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Add support for using executemany

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This commit is contained in:
Erik Johnston 2015-05-05 15:13:25 +01:00
parent 1692dc019d
commit 43c2e8deae
5 changed files with 99 additions and 61 deletions
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54
synapse/storage/_base.py
View file

@ -160,18 +160,23 @@ class LoggingTransaction(object):
def __setattr__(self, name, value):
setattr(self.txn, name, value)
def execute(self, sql, *args, **kwargs):
def execute(self, sql, *args):
self._do_execute(self.txn.execute, sql, *args)
def executemany(self, sql, *args):
self._do_execute(self.txn.executemany, sql, *args)
def _do_execute(self, func, sql, *args):
# TODO(paul): Maybe use 'info' and 'debug' for values?
sql_logger.debug("[SQL] {%s} %s", self.name, sql)
sql = self.database_engine.convert_param_style(sql)
if args and args[0]:
if args:
try:
sql_logger.debug(
"[SQL values] {%s} " + ", ".join(("<%r>",) * len(args[0])),
self.name,
*args[0]
"[SQL values] {%s} %r",
self.name, args[0]
)
except:
# Don't let logging failures stop SQL from working
@ -180,8 +185,8 @@ class LoggingTransaction(object):
start = time.time() * 1000
try:
return self.txn.execute(
sql, *args, **kwargs
return func(
sql, *args
)
except Exception as e:
logger.debug("[SQL FAIL] {%s} %s", self.name, e)
@ -434,18 +439,41 @@ class SQLBaseStore(object):
@log_function
def _simple_insert_txn(self, txn, table, values):
keys, vals = zip(*values.items())
sql = "INSERT INTO %s (%s) VALUES(%s)" % (
table,
", ".join(k for k in values),
", ".join("?" for k in values)
", ".join(k for k in keys),
", ".join("?" for _ in keys)
)
logger.debug(
"[SQL] %s Args=%s",
sql, values.values(),
txn.execute(sql, vals)
def _simple_insert_many_txn(self, txn, table, values):
if not values:
return
keys, vals = zip(*[
zip(
*(sorted(i.items(), key=lambda kv: kv[0]))
)
for i in values
if i
])
for k in keys:
if k != keys[0]:
raise RuntimeError(
"All items must have the same keys"
)
sql = "INSERT INTO %s (%s) VALUES(%s)" % (
table,
", ".join(k for k in keys[0]),
", ".join("?" for _ in keys[0])
)
txn.execute(sql, values.values())
txn.executemany(sql, vals)
def _simple_upsert(self, table, keyvalues, values,
insertion_values={}, desc="_simple_upsert", lock=True):

40
synapse/storage/event_federation.py
View file

@ -262,18 +262,19 @@ class EventFederationStore(SQLBaseStore):
For the given event, update the event edges table and forward and
backward extremities tables.
"""
for e_id, _ in prev_events:
# TODO (erikj): This could be done as a bulk insert
self._simple_insert_txn(
txn,
self._simple_insert_many_txn(
txn,
table="event_edges",
values={
"event_id": event_id,
"prev_event_id": e_id,
"room_id": room_id,
"is_state": False,
},
)
values=[
{
"event_id": event_id,
"prev_event_id": e_id,
"room_id": room_id,
"is_state": False,
}
for e_id, _ in prev_events
],
)
# Update the extremities table if this is not an outlier.
if not outlier:
@ -307,16 +308,17 @@ class EventFederationStore(SQLBaseStore):
# Insert all the prev_events as a backwards thing, they'll get
# deleted in a second if they're incorrect anyway.
for e_id, _ in prev_events:
# TODO (erikj): This could be done as a bulk insert
self._simple_insert_txn(
txn,
table="event_backward_extremities",
values={
self._simple_insert_many_txn(
txn,
table="event_backward_extremities",
values=[
{
"event_id": e_id,
"room_id": room_id,
},
)
}
for e_id, _ in prev_events
],
)
# Also delete from the backwards extremities table all ones that
# reference events that we have already seen

46
synapse/storage/events.py
View file

@ -113,17 +113,19 @@ class EventsStore(SQLBaseStore):
keyvalues={"room_id": event.room_id},
)
for s in current_state:
self._simple_insert_txn(
txn,
"current_state_events",
self._simple_insert_many_txn(
txn,
"current_state_events",
[
{
"event_id": s.event_id,
"room_id": s.room_id,
"type": s.type,
"state_key": s.state_key,
},
)
}
for s in current_state
],
)
if event.is_state() and is_new_state:
if not backfilled and not context.rejected:
@ -296,16 +298,18 @@ class EventsStore(SQLBaseStore):
txn, event.event_id, prev_event_id, alg, hash_bytes
)
for auth_id, _ in event.auth_events:
self._simple_insert_txn(
txn,
table="event_auth",
values={
self._simple_insert_many_txn(
txn,
table="event_auth",
values=[
{
"event_id": event.event_id,
"room_id": event.room_id,
"auth_id": auth_id,
},
)
}
for auth_id, _ in event.auth_events
],
)
(ref_alg, ref_hash_bytes) = compute_event_reference_hash(event)
self._store_event_reference_hash_txn(
@ -330,17 +334,19 @@ class EventsStore(SQLBaseStore):
vals,
)
for e_id, h in event.prev_state:
self._simple_insert_txn(
txn,
table="event_edges",
values={
self._simple_insert_many_txn(
txn,
table="event_edges",
values=[
{
"event_id": event.event_id,
"prev_event_id": e_id,
"room_id": event.room_id,
"is_state": True,
},
)
}
for e_id, h in event.prev_state
],
)
if is_new_state and not context.rejected:
self._simple_upsert_txn(

16
synapse/storage/state.py
View file

@ -104,18 +104,20 @@ class StateStore(SQLBaseStore):
},
)
for state in state_events.values():
self._simple_insert_txn(
txn,
table="state_groups_state",
values={
self._simple_insert_many_txn(
txn,
table="state_groups_state",
values=[
{
"state_group": state_group,
"room_id": state.room_id,
"type": state.type,
"state_key": state.state_key,
"event_id": state.event_id,
},
)
}
for state in state_events.values()
],
)
self._simple_insert_txn(
txn,

4
tests/storage/test_base.py
View file

@ -67,7 +67,7 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.mock_txn.execute.assert_called_with(
"INSERT INTO tablename (columname) VALUES(?)",
["Value"]
("Value",)
)
@defer.inlineCallbacks
@ -82,7 +82,7 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.mock_txn.execute.assert_called_with(
"INSERT INTO tablename (colA, colB, colC) VALUES(?, ?, ?)",
[1, 2, 3]
(1, 2, 3,)
)
@defer.inlineCallbacks