Don't hit DB for noop replications queries

This commit is contained in:
Erik Johnston 2016-06-08 11:33:30 +01:00
parent e0fda29f94
commit 1a815fb04f
5 changed files with 15 additions and 0 deletions

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@ -221,6 +221,9 @@ class TypingHandler(object):
def get_all_typing_updates(self, last_id, current_id):
# TODO: Work out a way to do this without scanning the entire state.
if last_id == current_id:
return []
rows = []
for room_id, serial in self._room_serials.items():
if last_id < serial and serial <= current_id:

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@ -138,6 +138,9 @@ class AccountDataStore(SQLBaseStore):
A deferred pair of lists of tuples of stream_id int, user_id string,
room_id string, type string, and content string.
"""
if last_room_id == current_id and last_global_id == current_id:
return defer.succeed(([], []))
def get_updated_account_data_txn(txn):
sql = (
"SELECT stream_id, user_id, account_data_type, content"

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@ -118,6 +118,9 @@ class PresenceStore(SQLBaseStore):
)
def get_all_presence_updates(self, last_id, current_id):
if last_id == current_id:
return defer.succeed([])
def get_all_presence_updates_txn(txn):
sql = (
"SELECT stream_id, user_id, state, last_active_ts,"

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@ -421,6 +421,9 @@ class PushRuleStore(SQLBaseStore):
def get_all_push_rule_updates(self, last_id, current_id, limit):
"""Get all the push rules changes that have happend on the server"""
if last_id == current_id:
return defer.succeed([])
def get_all_push_rule_updates_txn(txn):
sql = (
"SELECT stream_id, event_stream_ordering, user_id, rule_id,"

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@ -68,6 +68,9 @@ class TagsStore(SQLBaseStore):
A deferred list of tuples of stream_id int, user_id string,
room_id string, tag string and content string.
"""
if last_id == current_id:
defer.returnValue([])
def get_all_updated_tags_txn(txn):
sql = (
"SELECT stream_id, user_id, room_id"