diff --git a/synapse/storage/database.py b/synapse/storage/database.py
index 5efe31aa19..fec4ae5b97 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -34,6 +34,7 @@ from typing import (
Tuple,
Type,
TypeVar,
+ Union,
cast,
overload,
)
@@ -100,6 +101,15 @@ UNIQUE_INDEX_BACKGROUND_UPDATES = {
}
+class _PoolConnection(Connection):
+ """
+ A Connection from twisted.enterprise.adbapi.Connection.
+ """
+
+ def reconnect(self) -> None:
+ ...
+
+
def make_pool(
reactor: IReactorCore,
db_config: DatabaseConnectionConfig,
@@ -856,7 +866,8 @@ class DatabasePool:
try:
with opentracing.start_active_span(f"db.{desc}"):
result = await self.runWithConnection(
- self.new_transaction,
+ # mypy seems to have an issue with this, maybe a bug?
+ self.new_transaction, # type: ignore[arg-type]
desc,
after_callbacks,
async_after_callbacks,
@@ -892,7 +903,7 @@ class DatabasePool:
async def runWithConnection(
self,
- func: Callable[..., R],
+ func: Callable[Concatenate[LoggingDatabaseConnection, P], R],
*args: Any,
db_autocommit: bool = False,
isolation_level: Optional[int] = None,
@@ -926,7 +937,7 @@ class DatabasePool:
start_time = monotonic_time()
- def inner_func(conn, *args, **kwargs):
+ def inner_func(conn: _PoolConnection, *args: P.args, **kwargs: P.kwargs) -> R:
# We shouldn't be in a transaction. If we are then something
# somewhere hasn't committed after doing work. (This is likely only
# possible during startup, as `run*` will ensure changes are
@@ -1019,7 +1030,7 @@ class DatabasePool:
decoder: Optional[Callable[[Cursor], R]],
query: str,
*args: Any,
- ) -> R:
+ ) -> Union[List[Tuple[Any, ...]], R]:
"""Runs a single query for a result set.
Args:
@@ -1032,7 +1043,7 @@ class DatabasePool:
The result of decoder(results)
"""
- def interaction(txn):
+ def interaction(txn: LoggingTransaction) -> Union[List[Tuple[Any, ...]], R]:
txn.execute(query, args)
if decoder:
return decoder(txn)
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