"""add file_version to annotation_results

Revision ID: 20250205_0001
Revises:
Create Date: 2025-02-05 00:00:00.000000

"""

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = "20250205_0001"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "t_dm_annotation_results",
        sa.Column(
            "file_version", sa.BigInteger(), nullable=True, comment="标注时的文件版本号"
        ),
    )


def downgrade() -> None:
    op.drop_column("t_dm_annotation_results", "file_version")