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Speed things up a bit

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This commit is contained in:
Erik Johnston 2018-06-01 17:13:37 +01:00
parent 2a9d3b8a19
commit 2908104ed6
1 changed files with 43 additions and 17 deletions
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60
synapse/storage/events.py
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@ -1468,6 +1468,19 @@ class EventsStore(EventsWorkerStore):
retcol="COALESCE(MAX(topological_ordering), 0)",
)
new_topo += 1
# We need to now update the database with any new edges between chunks
current_prev_ids = set()
current_forward_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"prev_id": chunk_id,
},
retcol="chunk_id",
)
# If there is only one forward chunk and only one sibling event (which
# would be the given event), then this satisfies condition two.
elif len(forward_chunk_ids) == 1 and len(sibling_events) == 1:
@ -1484,6 +1497,18 @@ class EventsStore(EventsWorkerStore):
retcol="COALESCE(MIN(topological_ordering), 0)",
)
new_topo -= 1
# We need to now update the database with any new edges between chunks
current_prev_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"chunk_id": chunk_id,
},
retcol="prev_id",
)
current_forward_ids = set()
else:
chunk_id = self._chunk_id_gen.get_next()
new_topo = 0
@ -1492,24 +1517,24 @@ class EventsStore(EventsWorkerStore):
# ChunkDBOrderedListStore about that.
table.add_node(chunk_id)
# We need to now update the database with any new edges between chunks
current_prev_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"chunk_id": chunk_id,
},
retcol="prev_id",
)
# We need to now update the database with any new edges between chunks
current_prev_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"chunk_id": chunk_id,
},
retcol="prev_id",
)
current_forward_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"prev_id": chunk_id,
},
retcol="chunk_id",
)
current_forward_ids = self._simple_select_onecol_txn(
txn,
table="chunk_graph",
keyvalues={
"prev_id": chunk_id,
},
retcol="chunk_id",
)
prev_chunk_ids = set(
pid for pid in prev_chunk_ids
@ -1538,6 +1563,7 @@ class EventsStore(EventsWorkerStore):
INSERT INTO chunk_backwards_extremities (chunk_id, event_id)
SELECT ?, ? WHERE NOT EXISTS (
SELECT event_id FROM events WHERE event_id = ?
AND NOT outlier
)
""", [(chunk_id, eid, eid) for eid in prev_event_ids])