virtual_available = fields.Float(
‘Forecast Quantity‘, compute=‘_compute_quantities‘, search=‘_search_virtual_available‘,
digits=dp.get_precision(‘Product Unit of Measure‘),
help="Forecast quantity (computed as Quantity On Hand "
"- Outgoing + Incoming)\n"
"In a context with a single Stock Location, this includes "
"goods stored in this location, or any of its children.\n"
"In a context with a single Warehouse, this includes "
"goods stored in the Stock Location of this Warehouse, or any "
"of its children.\n"
"Otherwise, this includes goods stored in any Stock Location "
"with ‘internal‘ type.")
def _search_virtual_available(self, operator, value):
# TDE FIXME: should probably clean the search methods
return self._search_product_quantity(operator, value, ‘virtual_available‘)
def _search_product_quantity(self, operator, value, field):
# TDE FIXME: should probably clean the search methods
# to prevent sql injections
if field not in (‘qty_available‘, ‘virtual_available‘, ‘incoming_qty‘, ‘outgoing_qty‘):
raise UserError(_(‘Invalid domain left operand %s‘) % field)
if operator not in (‘<‘, ‘>‘, ‘=‘, ‘!=‘, ‘<=‘, ‘>=‘):
raise UserError(_(‘Invalid domain operator %s‘) % operator)
if not isinstance(value, (float, int)):
raise UserError(_(‘Invalid domain right operand %s‘) % value)
# TODO: Still optimization possible when searching virtual quantities
ids = []
# Order the search on `id` to prevent the default order on the product name which slows
# down the search because of the join on the translation table to get the translated names.
for product in self.with_context(prefetch_fields=False).search([], order=‘id‘):
if OPERATORS[operator](product[field], value):
ids.append(product.id)
return [(‘id‘, ‘in‘, ids)]
官网:https://www.odoo.com/zh_CN/forum/help-1/calculated-fields-in-search-filter-possible-118501
原文：https://www.cnblogs.com/qianxunman/p/14898382.html