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.
9b498797 · Kazuhiko Shiozaki · Tatuya Kamada · d9454299 · 9b498797
Commit 9b498797 authored Nov 21, 2012 by Kazuhiko Shiozaki Committed by Tatuya Kamada Jun 22, 2015
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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