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disable optimisation for searching for state groups 

when type filter includes wildcards on state_key
This commit is contained in:
Matthew Hodgson 2018-03-13 19:45:36 +00:00
parent b2aba9e430
commit 865377a70d
1 changed files with 13 additions and 3 deletions
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16
synapse/storage/state.py
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@ -264,11 +264,13 @@ class StateGroupWorkerStore(SQLBaseStore):
else:
where_args = []
where_clauses = []
wildcard_types = False
if types is not None:
for typ in types:
if typ[1] is None:
where_clauses.append("(type = ?)")
where_args.extend(typ[0])
wildcard_types = True
else:
where_clauses.append("(type = ? AND state_key = ?)")
where_args.extend([typ[0], typ[1]])
@ -302,9 +304,17 @@ class StateGroupWorkerStore(SQLBaseStore):
if (typ, state_key) not in results[group]
)
# If the lengths match then we must have all the types,
# so no need to go walk further down the tree.
if types is not None and len(results[group]) == len(types):
# If the number of entries inthe (type,state_key)->event_id dict
# matches the number of (type,state_keys) types we were searching
# for, then we must have found them all, so no need to go walk
# further down the tree... UNLESS our types filter contained
# wildcards (i.e. Nones) in which case we have to do an exhaustive
# search
if (
types is not None and
not wildcard_types and
len(results[group]) == len(types)
):
break
next_group = self._simple_select_one_onecol_txn(