def setup_sending_before_clearing_queries_log_signal():
class SignalSendingBeforeClearingQueriesProxy(DelegatingProxy):
def clear(self):
before_clearing_queries_log.send(sender=None, queries=tuple(self))
self.wrapped.clear()
connection.queries_log = SignalSendingBeforeClearingQueriesProxy(
connection.queries_log)
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