add work around for the performance regression introduced in Zope 2.12.23 in...

add work around for the performance regression introduced in Zope 2.12.23 in BTreeFolder2, for the case where we use BTreeFolder2 directly.

add work around for the performance regression introduced in Zope 2.12.23 in...
add work around for the performance regression introduced in Zope 2.12.23 in BTreeFolder2, for the case where we use BTreeFolder2 directly.
50135607 · Kazuhiko Shiozaki · fc970248 · 50135607
Commit 50135607 authored Nov 21, 2012 by Kazuhiko Shiozaki
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product/ERP5Type/patches/BTreeFolder2.py product/ERP5Type/patches/BTreeFolder2.py +4 -0

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--- a/product/ERP5Type/patches/BTreeFolder2.py
+++ b/product/ERP5Type/patches/BTreeFolder2.py
@@ -97,3 +97,7 @@ def _cleanup(self):

 BTreeFolder2Base._cleanup = _cleanup

+# Work around for the performance regression introduced in Zope 2.12.23.
+# Otherwise, we use superclass' __contains__ implementation, which uses
+# objectIds, which is inefficient in HBTreeFolder2 to lookup a single key.
+BTreeFolder2Base.__contains__ = BTreeFolder2Base.has_key