add coupon.comment column

app/models.py

@@ -2097,6 +2097,8 @@ class Coupon(Base, ModelMixin):
         sa.Boolean, default=False, nullable=False, server_default="0"
     )
 
+    comment = sa.Column(sa.Text, nullable=True)
+
 
 class Directory(Base, ModelMixin):
     __tablename__ = "directory"

migrations/versions/2021_111711_ccbfb61eda0d_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: ccbfb61eda0d
+Revises: 11ba83e2dd71
+Create Date: 2021-11-17 11:52:12.160638
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'ccbfb61eda0d'
+down_revision = '11ba83e2dd71'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('coupon', sa.Column('comment', sa.Text(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('coupon', 'comment')
+    # ### end Alembic commands ###