From 2c8643b0e98070bbf51bc38d32258526634ee67d Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 24 Jul 2016 17:37:25 -0400
Subject: Allow Table._reset_exported to silently pass

Fixed bug in :class:`.Table` where the internal method
``_reset_exported()`` would corrupt the state of the object.  This
method is intended for selectable objects and is called by the ORM
in some cases; an erroneous mapper configuration would could lead the
ORM to call this on on a :class:`.Table` object.

Change-Id: I63fa34ee0cdf16358bb125c556390df79758bcbc
Fixes: #3755
---
 lib/sqlalchemy/sql/schema.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/sqlalchemy/sql')

diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py
index ee139827a..55d0b74e6 100644
--- a/lib/sqlalchemy/sql/schema.py
+++ b/lib/sqlalchemy/sql/schema.py
@@ -598,6 +598,9 @@ class Table(DialectKWArgs, SchemaItem, TableClause):
     def _init_collections(self):
         pass
 
+    def _reset_exported(self):
+        pass
+
     @property
     def _autoincrement_column(self):
         return self.primary_key._autoincrement_column
-- 
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