- Added new attributes :attr:`.ExecutionContext.exception` and

:attr:`.ExecutionContext.is_disconnect` which are meaningful within
the :meth:`.ConnectionEvents.dbapi_error` handler to see both the
original DBAPI error as well as whether or not it represents
a disconnect.

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index c885bcf69..67772f131 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -1070,10 +1070,16 @@ class Connection(Connectable):
 
         exc_info = sys.exc_info()
 
+        if context and context.exception is None:
+            context.exception = e
+
         if not self._is_disconnect:
-            self._is_disconnect = isinstance(e, self.dialect.dbapi.Error) and \
+            self._is_disconnect =  \
+                isinstance(e, self.dialect.dbapi.Error) and \
                 not self.closed and \
                 self.dialect.is_disconnect(e, self.__connection, cursor)
+            if context:
+                context.is_disconnect = self._is_disconnect
 
         if self._reentrant_error:
             util.raise_from_cause(