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Fix SQL so that accepts we may want to persist events twice.

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This commit is contained in:
Erik Johnston 2014-10-30 10:11:06 +00:00
parent 53216a500d
commit aa80900a8e
2 changed files with 47 additions and 25 deletions
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8
synapse/storage/event_federation.py
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@ -99,7 +99,8 @@ class EventFederationStore(SQLBaseStore):
"event_id": event_id,
"prev_event_id": e_id,
"room_id": room_id,
}
},
or_ignore=True,
)
# Update the extremities table if this is not an outlier.
@ -120,7 +121,7 @@ class EventFederationStore(SQLBaseStore):
# We only insert as a forward extremity the new pdu if there are no
# other pdus that reference it as a prev pdu
query = (
"INSERT INTO %(table)s (event_id, room_id) "
"INSERT OR IGNORE INTO %(table)s (event_id, room_id) "
"SELECT ?, ? WHERE NOT EXISTS ("
"SELECT 1 FROM %(event_edges)s WHERE "
"prev_event_id = ? "
@ -144,7 +145,8 @@ class EventFederationStore(SQLBaseStore):
values={
"event_id": e_id,
"room_id": room_id,
}
},
or_ignore=True,
)
# Also delete from the backwards extremities table all ones that