Adding migration file

panoramix/migrations/versions/1a48a5411020_adding_slug_to_dash.py

@@ -0,0 +1,23 @@
+"""adding slug to dash
+
+Revision ID: 1a48a5411020
+Revises: 289ce07647b
+Create Date: 2015-12-04 09:42:16.973264
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '1a48a5411020'
+down_revision = '289ce07647b'
+
+from alembic import op
+import sqlalchemy as sa
+
+def upgrade():
+    op.add_column('dashboards', sa.Column('slug', sa.String(length=255), nullable=True))
+    op.create_unique_constraint(None, 'dashboards', ['slug'])
+
+
+def downgrade():
+    op.drop_constraint(None, 'dashboards', type_='unique')
+    op.drop_column('dashboards', 'slug')