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-rw-r--r--lib/sqlalchemy/engine/strategies.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/strategies.py b/lib/sqlalchemy/engine/strategies.py
index 3ca91968b..ab9d370a3 100644
--- a/lib/sqlalchemy/engine/strategies.py
+++ b/lib/sqlalchemy/engine/strategies.py
@@ -149,6 +149,7 @@ class DefaultEngineStrategy(EngineStrategy):
event.listen(pool, 'first_connect', on_connect)
event.listen(pool, 'connect', on_connect)
+ @util.only_once
def first_connect(dbapi_connection, connection_record):
c = base.Connection(engine, connection=dbapi_connection,
_has_events=False)