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-rw-r--r--lib/sqlalchemy/engine/base.py10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 5921ab9ba..af310c450 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -1254,6 +1254,8 @@ class Connection(Connectable):
if context:
context.is_disconnect = self._is_disconnect
+ invalidate_pool_on_disconnect = True
+
if self._reentrant_error:
util.raise_from_cause(
exc.DBAPIError.instance(statement,
@@ -1316,6 +1318,11 @@ class Connection(Connectable):
sqlalchemy_exception.connection_invalidated = \
self._is_disconnect = ctx.is_disconnect
+ # set up potentially user-defined value for
+ # invalidate pool.
+ invalidate_pool_on_disconnect = \
+ ctx.invalidate_pool_on_disconnect
+
if should_wrap and context:
context.handle_dbapi_exception(e)
@@ -1340,7 +1347,8 @@ class Connection(Connectable):
del self._is_disconnect
if not self.invalidated:
dbapi_conn_wrapper = self.__connection
- self.engine.pool._invalidate(dbapi_conn_wrapper, e)
+ if invalidate_pool_on_disconnect:
+ self.engine.pool._invalidate(dbapi_conn_wrapper, e)
self.invalidate(e)
if self.should_close_with_result:
self.close()