Commit f3f628a4 authored by Yoshinori Okuji's avatar Yoshinori Okuji

Revert seb's fix, and fix the problem differently. newUid makes sure that uid is allocated.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4436 20353a03-c40f-0410-a6d1-a30d3c3de9de
parent 9e77fe57
......@@ -780,23 +780,20 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
klass._local_clear_reserved_time = self._last_clear_reserved_time
elif not hasattr(self, '_v_uid_buffer'):
self._v_uid_buffer = UidBuffer()
LOG('producedUid, len(self._v_uid_buffer)',0,len(self._v_uid_buffer))
if len(self._v_uid_buffer) == 0:
method_id = self.sql_catalog_produce_reserved
method = getattr(self, method_id)
instance_id = klass._instance_id
if instance_id is None:
# Generate an instance id randomly. Note that there is a small possibility that this
# would conflict with others.
# This is VERY Important to generate a new instance_id
# each time, because some uids might be assigned to
# some objects, but objects can be not indexed yet, so
# we can get assigned uids with a path equal to reserved.
# May be the name instance_id is not good any more
random_factor_list = [time.time(), os.getpid(), os.times()]
try:
random_factor_list.append(os.getloadavg())
except (OSError, AttributeError): # AttributeError is required under cygwin
pass
instance_id = md5.new(str(random_factor_list)).hexdigest()[:30]
klass._instance_id = instance_id
uid_list = [x.uid for x in method(count = UID_BUFFER_SIZE, instance_id = instance_id) if x.uid != 0]
self._v_uid_buffer.extend(uid_list)
......@@ -829,6 +826,11 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
self._max_uid = Length()
if uid > self._max_uid():
self._max_uid.set(uid)
# SQLCatalog must mark this uid as allocated for an object already,
# in order to prevent the same uid from being retrieved again for the uid buffer.
method_id = self.sql_catalog_reserve_uid
method = getattr(self, method_id)
method(uid = uid)
return uid
else:
raise CatalogError("Could not retrieve new uid")
......@@ -954,6 +956,7 @@ class Catalog(Folder, Persistent, Acquisition.Implicit, ExtensionClass.Base):
XXX: For now newUid is used to allocated UIDs. Is this good? Is it better to INSERT then SELECT?
"""
LOG('catalogObjectList', 0, 'called with %d objects' % len(object_list))
#LOG('catalogObjectList', 0, 'called with %r' % (object_list,))
if withCMF:
zope_root = getToolByName(self, 'portal_url').getPortalObject().aq_parent
......
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