From: Ken Robbins <ken@surveymonkey.com>
Date: Wed, 14 Sep 2016 19:13:30 +0000 (-0400)
Subject: Add "message 20017" (unexpected EOF from the server) to mssql.
X-Git-Tag: rel_1_1_0~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=881369b949cff44e0017fdc28d9722ef3c26171a;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Add "message 20017" (unexpected EOF from the server) to mssql.

Fixes: #3791
Change-Id: I0dade4fe0ecbb53b4a66881594f362986ba73ae8
Pull-request: https://bitbucket.org/zzzeek/sqlalchemy/pull-requests/89
---

diff --git a/doc/build/changelog/changelog_10.rst b/doc/build/changelog/changelog_10.rst
index 9ca98ff375..3b180f5f69 100644
--- a/doc/build/changelog/changelog_10.rst
+++ b/doc/build/changelog/changelog_10.rst
@@ -18,6 +18,15 @@
 .. changelog::
     :version: 1.0.16
 
+    .. change::
+        :tags: bug, mssql
+        :tickes: 3791
+        :versions: 1.1.0
+
+        Added error code 20017 "unexpected EOF from the server" to the list of
+        disconnect exceptions that result in a connection pool reset.  Pull
+        request courtesy Ken Robbins.
+
     .. change::
         :tags: bug, orm.declarative
         :tickets: 3797
diff --git a/lib/sqlalchemy/dialects/mssql/pymssql.py b/lib/sqlalchemy/dialects/mssql/pymssql.py
index 32e3bd9226..380418b334 100644
--- a/lib/sqlalchemy/dialects/mssql/pymssql.py
+++ b/lib/sqlalchemy/dialects/mssql/pymssql.py
@@ -87,6 +87,7 @@ class MSDialect_pymssql(MSDialect):
             "Not connected to any MS SQL server",
             "Connection is closed",
             "message 20006",  # Write to the server failed
+            "message 20017",  # Unexpected EOF from the server
         ):
             if msg in str(e):
                 return True