From daa1783dc5ff40351ba2c97be64f59cf34b41bb2 Mon Sep 17 00:00:00 2001
From: Holger Brunn <hbrunn@therp.nl>
Date: Thu, 28 Sep 2017 14:59:32 +0200
Subject: [PATCH] [IMP] precompute last_rec_date

[ADD] index last_rec_date
---
 account_financial_report_webkit/__init__.py   |  2 ++
 .../__openerp__.py                            |  1 +
 account_financial_report_webkit/hooks.py      | 35 +++++++++++++++++++
 .../models/account_move_line.py               |  1 +
 4 files changed, 39 insertions(+)
 create mode 100644 account_financial_report_webkit/hooks.py

diff --git a/account_financial_report_webkit/__init__.py b/account_financial_report_webkit/__init__.py
index 1eeb7fc5..bf51e89d 100644
--- a/account_financial_report_webkit/__init__.py
+++ b/account_financial_report_webkit/__init__.py
@@ -21,3 +21,5 @@
 from . import models
 from . import wizard
 from . import report
+from . import hooks
+from .hooks import pre_init_hook
diff --git a/account_financial_report_webkit/__openerp__.py b/account_financial_report_webkit/__openerp__.py
index b0776563..98c42008 100644
--- a/account_financial_report_webkit/__openerp__.py
+++ b/account_financial_report_webkit/__openerp__.py
@@ -60,4 +60,5 @@
     'active': False,
     'installable': True,
     'application': True,
+    'pre_init_hook': 'pre_init_hook',
 }
diff --git a/account_financial_report_webkit/hooks.py b/account_financial_report_webkit/hooks.py
new file mode 100644
index 00000000..18081b6c
--- /dev/null
+++ b/account_financial_report_webkit/hooks.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# © 2017 Therp BV <http://therp.nl>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from .models.account_move_line import AccountMoveLine
+
+
+def pre_init_hook(cr):
+    with cr.savepoint():
+        # don't break if column exists
+        cr.execute(
+            'alter table account_move_line add column last_rec_date date',
+        )
+        cr.execute(
+            'comment on column account_move_line.last_rec_date is %s',
+            (AccountMoveLine.last_rec_date.string,),
+        )
+        cr.execute(
+            'create index account_move_line_last_rec_date_index '
+            'on account_move_line (last_rec_date)',
+        )
+    # but still do the initialization
+    cr.execute(
+        """update account_move_line
+        set last_rec_date=ml_fr.date
+        from account_move_line ml
+        left join account_move_reconcile fr on ml.reconcile_id=fr.id
+        join (
+            select
+            coalesce(reconcile_id, reconcile_partial_id) as reconcile_id,
+            max(date) as date
+            from account_move_line
+            group by coalesce(reconcile_id, reconcile_partial_id)
+        ) ml_fr on ml_fr.reconcile_id=fr.id
+        where ml.id=account_move_line.id"""
+    )
diff --git a/account_financial_report_webkit/models/account_move_line.py b/account_financial_report_webkit/models/account_move_line.py
index e95618c0..9a3a6cc7 100644
--- a/account_financial_report_webkit/models/account_move_line.py
+++ b/account_financial_report_webkit/models/account_move_line.py
@@ -18,6 +18,7 @@ class AccountMoveLine(models.Model):
     last_rec_date = fields.Date(
         compute='_compute_last_rec_date',
         store=True,
+        index=True,
         string='Last reconciliation date',
         help="The date of the last reconciliation (full or partial) "
         "account move line."