196 lines
9.5 KiB
Python
196 lines
9.5 KiB
Python
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from datetime import datetime
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from openerp import tools
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from openerp.osv import fields, osv
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from openerp.tools.translate import _
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class wizard_valuation_history(osv.osv_memory):
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_name = 'wizard.valuation.history'
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_description = 'Wizard that opens the stock valuation history table'
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_columns = {
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'choose_date': fields.boolean('Choose a Particular Date'),
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'date': fields.datetime('Date', required=True),
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}
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_defaults = {
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'choose_date': False,
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'date': fields.datetime.now,
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}
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def open_table(self, cr, uid, ids, context=None):
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if context is None:
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context = {}
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data = self.read(cr, uid, ids, context=context)[0]
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ctx = context.copy()
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ctx['history_date'] = data['date']
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ctx['search_default_group_by_product'] = True
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ctx['search_default_group_by_location'] = True
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return {
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'domain': "[('date', '<=', '" + data['date'] + "')]",
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'name': _('Stock Value At Date'),
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'view_type': 'form',
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'view_mode': 'tree,graph',
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'res_model': 'stock.history',
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'type': 'ir.actions.act_window',
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'context': ctx,
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}
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class stock_history(osv.osv):
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_name = 'stock.history'
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_auto = False
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_order = 'date asc'
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def read_group(self, cr, uid, domain, fields, groupby, offset=0, limit=None, context=None, orderby=False, lazy=True):
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res = super(stock_history, self).read_group(cr, uid, domain, fields, groupby, offset=offset, limit=limit, context=context, orderby=orderby, lazy=lazy)
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if context is None:
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context = {}
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date = context.get('history_date', datetime.now())
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if 'inventory_value' in fields:
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group_lines = {}
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for line in res:
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domain = line.get('__domain', domain)
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group_lines.setdefault(str(domain), self.search(cr, uid, domain, context=context))
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line_ids = set()
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for ids in group_lines.values():
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for product_id in ids:
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line_ids.add(product_id)
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line_ids = list(line_ids)
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lines_rec = {}
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if line_ids:
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cr.execute('SELECT id, product_id, price_unit_on_quant, company_id, quantity FROM stock_history WHERE id in %s', (tuple(line_ids),))
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lines_rec = cr.dictfetchall()
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lines_dict = dict((line['id'], line) for line in lines_rec)
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product_ids = list(set(line_rec['product_id'] for line_rec in lines_rec))
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products_rec = self.pool['product.product'].read(cr, uid, product_ids, ['cost_method', 'product_tmpl_id'], context=context)
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products_dict = dict((product['id'], product) for product in products_rec)
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cost_method_product_tmpl_ids = list(set(product['product_tmpl_id'][0] for product in products_rec if product['cost_method'] != 'real'))
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histories = []
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if cost_method_product_tmpl_ids:
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cr.execute('SELECT DISTINCT ON (product_template_id, company_id) product_template_id, company_id, cost FROM product_price_history WHERE product_template_id in %s AND datetime <= %s ORDER BY product_template_id, company_id, datetime DESC', (tuple(cost_method_product_tmpl_ids), date))
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histories = cr.dictfetchall()
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histories_dict = {}
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for history in histories:
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histories_dict[(history['product_template_id'], history['company_id'])] = history['cost']
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for line in res:
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inv_value = 0.0
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lines = group_lines.get(str(line.get('__domain', domain)))
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for line_id in lines:
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line_rec = lines_dict[line_id]
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product = products_dict[line_rec['product_id']]
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if product['cost_method'] == 'real':
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price = line_rec['price_unit_on_quant']
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else:
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price = histories_dict.get((product['product_tmpl_id'][0], line_rec['company_id']), 0.0)
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inv_value += price * line_rec['quantity']
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line['inventory_value'] = inv_value
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return res
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def _get_inventory_value(self, cr, uid, ids, name, attr, context=None):
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if context is None:
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context = {}
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date = context.get('history_date')
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product_tmpl_obj = self.pool.get("product.template")
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res = {}
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for line in self.browse(cr, uid, ids, context=context):
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if line.product_id.cost_method == 'real':
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res[line.id] = line.quantity * line.price_unit_on_quant
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else:
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res[line.id] = line.quantity * product_tmpl_obj.get_history_price(cr, uid, line.product_id.product_tmpl_id.id, line.company_id.id, date=date, context=context)
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return res
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_columns = {
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'move_id': fields.many2one('stock.move', 'Stock Move', required=True),
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'location_id': fields.many2one('stock.location', 'Location', required=True),
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'company_id': fields.many2one('res.company', 'Company'),
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'product_id': fields.many2one('product.product', 'Product', required=True),
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'product_categ_id': fields.many2one('product.category', 'Product Category', required=True),
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'quantity': fields.float('Product Quantity'),
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'date': fields.datetime('Operation Date'),
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'price_unit_on_quant': fields.float('Value', group_operator='avg'),
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'inventory_value': fields.function(_get_inventory_value, string="Inventory Value", type='float', readonly=True),
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'source': fields.char('Source')
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}
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def init(self, cr):
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tools.drop_view_if_exists(cr, 'stock_history')
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cr.execute("""
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CREATE OR REPLACE VIEW stock_history AS (
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SELECT MIN(id) as id,
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move_id,
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location_id,
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company_id,
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product_id,
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product_categ_id,
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SUM(quantity) as quantity,
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date,
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COALESCE(SUM(price_unit_on_quant * quantity) / NULLIF(SUM(quantity), 0), 0) as price_unit_on_quant,
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source
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FROM
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((SELECT
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stock_move.id AS id,
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stock_move.id AS move_id,
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dest_location.id AS location_id,
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dest_location.company_id AS company_id,
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stock_move.product_id AS product_id,
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product_template.categ_id AS product_categ_id,
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quant.qty AS quantity,
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stock_move.date AS date,
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quant.cost as price_unit_on_quant,
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stock_move.origin AS source
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FROM
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stock_move
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JOIN
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stock_quant_move_rel on stock_quant_move_rel.move_id = stock_move.id
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JOIN
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stock_quant as quant on stock_quant_move_rel.quant_id = quant.id
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JOIN
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stock_location dest_location ON stock_move.location_dest_id = dest_location.id
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JOIN
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stock_location source_location ON stock_move.location_id = source_location.id
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JOIN
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product_product ON product_product.id = stock_move.product_id
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JOIN
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product_template ON product_template.id = product_product.product_tmpl_id
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WHERE quant.qty>0 AND stock_move.state = 'done' AND dest_location.usage in ('internal', 'transit')
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AND (
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not (source_location.company_id is null and dest_location.company_id is null) or
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source_location.company_id != dest_location.company_id or
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source_location.usage not in ('internal', 'transit'))
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) UNION ALL
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(SELECT
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(-1) * stock_move.id AS id,
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stock_move.id AS move_id,
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source_location.id AS location_id,
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source_location.company_id AS company_id,
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stock_move.product_id AS product_id,
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product_template.categ_id AS product_categ_id,
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- quant.qty AS quantity,
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stock_move.date AS date,
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quant.cost as price_unit_on_quant,
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stock_move.origin AS source
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FROM
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stock_move
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JOIN
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stock_quant_move_rel on stock_quant_move_rel.move_id = stock_move.id
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JOIN
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stock_quant as quant on stock_quant_move_rel.quant_id = quant.id
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JOIN
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stock_location source_location ON stock_move.location_id = source_location.id
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JOIN
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stock_location dest_location ON stock_move.location_dest_id = dest_location.id
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JOIN
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product_product ON product_product.id = stock_move.product_id
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JOIN
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product_template ON product_template.id = product_product.product_tmpl_id
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WHERE quant.qty>0 AND stock_move.state = 'done' AND source_location.usage in ('internal', 'transit')
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AND (
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not (dest_location.company_id is null and source_location.company_id is null) or
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dest_location.company_id != source_location.company_id or
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dest_location.usage not in ('internal', 'transit'))
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))
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AS foo
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GROUP BY move_id, location_id, company_id, product_id, product_categ_id, date, source
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)""")
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