dB script to default templates/templates_history.process_type = 'normal' and set the column to not null

migrations/versions/0064_update_template_process_type.py

@@ -0,0 +1,34 @@
+"""empty message
+
+Revision ID: 0064_update_template_process_type
+Revises: 0063_templates_process_type
+Create Date: 2017-01-16 11:08:00.520678
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0064_update_template_process'
+down_revision = '0063_templates_process_type'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.execute("Update templates set process_type = 'normal'")
+    op.execute("Update templates_history set process_type = 'normal'")
+    op.alter_column('templates', 'process_type',
+                    existing_type=sa.VARCHAR(length=255),
+                    nullable=False)
+    op.alter_column('templates_history', 'process_type',
+                    existing_type=sa.VARCHAR(length=255),
+                    nullable=False)
+
+
+def downgrade():
+    op.alter_column('templates_history', 'process_type',
+                    existing_type=sa.VARCHAR(length=255),
+                    nullable=True)
+    op.alter_column('templates', 'process_type',
+                    existing_type=sa.VARCHAR(length=255),
+                    nullable=True)