1 files changed, 12 insertions, 8 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 8037225079..8a36f0bc6a 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -34,6 +34,10 @@ class SQLBaseStore(object):
         self.event_factory = hs.get_event_factory()
         self._clock = hs.get_clock()
 
+    def runInteraction(self, txn, *args, **kwargs):
+        """Wraps the .runInteraction() method on the underlying db_pool."""
+        return self._db_pool.runInteraction(txn, *args, **kwargs)
+
     def cursor_to_dict(self, cursor):
         """Converts a SQL cursor into an list of dicts.
 
@@ -71,7 +75,7 @@ class SQLBaseStore(object):
             else:
                 return cursor.fetchall()
 
-        return self._db_pool.runInteraction(interaction)
+        return self.runInteraction(interaction)
 
     def _execute_and_decode(self, query, *args):
         return self._execute(self.cursor_to_dict, query, *args)
@@ -87,7 +91,7 @@ class SQLBaseStore(object):
             values : dict of new column names and values for them
             or_replace : bool; if True performs an INSERT OR REPLACE
         """
-        return self._db_pool.runInteraction(
+        return self.runInteraction(
             self._simple_insert_txn, table, values, or_replace=or_replace
         )
 
@@ -164,7 +168,7 @@ class SQLBaseStore(object):
             txn.execute(sql, keyvalues.values())
             return txn.fetchall()
 
-        res = yield self._db_pool.runInteraction(func)
+        res = yield self.runInteraction(func)
 
         defer.returnValue([r[0] for r in res])
 
@@ -187,7 +191,7 @@ class SQLBaseStore(object):
             txn.execute(sql, keyvalues.values())
             return self.cursor_to_dict(txn)
 
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_update_one(self, table, keyvalues, updatevalues,
                            retcols=None):
@@ -255,7 +259,7 @@ class SQLBaseStore(object):
                     raise StoreError(500, "More than one row matched")
 
             return ret
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_delete_one(self, table, keyvalues):
         """Executes a DELETE query on the named table, expecting to delete a
@@ -276,7 +280,7 @@ class SQLBaseStore(object):
                 raise StoreError(404, "No row found")
             if txn.rowcount > 1:
                 raise StoreError(500, "more than one row matched")
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _simple_max_id(self, table):
         """Executes a SELECT query on the named table, expecting to return the
@@ -294,7 +298,7 @@ class SQLBaseStore(object):
                 return 0
             return max_id
 
-        return self._db_pool.runInteraction(func)
+        return self.runInteraction(func)
 
     def _parse_event_from_row(self, row_dict):
         d = copy.deepcopy({k: v for k, v in row_dict.items() if v})
@@ -313,7 +317,7 @@ class SQLBaseStore(object):
         )
 
     def _parse_events(self, rows):
-        return self._db_pool.runInteraction(self._parse_events_txn, rows)
+        return self.runInteraction(self._parse_events_txn, rows)
 
     def _parse_events_txn(self, txn, rows):
         events = [self._parse_event_from_row(r) for r in rows]