forked from MirrorHub/synapse
Don't hit DB for noop replications queries
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5 changed files with 15 additions and 0 deletions
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@ -221,6 +221,9 @@ class TypingHandler(object):
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def get_all_typing_updates(self, last_id, current_id):
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# TODO: Work out a way to do this without scanning the entire state.
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if last_id == current_id:
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return []
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rows = []
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for room_id, serial in self._room_serials.items():
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if last_id < serial and serial <= current_id:
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@ -138,6 +138,9 @@ class AccountDataStore(SQLBaseStore):
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A deferred pair of lists of tuples of stream_id int, user_id string,
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room_id string, type string, and content string.
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"""
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if last_room_id == current_id and last_global_id == current_id:
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return defer.succeed(([], []))
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def get_updated_account_data_txn(txn):
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sql = (
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"SELECT stream_id, user_id, account_data_type, content"
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@ -118,6 +118,9 @@ class PresenceStore(SQLBaseStore):
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)
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def get_all_presence_updates(self, last_id, current_id):
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if last_id == current_id:
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return defer.succeed([])
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def get_all_presence_updates_txn(txn):
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sql = (
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"SELECT stream_id, user_id, state, last_active_ts,"
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@ -421,6 +421,9 @@ class PushRuleStore(SQLBaseStore):
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def get_all_push_rule_updates(self, last_id, current_id, limit):
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"""Get all the push rules changes that have happend on the server"""
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if last_id == current_id:
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return defer.succeed([])
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def get_all_push_rule_updates_txn(txn):
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sql = (
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"SELECT stream_id, event_stream_ordering, user_id, rule_id,"
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@ -68,6 +68,9 @@ class TagsStore(SQLBaseStore):
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A deferred list of tuples of stream_id int, user_id string,
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room_id string, tag string and content string.
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"""
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if last_id == current_id:
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defer.returnValue([])
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def get_all_updated_tags_txn(txn):
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sql = (
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"SELECT stream_id, user_id, room_id"
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