"""remove country field from fruit model Revision ID: a1b2c3d4e5f6 Revises: f7d3e8a9c2b6 Create Date: 2024-01-23 10:20:30.123456 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = '237fe07a' down_revision = 'f7d3e8a9c2b6' branch_labels = None depends_on = None def upgrade(): op.drop_column('fruits', 'country') def downgrade(): op.add_column('fruits', sa.Column('country', sa.String(), nullable=True))