Matrix-Mirrors/anonymousland-synapse
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Only fetch prev_content when a client is streaming/paginating. Use transactions for event streams.

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This commit is contained in:
Erik Johnston 2015-01-06 13:03:23 +00:00
parent 3e26720e05
commit 98933e3db6
2 changed files with 90 additions and 84 deletions
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32
synapse/storage/_base.py
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@ -434,12 +434,15 @@ class SQLBaseStore(object):
return self.runInteraction("_simple_max_id", func)
def _get_events(self, event_ids):
def _get_events(self, event_ids, check_redacted=True,
get_prev_content=False):
return self.runInteraction(
"_get_events", self._get_events_txn, event_ids
"_get_events", self._get_events_txn, event_ids,
check_redacted=check_redacted, get_prev_content=get_prev_content,
)
def _get_events_txn(self, txn, event_ids):
def _get_events_txn(self, txn, event_ids, check_redacted=True,
get_prev_content=False):
if not event_ids:
return []
@ -450,7 +453,13 @@ class SQLBaseStore(object):
n = 50
split = [event_ids[i:i + n] for i in range(0, len(event_ids), n)]
for e_ids in split:
events.extend(self._get_events_txn(txn, e_ids))
events.extend(
self._get_events_txn(
txn, e_ids,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
)
)
return events
logger.debug("_get_events_txn Fetching %d events", len(event_ids))
@ -467,10 +476,17 @@ class SQLBaseStore(object):
res = txn.fetchall()
return [self._get_event_from_row_txn(txn, *r) for r in res]
return [
self._get_event_from_row_txn(
txn, r[0], r[1], r[2],
check_redacted=check_redacted,
get_prev_content=get_prev_content,
)
for r in res
]
def _get_event_txn(self, txn, event_id, check_redacted=True,
get_prev_content=True):
get_prev_content=False):
sql = (
"SELECT internal_metadata, json, r.event_id FROM event_json as e "
"LEFT JOIN redactions as r ON e.event_id = r.redacts "
@ -493,14 +509,12 @@ class SQLBaseStore(object):
)
def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
check_redacted=True, get_prev_content=True):
check_redacted=True, get_prev_content=False):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
ev = FrozenEvent(d, internal_metadata_dict=internal_metadata)
return ev
if check_redacted and redacted:
ev = prune_event(ev)