diff --git a/synapse/storage/database.py b/synapse/storage/database.py
index 6843b7e7f8..ec19ae1d9d 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -234,7 +234,7 @@ class Database(object):
# to watch it
self._txn_perf_counters = PerformanceCounters()
- self.database_engine = hs.database_engine
+ self.engine = hs.database_engine
# A set of tables that are not safe to use native upserts in.
self._unsafe_to_upsert_tables = set(UNIQUE_INDEX_BACKGROUND_UPDATES.keys())
@@ -242,10 +242,10 @@ class Database(object):
# We add the user_directory_search table to the blacklist on SQLite
# because the existing search table does not have an index, making it
# unsafe to use native upserts.
- if isinstance(self.database_engine, Sqlite3Engine):
+ if isinstance(self.engine, Sqlite3Engine):
self._unsafe_to_upsert_tables.add("user_directory_search")
- if self.database_engine.can_native_upsert:
+ if self.engine.can_native_upsert:
# Check ASAP (and then later, every 1s) to see if we have finished
# background updates of tables that aren't safe to update.
self._clock.call_later(
@@ -331,7 +331,7 @@ class Database(object):
cursor = LoggingTransaction(
conn.cursor(),
name,
- self.database_engine,
+ self.engine,
after_callbacks,
exception_callbacks,
)
@@ -339,7 +339,7 @@ class Database(object):
r = func(cursor, *args, **kwargs)
conn.commit()
return r
- except self.database_engine.module.OperationalError as e:
+ except self.engine.module.OperationalError as e:
# This can happen if the database disappears mid
# transaction.
logger.warning(
@@ -353,20 +353,20 @@ class Database(object):
i += 1
try:
conn.rollback()
- except self.database_engine.module.Error as e1:
+ except self.engine.module.Error as e1:
logger.warning(
"[TXN EROLL] {%s} %s", name, exception_to_unicode(e1)
)
continue
raise
- except self.database_engine.module.DatabaseError as e:
- if self.database_engine.is_deadlock(e):
+ except self.engine.module.DatabaseError as e:
+ if self.engine.is_deadlock(e):
logger.warning("[TXN DEADLOCK] {%s} %d/%d", name, i, N)
if i < N:
i += 1
try:
conn.rollback()
- except self.database_engine.module.Error as e1:
+ except self.engine.module.Error as e1:
logger.warning(
"[TXN EROLL] {%s} %s",
name,
@@ -494,7 +494,7 @@ class Database(object):
sql_scheduling_timer.observe(sched_duration_sec)
context.add_database_scheduled(sched_duration_sec)
- if self.database_engine.is_connection_closed(conn):
+ if self.engine.is_connection_closed(conn):
logger.debug("Reconnecting closed database connection")
conn.reconnect()
@@ -561,7 +561,7 @@ class Database(object):
"""
try:
yield self.runInteraction(desc, self.simple_insert_txn, table, values)
- except self.database_engine.module.IntegrityError:
+ except self.engine.module.IntegrityError:
# We have to do or_ignore flag at this layer, since we can't reuse
# a cursor after we receive an error from the db.
if not or_ignore:
@@ -660,7 +660,7 @@ class Database(object):
lock=lock,
)
return result
- except self.database_engine.module.IntegrityError as e:
+ except self.engine.module.IntegrityError as e:
attempts += 1
if attempts >= 5:
# don't retry forever, because things other than races
@@ -692,10 +692,7 @@ class Database(object):
upserts return True if a new entry was created, False if an existing
one was updated.
"""
- if (
- self.database_engine.can_native_upsert
- and table not in self._unsafe_to_upsert_tables
- ):
+ if self.engine.can_native_upsert and table not in self._unsafe_to_upsert_tables:
return self.simple_upsert_txn_native_upsert(
txn, table, keyvalues, values, insertion_values=insertion_values
)
@@ -726,7 +723,7 @@ class Database(object):
"""
# We need to lock the table :(, unless we're *really* careful
if lock:
- self.database_engine.lock_table(txn, table)
+ self.engine.lock_table(txn, table)
def _getwhere(key):
# If the value we're passing in is None (aka NULL), we need to use
@@ -828,10 +825,7 @@ class Database(object):
Returns:
None
"""
- if (
- self.database_engine.can_native_upsert
- and table not in self._unsafe_to_upsert_tables
- ):
+ if self.engine.can_native_upsert and 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
)
@@ -1301,7 +1295,7 @@ class Database(object):
"limit": limit,
}
- sql = self.database_engine.convert_param_style(sql)
+ sql = self.engine.convert_param_style(sql)
txn = db_conn.cursor()
txn.execute(sql, (int(max_value),))
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