Added migration script

bi_view_editor/migrations/10.0.1.0.2/post-migrate.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 Simone Rubino - Agile Business Group
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openupgradelib.openupgrade import logged_query, migrate
+import json
+
+
+@migrate()
+def migrate(env, version):
+    cr = env.cr
+    convert_text_to_serialized(
+        cr, env['bve.view']._table, env['bve.view']._fields['data'].name)
+    pass
+
+
+def convert_text_to_serialized(
+        cr, table, text_field_name, serialized_field_name=None):
+    """
+    Convert Text field value to Serialized value.
+    """
+    if not serialized_field_name:
+        serialized_field_name = text_field_name
+    select_query = """
+SELECT
+    id,
+    %(text_field_name)s
+FROM %(table)s
+WHERE %(text_field_name)s IS NOT NULL
+"""
+    cr.execute(
+        select_query % {
+            'text_field_name': text_field_name,
+            'table': table,
+        }
+    )
+    update_query = """
+UPDATE %(table)s
+    SET %(serialized_field_name)s = %%(field_value)s
+    WHERE id = %(record_id)d
+"""
+    for row in cr.fetchall():
+        # Fill in the field_value later because it needs escaping
+        row_update_query = update_query % {
+            'serialized_field_name': serialized_field_name,
+            'table': table,
+            'record_id': row[0]}
+        logged_query(
+            cr, row_update_query, {
+                'field_value': json.dumps(row[1])
+            })