shangfangjian
b30ad56319
lifespan 加 _fail_stale_ingest_jobs():UPDATE ingest_jobs SET status=failed
WHERE status IN ('pending','running');异常仅记 warning 不阻断启动。
顺手修复 0021(op.text→字符串)/0023(索引名 leason→league)/0024(type_unique→type_)
三个待执行迁移 bug。
测试 test_p1_e_stale_ingest_jobs(2/2 mock);全量 315 通过。
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
"""P0-02: 积分榜改为追加快照(append-only) + available_at
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去掉 uq_standings_league_season_team(league,season,team 唯一),
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改为 (league, season, team, available_at) 唯一;
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每次采集 INSERT 新行(available_at=now),支持回测还原历史榜单。
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Revision ID: 0023_standings_append_only
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Revises: 0022_match_score_status
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Create Date: 2026-09-22
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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revision: str = '0023_standings_append_only'
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down_revision: Union[str, None] = '0022_match_score_status'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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from datetime import datetime, timezone
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# 1) 加 available_at 列(非空,默认 now;存量回填 retrieved_at 或 now)
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op.add_column(
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'standings',
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sa.Column('available_at', sa.DateTime(timezone=True), nullable=False,
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server_default=sa.func.now()),
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)
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# 存量行: available_at 取 retrieved_at(若存在)否则 now
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op.execute("UPDATE standings SET available_at = COALESCE(retrieved_at, NOW())")
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# 2) 去旧唯一约束,加新唯一约束(league, season, team, available_at)
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op.drop_constraint('uq_standings_league_season_team', 'standings', type_='unique')
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# 原始索引名拼写为 leason(历史遗留),按实际库名删除
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op.drop_index('ix_standings_league_season_pos', table_name='standings', if_exists=True)
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op.create_index('ix_standings_league_season_pos_v2', 'standings', ['league_id', 'season', 'position'])
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op.create_unique_constraint(
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'uq_standings_league_season_team_available', 'standings',
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['league_id', 'season', 'team_id', 'available_at'],
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)
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op.create_index(
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'ix_standings_league_season_team_available', 'standings',
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['league_id', 'season', 'team_id', 'available_at'],
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)
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def downgrade() -> None:
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op.drop_index('ix_standings_league_season_team_available', table_name='standings')
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op.drop_constraint('uq_standings_league_season_team_available', 'standings', type_='unique')
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op.drop_index('ix_standings_league_season_pos', table_name='standings')
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op.create_index('ix_standings_leason_season_pos', 'standings', ['league_id', 'season', 'position'])
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op.create_unique_constraint(
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'uq_standings_league_season_team', 'standings',
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['league_id', 'season', 'team_id'],
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)
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op.drop_column('standings', 'available_at')
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