[Zodb-checkins] CVS: Zope3/src/zodb/storage - mapping.py:1.7

[Barry Warsaw]

Update of /cvs-repository/Zope3/src/zodb/storage
In directory cvs.zope.org:/tmp/cvs-serv24475

Modified Files:
	mapping.py 
Log Message:
pack(): Add the optional gc flag, which MappingStorage ignores.


=== Zope3/src/zodb/storage/mapping.py 1.6 => 1.7 ===
--- Zope3/src/zodb/storage/mapping.py:1.6	Thu Mar 13 16:32:28 2003
+++ Zope3/src/zodb/storage/mapping.py	Mon Mar 17 15:24:36 2003
@@ -84,7 +84,19 @@
     def lastTransaction(self):
         return self._ltid
 
-    def pack(self, t):
+    def pack(self, t, gc=True):
+        """Perform a pack on the storage.
+
+        There are two forms of packing: incremental and full gc.  In an
+        incremental pack, only old object revisions are removed.  In a full gc
+        pack, cyclic garbage detection and removal is also performed.
+
+        t is the pack time.  All non-current object revisions older than t
+        will be removed in an incremental pack.
+
+        MappingStorage ignores the gc flag.  Every pack does both incremental
+        and full gc packing.
+        """
         self._lock_acquire()
         try:
             # Build an index of those objects reachable from the root.