需求 2.5.1 要求记录用户管理操作,先落表结构: - operation_logs 表:冗余 username 保证账号删除后仍可追溯, user_id 外键 ON DELETE SET NULL,success 默认 '0' 与 login_logs 口径一致 - 截断常量(USERNAME/ERROR_MESSAGE/REQUEST_DATA)集中定义,供写入方引用 - 修复既有 V1 迁移与迁移模板的 downgrade:索引是外键唯一支撑索引, 先 drop_index 会报 errno 1553,改为只 drop_table - 同步 db/migration/V2 与 init-dev.sql,迁移版本号更新为 a45a8087831b Co-Authored-By: Claude Code <noreply@anthropic.com>
35 lines
1.0 KiB
Mako
35 lines
1.0 KiB
Mako
"""${message}
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Revision ID: ${up_revision}
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Revises: ${down_revision | comma,n}
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Create Date: ${create_date}
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"""
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from collections.abc import Sequence
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from alembic import op
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import sqlalchemy as sa
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${imports if imports else ""}
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# revision identifiers, used by Alembic.
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revision: str = ${repr(up_revision)}
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down_revision: str | Sequence[str] | None = ${repr(down_revision)}
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branch_labels: str | Sequence[str] | None = ${repr(branch_labels)}
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depends_on: str | Sequence[str] | None = ${repr(depends_on)}
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def upgrade() -> None:
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"""应用迁移。"""
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${upgrades if upgrades else "pass"}
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def downgrade() -> None:
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"""回滚迁移。
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**注意(autogenerate 不会替你处理)**:生成的 `op.drop_index` 与
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`op.drop_table` 顺序需人工检查 —— 若某索引是外键的唯一支撑索引,
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单独 drop_index 会报 MySQL 1553(needed in a foreign key constraint)。
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**整表回滚应只保留 `op.drop_table`**,DROP TABLE 会连带删除索引与外键。
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"""
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${downgrades if downgrades else "pass"}
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