diff options
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/database.py | 32 | ||||
| -rw-r--r-- | synapse/storage/databases/main/devices.py | 2 | ||||
| -rw-r--r-- | synapse/storage/databases/main/events.py | 12 | ||||
| -rw-r--r-- | synapse/storage/databases/main/room.py | 2 | ||||
| -rw-r--r-- | synapse/storage/databases/main/search.py | 4 |
5 files changed, 33 insertions, 19 deletions
diff --git a/synapse/storage/database.py b/synapse/storage/database.py index abc7d8a5d2..792f2e7cdf 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -1117,7 +1117,7 @@ class DatabasePool: txn: LoggingTransaction, table: str, keys: Collection[str], - values: Iterable[Iterable[Any]], + values: Collection[Iterable[Any]], ) -> None: """Executes an INSERT query on the named table. @@ -1130,6 +1130,9 @@ class DatabasePool: keys: list of column names values: for each row, a list of values in the same order as `keys` """ + # If there's nothing to insert, then skip executing the query. + if not values: + return if isinstance(txn.database_engine, PostgresEngine): # We use `execute_values` as it can be a lot faster than `execute_batch`, @@ -1455,7 +1458,7 @@ class DatabasePool: key_names: Collection[str], key_values: Collection[Iterable[Any]], value_names: Collection[str], - value_values: Iterable[Iterable[Any]], + value_values: Collection[Iterable[Any]], ) -> None: """ Upsert, many times. @@ -1468,6 +1471,19 @@ class DatabasePool: value_values: A list of each row's value column values. Ignored if value_names is empty. """ + # If there's nothing to upsert, then skip executing the query. + if not key_values: + return + + # No value columns, therefore make a blank list so that the following + # zip() works correctly. + if not value_names: + value_values = [() for x in range(len(key_values))] + elif len(value_values) != len(key_values): + raise ValueError( + f"{len(key_values)} key rows and {len(value_values)} value rows: should be the same number." + ) + if table not in self._unsafe_to_upsert_tables: return self.simple_upsert_many_txn_native_upsert( txn, table, key_names, key_values, value_names, value_values @@ -1502,10 +1518,6 @@ class DatabasePool: value_values: A list of each row's value column values. Ignored if value_names is empty. """ - # No value columns, therefore make a blank list so that the following - # zip() works correctly. - if not value_names: - value_values = [() for x in range(len(key_values))] # Lock the table just once, to prevent it being done once per row. # Note that, according to Postgres' documentation, once obtained, @@ -1543,10 +1555,7 @@ class DatabasePool: allnames.extend(value_names) if not value_names: - # No value columns, therefore make a blank list so that the - # following zip() works correctly. latter = "NOTHING" - value_values = [() for x in range(len(key_values))] else: latter = "UPDATE SET " + ", ".join( k + "=EXCLUDED." + k for k in value_names @@ -1910,6 +1919,7 @@ class DatabasePool: Returns: The results as a list of tuples. """ + # If there's nothing to select, then skip executing the query. if not iterable: return [] @@ -2044,6 +2054,9 @@ class DatabasePool: raise ValueError( f"{len(key_values)} key rows and {len(value_values)} value rows: should be the same number." ) + # If there is nothing to update, then skip executing the query. + if not key_values: + return # List of tuples of (value values, then key values) # (This matches the order needed for the query) @@ -2278,6 +2291,7 @@ class DatabasePool: Returns: Number rows deleted """ + # If there's nothing to delete, then skip executing the query. if not values: return 0 diff --git a/synapse/storage/databases/main/devices.py b/synapse/storage/databases/main/devices.py index b0811a4cf1..04d12a876c 100644 --- a/synapse/storage/databases/main/devices.py +++ b/synapse/storage/databases/main/devices.py @@ -703,7 +703,7 @@ class DeviceWorkerStore(RoomMemberWorkerStore, EndToEndKeyWorkerStore): key_names=("destination", "user_id"), key_values=[(destination, user_id) for user_id, _ in rows], value_names=("stream_id",), - value_values=((stream_id,) for _, stream_id in rows), + value_values=[(stream_id,) for _, stream_id in rows], ) # Delete all sent outbound pokes diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py index 647ba182f6..7c34bde3e5 100644 --- a/synapse/storage/databases/main/events.py +++ b/synapse/storage/databases/main/events.py @@ -1476,7 +1476,7 @@ class PersistEventsStore: txn, table="event_json", keys=("event_id", "room_id", "internal_metadata", "json", "format_version"), - values=( + values=[ ( event.event_id, event.room_id, @@ -1485,7 +1485,7 @@ class PersistEventsStore: event.format_version, ) for event, _ in events_and_contexts - ), + ], ) self.db_pool.simple_insert_many_txn( @@ -1508,7 +1508,7 @@ class PersistEventsStore: "state_key", "rejection_reason", ), - values=( + values=[ ( self._instance_name, event.internal_metadata.stream_ordering, @@ -1527,7 +1527,7 @@ class PersistEventsStore: context.rejected, ) for event, context in events_and_contexts - ), + ], ) # If we're persisting an unredacted event we go and ensure @@ -1550,11 +1550,11 @@ class PersistEventsStore: txn, table="state_events", keys=("event_id", "room_id", "type", "state_key"), - values=( + values=[ (event.event_id, event.room_id, event.type, event.state_key) for event, _ in events_and_contexts if event.is_state() - ), + ], ) def _store_rejected_events_txn( diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py index 6d4b9891e7..afb880532e 100644 --- a/synapse/storage/databases/main/room.py +++ b/synapse/storage/databases/main/room.py @@ -2268,7 +2268,7 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore): txn, table="partial_state_rooms_servers", keys=("room_id", "server_name"), - values=((room_id, s) for s in servers), + values=[(room_id, s) for s in servers], ) self._invalidate_cache_and_stream(txn, self.is_partial_state_room, (room_id,)) self._invalidate_cache_and_stream( diff --git a/synapse/storage/databases/main/search.py b/synapse/storage/databases/main/search.py index dbde9130c6..f4bef4c99b 100644 --- a/synapse/storage/databases/main/search.py +++ b/synapse/storage/databases/main/search.py @@ -106,7 +106,7 @@ class SearchWorkerStore(SQLBaseStore): txn, table="event_search", keys=("event_id", "room_id", "key", "value"), - values=( + values=[ ( entry.event_id, entry.room_id, @@ -114,7 +114,7 @@ class SearchWorkerStore(SQLBaseStore): _clean_value_for_search(entry.value), ) for entry in entries - ), + ], ) else: |