42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
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"""Fix media table local_path from Windows backslash to Linux forward-slash."""
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import asyncio
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from sqlalchemy import text
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async def main():
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from app.db.base import async_engine, async_session_maker
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# 先看当前状态
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async with async_engine.connect() as conn:
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sample = (await conn.execute(
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text("SELECT local_path FROM media LIMIT 3")
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)).fetchall()
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for r in sample:
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print(f"before: {r[0][:50]}")
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# 批量修复: media\xx\hash.ext → /data/media/xx/hash.ext
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async with async_session_maker() as session:
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result = await session.execute(text(
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"UPDATE media SET local_path = "
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"CONCAT('/data/media/', "
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" SUBSTRING_INDEX(REPLACE(local_path, CHAR(92), '/'), '/', -2)) "
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"WHERE local_path LIKE 'media%'"
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))
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print(f"updated: {result.rowcount} rows")
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await session.commit()
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# 验证
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async with async_engine.connect() as conn:
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sample = (await conn.execute(
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text("SELECT local_path FROM media LIMIT 3")
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)).fetchall()
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for r in sample:
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print(f"after: {r[0][:50]}")
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await async_engine.dispose()
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if __name__ == "__main__":
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asyncio.run(main())
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