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Faster cache for get_joined_hosts

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This commit is contained in:
Erik Johnston 2017-05-25 17:08:41 +01:00
parent 2b03751c3c
commit dfbda5e025
5 changed files with 117 additions and 29 deletions
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33
synapse/storage/state.py
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@ -98,6 +98,39 @@ class StateStore(SQLBaseStore):
_get_current_state_ids_txn,
)
def get_state_group_delta(self, state_group):
def _get_state_group_delta_txn(txn):
prev_group = self._simple_select_one_onecol_txn(
txn,
table="state_group_edges",
keyvalues={
"state_group": state_group,
},
retcol="prev_state_group",
allow_none=True,
)
if not prev_group:
return None, None
delta_ids = self._simple_select_list_txn(
txn,
table="state_groups_state",
keyvalues={
"state_group": state_group,
},
retcols=("type", "state_key", "event_id",)
)
return prev_group, {
(row["type"], row["state_key"]): row["event_id"]
for row in delta_ids
}
return self.runInteraction(
"get_state_group_delta",
_get_state_group_delta_txn,
)
@defer.inlineCallbacks
def get_state_groups_ids(self, room_id, event_ids):
if not event_ids: