Matrix-Mirrors/anonymousland-synapse
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse.git synced 2025-05-02 11:06:07 -04:00
Code Issues Projects Releases Packages Wiki Activity

Implement new replace_state and changed prev_state

Browse source 
`prev_state` is now a list of previous state ids, similiar to
prev_events. `replace_state` now points to what we think was replaced.
This commit is contained in:
Erik Johnston 2014-11-06 15:10:55 +00:00
parent 3791b75000
commit 4317c8e583
13 changed files with 219 additions and 127 deletions
Download patch file Download diff file Expand all files Collapse all files

64
synapse/storage/event_federation.py
View file

@ -69,19 +69,21 @@ class EventFederationStore(SQLBaseStore):
return results
def _get_prev_events(self, txn, event_id):
prev_ids = self._simple_select_onecol_txn(
def _get_latest_state_in_room(self, txn, room_id, type, state_key):
event_ids = self._simple_select_onecol_txn(
txn,
table="event_edges",
table="state_forward_extremities",
keyvalues={
"event_id": event_id,
"room_id": room_id,
"type": type,
"state_key": state_key,
},
retcol="prev_event_id",
retcol="event_id",
)
results = []
for prev_event_id in prev_ids:
hashes = self._get_event_reference_hashes_txn(txn, prev_event_id)
for event_id in event_ids:
hashes = self._get_event_reference_hashes_txn(txn, event_id)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
@ -90,6 +92,53 @@ class EventFederationStore(SQLBaseStore):
return results
def _get_prev_events(self, txn, event_id):
results = self._get_prev_events_and_state(
txn,
event_id,
is_state=0,
)
return [(e_id, h, ) for e_id, h, _ in results]
def _get_prev_state(self, txn, event_id):
results = self._get_prev_events_and_state(
txn,
event_id,
is_state=1,
)
return [(e_id, h, ) for e_id, h, _ in results]
def _get_prev_events_and_state(self, txn, event_id, is_state=None):
keyvalues = {
"event_id": event_id,
}
if is_state is not None:
keyvalues["is_state"] = is_state
res = self._simple_select_list_txn(
txn,
table="event_edges",
keyvalues=keyvalues,
retcols=["prev_event_id", "is_state"],
)
results = []
for d in res:
hashes = self._get_event_reference_hashes_txn(
txn,
d["prev_event_id"]
)
prev_hashes = {
k: encode_base64(v) for k, v in hashes.items()
if k == "sha256"
}
results.append((d["prev_event_id"], prev_hashes, d["is_state"]))
return results
def get_min_depth(self, room_id):
return self.runInteraction(
"get_min_depth",
@ -135,6 +184,7 @@ class EventFederationStore(SQLBaseStore):
"event_id": event_id,
"prev_event_id": e_id,
"room_id": room_id,
"is_state": 0,
},
or_ignore=True,
)