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Don't de-delta state groups we're about to delete

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Richard van der Hoff 2017-05-10 18:17:41 +01:00
parent b64d312421
commit 8e345ce465
1 changed files with 9 additions and 11 deletions
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20
synapse/storage/events.py
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@ -2080,19 +2080,14 @@ class EventsStore(SQLBaseStore):
) )
state_rows = txn.fetchall() state_rows = txn.fetchall()
state_groups_to_delete = [sg for sg, in state_rows] state_groups_to_delete = set([sg for sg, in state_rows])
logger.debug(
"[purge] finding state groups which depend on redundant state groups"
)
# Now we get all the state groups that rely on these state groups # Now we get all the state groups that rely on these state groups
logger.debug("[purge] finding state groups which depend on redundant"
" state groups")
new_state_edges = [] new_state_edges = []
chunks = [ for i in xrange(0, len(state_rows), 100):
state_groups_to_delete[i:i + 100] chunk = [sg for sg, in state_rows[i:i + 100]]
for i in xrange(0, len(state_groups_to_delete), 100)
]
for chunk in chunks:
rows = self._simple_select_many_txn( rows = self._simple_select_many_txn(
txn, txn,
table="state_group_edges", table="state_group_edges",
@ -2101,7 +2096,10 @@ class EventsStore(SQLBaseStore):
retcols=["state_group"], retcols=["state_group"],
keyvalues={}, keyvalues={},
) )
new_state_edges.extend(row["state_group"] for row in rows) new_state_edges.extend(
row["state_group"] for row in rows
if row["state_group"] not in state_groups_to_delete
)
# Now we turn the state groups that reference to-be-deleted state groups # Now we turn the state groups that reference to-be-deleted state groups
# to non delta versions. # to non delta versions.