[M-AI-02-10] 实现 Legacy 字段到 AiJob 新字段的 Shadow Write 与历史回填 #282
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opened 2026-06-19 23:30:04 +08:00 by wangdl
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M-AI-02 统一 AiJob 数据库 Expand
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Reference: wangdl/api-server#282
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依赖
目标
保持旧字段作为读取来源,同时让新创建和更新的 Job 同步写入统一字段,并对历史数据执行可重复回填。
Shadow Write
当前 Job 创建时同时写:
旧状态更新时同时映射:
读取规则
本批必须保持:
禁止 Controller、iOS、Admin 主视图改读新生命周期。
回填脚本
新增可重复执行脚本,例如:
要求:
回填映射
只允许回填可以确定的数据:
无法可靠推断的字段保持 null,禁止猜测。
数据校验
迁移后输出:
回滚
应用回滚时:
验收
[M-AI-02] 实现 Legacy 字段到 AiJob 新字段的 Shadow Write 与历史回填to [M-AI-02-10] 实现 Legacy 字段到 AiJob 新字段的 Shadow Write 与历史回填开发完成评论
完成内容
1. Shadow Write(ai-analysis.repository.ts)
createJob(): 同步写入lifecycleStatus='queued'、triggerType='api'、queueName='ai-interactive'、inputSchemaVersion='legacy-v1'、attemptCount=0updateJobStatus(): 旧 status → 新 lifecycleStatus 映射pending→queuedprocessing→runningcompleted→succeededfailed→failedstatus字段(不切换)2. 回填脚本(scripts/backfill-ai-job-expand.ts)
--dry-run模式:只统计不写入--batch-size N:分批处理3. 数据校验输出
修改文件
src/modules/ai-analysis/ai-analysis.repository.ts:createJob/updateJobStatus 新增 Shadow Write(+14 行)scripts/backfill-ai-job-expand.ts(新增,149 行)验证
status仍为业务读取来源 ✅测试情况
是否建议进入 Review