fix POSKeyError during commit after savepoint rollback

see https://github.com/zopefoundation/ZODB/issues/16

fix POSKeyError during commit after savepoint rollback
see https://github.com/zopefoundation/ZODB/issues/16
9e84a83a · Godefroid Chapelle · 8ef6f470 · 9e84a83a
Commit 9e84a83a authored Feb 03, 2014 by Godefroid Chapelle
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src/ZODB/Connection.py src/ZODB/Connection.py +2 -1

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--- a/src/ZODB/Connection.py
+++ b/src/ZODB/Connection.py
@@ -997,7 +997,8 @@ class Connection(ExportImport, object):
    def readCurrent(self, ob):
        assert ob._p_jar is self
        assert ob._p_oid is not None and ob._p_serial is not None
-        self._readCurrent[ob._p_oid] = ob._p_serial
+        if ob._p_serial != z64:
+            self._readCurrent[ob._p_oid] = ob._p_serial
    # persistent.interfaces.IPersistentDatamanager
    ##########################################################################