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0a6f753584
- 此前 MySQL 适配时模型编辑误删 description，导致仓储序列化 AttributeError - 0037_system_config_description：幂等补列（SQLite 已有则跳过）并回填存量说明 - 与并行的 0037_market 分叉建 merge 版本，统一迁移线（当前 head=02d10eccb1f9）
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
"""补回 system_configs.description（此前模型编辑误删，导致 /admin/config 500）。
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Revision ID: 0037_system_config_description
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Revises: 0036_service_orders
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Create Date: 2026-08-31
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"""
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from __future__ import annotations
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import sqlalchemy as sa
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from alembic import op
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revision = "0037_system_config_description"
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down_revision = "0036_service_orders"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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"""SQLite 已有该列 → 仅 MySQL/缺失时补；幂等（查列存在性）。"""
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bind = op.get_bind()
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insp = sa.inspect(bind)
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cols = [c["name"] for c in insp.get_columns("system_configs")]
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if "description" not in cols:
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op.add_column("system_configs", sa.Column("description", sa.String(), nullable=True, server_default=""))
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# 从 SQLite 备份源回填说明（如存在）
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try:
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import sqlite3
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from pathlib import Path
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db_path = Path("serverdata/data/app.db")
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if db_path.exists():
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sconn = sqlite3.connect(str(db_path))
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rows = sconn.execute("SELECT key, description FROM system_configs").fetchall()
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sconn.close()
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from sqlalchemy import text
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for k, d in rows:
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if d:
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bind.execute(text("UPDATE system_configs SET description=:d WHERE `key`=:k"),
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{"d": d, "k": k})
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except Exception: # noqa: BLE001 回填失败不阻塞
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pass
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def downgrade() -> None:
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pass # 保留列（回滚会造成数据丢失）
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