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# Copyright 2019 ACSONE SA/NV (<http://acsone.eu>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).-
from odoo import models
class AccountMoveLine(models.Model):
_inherit = "account.move.line"
def init(self):
"""
The join between accounts_partners subquery and account_move_line
can be heavy to compute on big databases.
Join sample:
JOIN
account_move_line ml
ON ap.account_id = ml.account_id
AND ml.date < '2018-12-30'
AND ap.partner_id = ml.partner_id
AND ap.include_initial_balance = TRUE
By adding the following index, performances are strongly increased.
:return:
"""
self._cr.execute(
"SELECT indexname FROM pg_indexes WHERE indexname = " "%s",
("account_move_line_account_id_partner_id_index",),
)
if not self._cr.fetchone():
self._cr.execute(
"""
CREATE INDEX account_move_line_account_id_partner_id_index
ON account_move_line (account_id, partner_id)"""
)