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fix(mileage): 7天里程趋势忽略负值脏数据
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v_vehicle_daily_stats.daily_km 偶发负值（粤A00828F 在 5.1 录得 -82061km），
源于里程表回滚 / 换 GPS 设备。SQL 聚合时把负值置 0，避免一辆脏数据车
拖垮整组的当日趋势柱。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
kkfluous
2026-05-03 10:33:25 +08:00
parent 0193e78f18
commit 433a75f9d1
1 changed files with 3 additions and 1 deletions
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4
src/server/routes/mileage/trend.ts
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@@ -19,8 +19,10 @@ app.get('/', async (c) => {
if (plates.length === 0) return c.json([]); if (plates.length === 0) return c.json([]);
} }
// 单车日里程负值视为脏数据（里程表回滚 / 换 GPS 设备），不纳入统计
let sql = ` let sql = `
SELECT DATE_FORMAT(stat_date, '%m-%d') as date, SUM(daily_km) as mileage SELECT DATE_FORMAT(stat_date, '%m-%d') as date,
SUM(IF(daily_km < 0, 0, daily_km)) as mileage
FROM v_vehicle_daily_stats FROM v_vehicle_daily_stats
WHERE stat_date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) AND stat_date < CURDATE() WHERE stat_date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) AND stat_date < CURDATE()
`; `;