[Checkins] SVN: zc.zodbdgc/branches/dev/src/zc/zodbdgc/__init__.py Added an optimization to avoid unpickling when checking for blobs.

[Jim Fulton]

Log message for revision 100542:
  Added an optimization to avoid unpickling when checking for blobs.
  This is quite important and needs to eb moved to ZODB.
  

Changed:
  U   zc.zodbdgc/branches/dev/src/zc/zodbdgc/__init__.py

-=-
Modified: zc.zodbdgc/branches/dev/src/zc/zodbdgc/__init__.py
===================================================================
--- zc.zodbdgc/branches/dev/src/zc/zodbdgc/__init__.py	2009-05-29 18:24:24 UTC (rev 100541)
+++ zc.zodbdgc/branches/dev/src/zc/zodbdgc/__init__.py	2009-05-29 20:22:29 UTC (rev 100542)
@@ -287,7 +287,12 @@
             if not seen.insert(name, oid):
                 continue
             p, tid = storages[name].load(oid, '')
-            if ZODB.blob.is_blob_record(p):
+            if (
+                # XXX should be in is_blob_record
+                len(p) < 100 and ('ZODB.blob' in p)
+
+                and ZODB.blob.is_blob_record(p)
+                ):
                 storages[name].loadBlob(oid, tid)
         except:
             print '!!!', name, u64(oid),