add PhoneNumber.comment column

app/models.py

@@ -2729,6 +2729,9 @@ class PhoneNumber(Base, ModelMixin):
 
     active = sa.Column(sa.Boolean, nullable=False, default=True)
 
+    # do not load this column
+    comment = deferred(sa.Column(sa.Text, nullable=True))
+
     country = orm.relationship(PhoneCountry)
 
 

migrations/versions/2022_010414_753d2ed92d41_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: 753d2ed92d41
+Revises: 3d05479d0d11
+Create Date: 2022-01-04 14:54:37.818658
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '753d2ed92d41'
+down_revision = '3d05479d0d11'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('phone_number', sa.Column('comment', sa.Text(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('phone_number', 'comment')
+    # ### end Alembic commands ###