diff options
Diffstat (limited to 'synapse')
-rw-r--r-- | synapse/storage/databases/main/relations.py | 5 | ||||
-rw-r--r-- | synapse/util/caches/descriptors.py | 15 |
2 files changed, 11 insertions, 9 deletions
diff --git a/synapse/storage/databases/main/relations.py b/synapse/storage/databases/main/relations.py index 3b1b2ce6cb..b457bc189e 100644 --- a/synapse/storage/databases/main/relations.py +++ b/synapse/storage/databases/main/relations.py @@ -13,7 +13,6 @@ # limitations under the License. import logging -from collections import defaultdict from typing import ( Collection, Dict, @@ -810,7 +809,9 @@ class RelationsWorkerStore(SQLBaseStore): txn: LoggingTransaction, ) -> Dict[str, Set[Tuple[str, str]]]: txn.execute(sql, [event_id] + rel_type_args) - result = defaultdict(set) + result: Dict[str, Set[Tuple[str, str]]] = { + rel_type: set() for rel_type in relation_types + } for rel_type, sender, type in txn.fetchall(): result[rel_type].add((sender, type)) return result diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index eda92d864d..867f315b2a 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -595,13 +595,14 @@ def cached( def cachedList( *, cached_method_name: str, list_name: str, num_args: Optional[int] = None ) -> Callable[[F], _CachedFunction[F]]: - """Creates a descriptor that wraps a function in a `CacheListDescriptor`. + """Creates a descriptor that wraps a function in a `DeferredCacheListDescriptor`. - Used to do batch lookups for an already created cache. A single argument + Used to do batch lookups for an already created cache. One of the arguments is specified as a list that is iterated through to lookup keys in the original cache. A new tuple consisting of the (deduplicated) keys that weren't in - the cache gets passed to the original function, the result of which is stored in the - cache. + the cache gets passed to the original function, which is expected to results + in a map of key to value for each passed value. THe new results are stored in the + original cache. Note that any missing values are cached as None. Args: cached_method_name: The name of the single-item lookup method. @@ -614,11 +615,11 @@ def cachedList( Example: class Example: - @cached(num_args=2) - def do_something(self, first_arg): + @cached() + def do_something(self, first_arg, second_arg): ... - @cachedList(do_something.cache, list_name="second_args", num_args=2) + @cachedList(cached_method_name="do_something", list_name="second_args") def batch_do_something(self, first_arg, second_args): ... """ |