[16.0][OU] account_financial_report: migration script

account_financial_report/migrations/16.0.1.0.0/pre-migration.py

@@ -0,0 +1,38 @@
+# Copyright 2024 Tecnativa - David Vidal
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    """Pre-create analytic_account_ids m2m relation and pre-fill it"""
+    env.cr.execute(
+        """
+        CREATE TABLE account_analytic_account_account_move_line_rel (
+            account_move_line_id INTEGER NOT NULL,
+            account_analytic_account_id INTEGER NOT NULL,
+            PRIMARY KEY(account_move_line_id, account_analytic_account_id)
+        );
+        COMMENT ON TABLE account_analytic_account_account_move_line_rel IS
+            'RELATION BETWEEN account_move_line AND account_analytic_account';
+        CREATE INDEX ON account_analytic_account_account_move_line_rel (
+            account_analytic_account_id,account_move_line_id
+        );
+    """
+    )
+    openupgrade.logged_query(
+        env.cr,
+        """
+        INSERT INTO account_analytic_account_account_move_line_rel (
+            account_move_line_id, account_analytic_account_id
+        )
+        SELECT
+            aml.id AS account_move_line_id,
+            jsonb_each.key::int AS account_analytic_account_id
+        FROM
+            account_move_line aml,
+            jsonb_each(aml.analytic_distribution) AS jsonb_each
+        WHERE
+            aml.analytic_distribution IS NOT NULL;
+    """,
+    )