"""为 MatchStats 添加 xG 追踪字段

Revision ID: 0009_match_stats_xg_fields
Revises: 0008_raw_event_and_ingest_failure
Create Date: 2026-09-17

"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = '0009_match_stats_xg_fields'
down_revision: Union[str, None] = '0008_raw_event_and_ingest_failure'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('match_stats', sa.Column('xg_source', sa.String(30), nullable=True))
    op.add_column('match_stats', sa.Column('xg_updated_at', sa.DateTime(timezone=True), nullable=True))
    op.add_column('match_stats', sa.Column('xg_source_record_id', sa.String(100), nullable=True))


def downgrade() -> None:
    op.drop_column('match_stats', 'xg_source_record_id')
    op.drop_column('match_stats', 'xg_updated_at')
    op.drop_column('match_stats', 'xg_source')