Update type of 'description' field to 'text' for table workflow_executions_v2

Change-Id: I5ae7f0f39822c99d11bd7cd6191e036afd7e6721

mistral/db/sqlalchemy/migration/alembic_migrations/versions/041_update_description_field_type_for_workflow_executions_v2.py

@@ -0,0 +1,38 @@
+# Copyright 2020 Nokia Software.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Update type of 'description' field for
+   table 'workflow_executions_v2' to text
+
+Revision ID: 041
+Revises: 040
+Create Date: 2022-04-19
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '041'
+down_revision = '040'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.alter_column(
+        'workflow_executions_v2',
+        column_name='description', type_=sa.Text(),
+        existing_type=sa.String(length=255)
+    )

releasenotes/notes/update-type-of-description-field-for-workflow-executions-v2-e3a2782a0ee58ebe.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The dbsync needs to be executed to run the migration of the
+    description field in the workflow_executions_v2 table to text.