"""referal_id added.

Revision ID: c447fdf8cc97
Revises: 9692349958be
Create Date: 2026-04-05 20:48:26.792824

"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision: str = "c447fdf8cc97"
down_revision: Union[str, Sequence[str], None] = "9692349958be"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column("users", sa.Column("referal_id", sa.BIGINT(), nullable=True))
    op.create_unique_constraint(None, "users", ["id"])
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, "users", type_="unique")
    op.drop_column("users", "referal_id")
    # ### end Alembic commands ###