage/databases/main/monthly_active_users.py index 65b7e307e1..8f09dd8e87 100644 --- a/synapse/storage/databases/main/monthly_active_users.py +++ b/synapse/storage/databases/main/monthly_active_users.py @@ -59,7 +59,7 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore): def _count_users(txn): # Exclude app service users sql = """ - SELECT COALESCE(count(*), 0) + SELECT COUNT(*) FROM monthly_active_users LEFT JOIN users ON monthly_active_users.user_id=users.name @@ -86,7 +86,7 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore): def _count_users_by_service(txn): sql = """ - SELECT COALESCE(appservice_id, 'native'), COALESCE(count(*), 0) + SELECT COALESCE(appservice_id, 'native'), COUNT(*) FROM monthly_active_users LEFT JOIN users ON monthly_active_users.user_id=users.name GROUP BY appservice_id; diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py index 86c3425716..29d9d4de96 100644 --- a/synapse/storage/databases/main/registration.py +++ b/synapse/storage/databases/main/registration.py @@ -794,7 +794,7 @@ class RegistrationWorkerStore(CacheInvalidationWorkerStore): yesterday = int(self._clock.time()) - (60 * 60 * 24) sql = """ - SELECT user_type, COALESCE(count(*), 0) AS count FROM ( + SELECT user_type, COUNT(*) AS count FROM ( SELECT CASE WHEN is_guest=0 AND appservice_id IS NULL THEN 'native' @@ -819,7 +819,7 @@ class RegistrationWorkerStore(CacheInvalidationWorkerStore): def _count_users(txn): txn.execute( """ - SELECT COALESCE(COUNT(*), 0) FROM users + SELECT COUNT(*) FROM users WHERE appservice_id IS NULL """ ) diff --git a/synapse/storage/databases/main/relations.py b/synapse/storage/databases/main/relations.py index 3368a8b084..729ff17e2e 100644 --- a/synapse/storage/databases/main/relations.py +++ b/synapse/storage/databases/main/relations.py @@ -390,7 +390,7 @@ class RelationsWorkerStore(SQLBaseStore): latest_event_id = row[0] sql = """ - SELECT COALESCE(COUNT(event_id), 0) + SELECT COUNT(event_id) FROM event_relations INNER JOIN events USING (event_id) WHERE diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py index 28c4b65bbd..6cf6cc8484 100644 --- a/synapse/storage/databases/main/room.py +++ b/synapse/storage/databases/main/room.py @@ -217,7 +217,7 @@ class RoomWorkerStore(SQLBaseStore): sql = """ SELECT - COALESCE(COUNT(*), 0) + COUNT(*) FROM ( %(published_sql)s ) published diff --git a/synapse/storage/databases/main/stats.py b/synapse/storage/databases/main/stats.py index 9020e0976c..a0472e37f5 100644 --- a/synapse/storage/databases/main/stats.py +++ b/synapse/storage/databases/main/stats.py @@ -538,7 +538,7 @@ class StatsStore(StateDeltasStore): txn.execute( """ - SELECT COALESCE(count(*), 0) FROM current_state_events + SELECT COUNT(*) FROM current_state_events WHERE room_id = ? """, (room_id,), diff --git a/tests/storage/test_event_federation.py b/tests/storage/test_event_federation.py index c3fcf7e7b4..ecfda7677e 100644 --- a/tests/storage/test_event_federation.py +++ b/tests/storage/test_event_federation.py @@ -550,7 +550,7 @@ class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase): self.store.db_pool.simple_select_one_onecol( table="federation_inbound_events_staging", keyvalues={"room_id": room_id}, - retcol="COALESCE(COUNT(*), 0)", + retcol="COUNT(*)", desc="test_prune_inbound_federation_queue", ) ) |