improve massive deletion performance
change hooks.integrity._DelayedDeleteOp implementation to give it a chance of
processing the entities by chunks of reasonnable size (500 entities at a time)
adapt ssplanner.DeleteEntitiesStep to call a variant of glob_delete_entity with several entities.
That variant calls all the before_delete_entities hooks in one go, then
performs the deletion, and then calls all the after_delete_entities hooks. The
deletion is performed by grouping together entities by etype and by source.
adapt the HooksManager to call the hooks on a list of entities instead of on a single entity.
adapt the sources to be able to delete several entities of the same etype at once.
changed the source fti_(un)index_entity methods to fti_(un)index_entities taking a collection of entities.
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.