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-rw-r--r--synapse/storage/_base.py40
1 files changed, 29 insertions, 11 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index c659004e8d..51730a88bf 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -52,20 +52,27 @@ class LoggingTransaction(object):
     """An object that almost-transparently proxies for the 'txn' object
     passed to the constructor. Adds logging and metrics to the .execute()
     method."""
-    __slots__ = ["txn", "name", "database_engine", "after_callbacks"]
+    __slots__ = [
+        "txn", "name", "database_engine", "after_callbacks", "final_callbacks",
+    ]
 
-    def __init__(self, txn, name, database_engine, after_callbacks):
+    def __init__(self, txn, name, database_engine, after_callbacks,
+                 final_callbacks):
         object.__setattr__(self, "txn", txn)
         object.__setattr__(self, "name", name)
         object.__setattr__(self, "database_engine", database_engine)
         object.__setattr__(self, "after_callbacks", after_callbacks)
+        object.__setattr__(self, "final_callbacks", final_callbacks)
 
-    def call_after(self, callback, *args):
+    def call_after(self, callback, *args, **kwargs):
         """Call the given callback on the main twisted thread after the
         transaction has finished. Used to invalidate the caches on the
         correct thread.
         """
-        self.after_callbacks.append((callback, args))
+        self.after_callbacks.append((callback, args, kwargs))
+
+    def call_finally(self, callback, *args, **kwargs):
+        self.final_callbacks.append((callback, args, kwargs))
 
     def __getattr__(self, name):
         return getattr(self.txn, name)
@@ -217,8 +224,8 @@ class SQLBaseStore(object):
 
         self._clock.looping_call(loop, 10000)
 
-    def _new_transaction(self, conn, desc, after_callbacks, logging_context,
-                         func, *args, **kwargs):
+    def _new_transaction(self, conn, desc, after_callbacks, final_callbacks,
+                         logging_context, func, *args, **kwargs):
         start = time.time() * 1000
         txn_id = self._TXN_ID
 
@@ -237,7 +244,8 @@ class SQLBaseStore(object):
                 try:
                     txn = conn.cursor()
                     txn = LoggingTransaction(
-                        txn, name, self.database_engine, after_callbacks
+                        txn, name, self.database_engine, after_callbacks,
+                        final_callbacks,
                     )
                     r = func(txn, *args, **kwargs)
                     conn.commit()
@@ -298,6 +306,7 @@ class SQLBaseStore(object):
         start_time = time.time() * 1000
 
         after_callbacks = []
+        final_callbacks = []
 
         def inner_func(conn, *args, **kwargs):
             with LoggingContext("runInteraction") as context:
@@ -309,7 +318,7 @@ class SQLBaseStore(object):
 
                 current_context.copy_to(context)
                 return self._new_transaction(
-                    conn, desc, after_callbacks, current_context,
+                    conn, desc, after_callbacks, final_callbacks, current_context,
                     func, *args, **kwargs
                 )
 
@@ -318,9 +327,13 @@ class SQLBaseStore(object):
                 result = yield self._db_pool.runWithConnection(
                     inner_func, *args, **kwargs
                 )
+
+            for after_callback, after_args, after_kwargs in after_callbacks:
+                after_callback(*after_args, **after_kwargs)
         finally:
-            for after_callback, after_args in after_callbacks:
-                after_callback(*after_args)
+            for after_callback, after_args, after_kwargs in final_callbacks:
+                after_callback(*after_args, **after_kwargs)
+
         defer.returnValue(result)
 
     @defer.inlineCallbacks
@@ -425,6 +438,11 @@ class SQLBaseStore(object):
 
         txn.execute(sql, vals)
 
+    def _simple_insert_many(self, table, values, desc):
+        return self.runInteraction(
+            desc, self._simple_insert_many_txn, table, values
+        )
+
     @staticmethod
     def _simple_insert_many_txn(txn, table, values):
         if not values:
@@ -936,7 +954,7 @@ class SQLBaseStore(object):
             # __exit__ called after the transaction finishes.
             ctx = self._cache_id_gen.get_next()
             stream_id = ctx.__enter__()
-            txn.call_after(ctx.__exit__, None, None, None)
+            txn.call_finally(ctx.__exit__, None, None, None)
             txn.call_after(self.hs.get_notifier().on_new_replication_data)
 
             self._simple_insert_txn(