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131 lines
5.0 KiB
131 lines
5.0 KiB
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# This module copyright (C) 2014 Therp BV (<http://therp.nl>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp.osv import orm, fields
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from openerp.tools.translate import _
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class CleanupPurgeLineColumn(orm.TransientModel):
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_inherit = 'cleanup.purge.line'
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_name = 'cleanup.purge.line.column'
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_columns = {
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'model_id': fields.many2one(
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'ir.model', 'Model',
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required=True, ondelete='CASCADE'),
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'wizard_id': fields.many2one(
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'cleanup.purge.wizard.column', 'Purge Wizard', readonly=True),
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}
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def purge(self, cr, uid, ids, context=None):
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"""
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Unlink columns upon manual confirmation.
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"""
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for line in self.browse(cr, uid, ids, context=context):
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if line.purged:
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continue
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model_pool = self.pool[line.model_id.model]
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# Check whether the column actually still exists.
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# Inheritance such as stock.picking.in from stock.picking
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# can lead to double attempts at removal
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cr.execute(
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'SELECT count(attname) FROM pg_attribute '
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'WHERE attrelid = '
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'( SELECT oid FROM pg_class WHERE relname = %s ) '
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'AND attname = %s',
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(model_pool._table, line.name));
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if not cr.fetchone()[0]:
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continue
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self.logger.info(
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'Dropping column %s from table %s',
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line.name, model_pool._table)
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cr.execute(
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"""
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ALTER TABLE "%s" DROP COLUMN "%s"
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""" % (model_pool._table, line.name))
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line.write({'purged': True})
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cr.commit()
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return True
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class CleanupPurgeWizardColumn(orm.TransientModel):
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_inherit = 'cleanup.purge.wizard'
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_name = 'cleanup.purge.wizard.column'
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def default_get(self, cr, uid, fields, context=None):
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res = super(CleanupPurgeWizardColumn, self).default_get(
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cr, uid, fields, context=context)
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if 'name' in fields:
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res['name'] = _('Purge columns')
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return res
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def get_orphaned_columns(self, cr, uid, model_pool, context=None):
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"""
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From openobject-server/openerp/osv/orm.py
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Iterate on the database columns to identify columns
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of fields which have been removed
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"""
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columns = [
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c for c in model_pool._columns
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if not (isinstance(model_pool._columns[c], fields.function)
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and not model_pool._columns[c].store)]
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columns += orm.MAGIC_COLUMNS
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cr.execute("SELECT a.attname"
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" FROM pg_class c, pg_attribute a"
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" WHERE c.relname=%s"
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" AND c.oid=a.attrelid"
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" AND a.attisdropped=%s"
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" AND pg_catalog.format_type(a.atttypid, a.atttypmod)"
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" NOT IN ('cid', 'tid', 'oid', 'xid')"
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" AND a.attname NOT IN %s",
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(model_pool._table, False, tuple(columns))),
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return [column[0] for column in cr.fetchall()]
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def find(self, cr, uid, context=None):
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"""
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Search for columns that are not in the corresponding model.
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"""
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res = []
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model_pool = self.pool['ir.model']
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model_ids = model_pool.search(cr, uid, [], context=context)
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line_pool = self.pool['cleanup.purge.line.column']
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for model in model_pool.browse(cr, uid, model_ids, context=context):
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model_pool = self.pool.get(model.model)
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if not model_pool or not model_pool._auto:
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continue
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for column in self.get_orphaned_columns(
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cr, uid, model_pool, context=context):
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res.append((0, 0, {
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'name': column,
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'model_id': model.id}))
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if not res:
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raise orm.except_orm(
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_('Nothing to do'),
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_('No orphaned columns found'))
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return res
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_columns = {
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'purge_line_ids': fields.one2many(
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'cleanup.purge.line.column',
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'wizard_id', 'Columns to purge'),
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}
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