226 lines
6.1 KiB
Markdown
226 lines
6.1 KiB
Markdown
# SQL逻辑错误修复方案
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## 问题诊断
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**用户发现的逻辑问题**:
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```
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当日换单成功数 < 16点前考核通过数 + 16点后考核通过数
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```
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这违反了基本的数学关系:**考核通过的包裹数 ≤ 成功的包裹数**
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---
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## 根本原因
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### 当前SQL的日期维度混乱
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| CTE | 日期维度 | 计算逻辑 | 问题 |
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|-----|---------|---------|------|
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| **DailySuccessCount** | 扫描日期 | 按扫描成功时的日期 | ❌ 不同维度 |
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| **DailyBeforeNoonPassed** | 到货日期 | 按订单到货时的日期 | ❌ 不同维度 |
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| **DailyAfternoonPassed** | 到货日期 | 按订单到货时的日期 | ❌ 不同维度 |
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### 导致的结果
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```
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示例:
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订单A: 到货日期=05-15, 首次成功日期=05-16, 到货时间=15:30(16点前)
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当前统计:
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- 05-15 的"16点前考核通过数"包含订单A ❌(错误!订单A 05-15还未成功)
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- 05-16 的"当日换单成功数"包含订单A ✓
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- 结果:05-15 的考核通过数可能 > 成功数(矛盾!)
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```
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---
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## 正确的逻辑
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### 所有指标都应该按"首次成功日期"分组
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```sql
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当日换单成功数 = COUNT(DISTINCT 首次成功日期=当天的包裹)
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16点前考核通过 = COUNT(DISTINCT
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首次成功日期=当天
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AND 满足考核时间
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AND 到货时间<16点 的包裹)
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16点后考核通过 = COUNT(DISTINCT
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首次成功日期=当天
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AND 满足考核时间
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AND 到货时间≥16点 的包裹)
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```
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### 数学关系
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```
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当日换单成功数 = 16点前成功数 + 16点后成功数
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当日考核通过数 = 16点前考核通过 + 16点后考核通过
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考核通过数 ≤ 成功数 ✓
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```
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---
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## 修复步骤
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### 步骤1:修改DailySuccessCount
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**当前(错误)**:
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```sql
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DailySuccessCount AS (
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SELECT
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DATE(CONVERT_TZ(s.CreatedAt, '+00:00', '-05:00')) AS 日期, ← 扫描日期
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...
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```
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**改为(正确)**:
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```sql
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DailySuccessCount AS (
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SELECT
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DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00')) AS 日期, ← 首次成功日期
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COUNT(DISTINCT oss.NeutralWaybillNumber) AS 当日换单成功数
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FROM OverallScanStatus oss
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INNER JOIN ArrivalRequests ar ON oss.NeutralWaybillNumber = ar.NeutralWaybillNumber
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WHERE oss.曾成功 = 1 AND oss.首次成功时间 IS NOT NULL
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GROUP BY DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00'))
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)
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```
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### 步骤2:修改DailyBeforeNoonPassed
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**当前(错误)**:
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```sql
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DailyBeforeNoonPassed AS (
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SELECT
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ar.到货日期 AS 日期, ← 到货日期(错!)
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COUNT(DISTINCT ar.NeutralWaybillNumber) AS 16点前考核通过包裹数
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FROM ArrivalRequests ar
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...
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GROUP BY ar.到货日期
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)
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```
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**改为(正确)**:
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```sql
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DailyBeforeNoonPassed AS (
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SELECT
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DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00')) AS 日期, ← 首次成功日期
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COUNT(DISTINCT ar.NeutralWaybillNumber) AS 16点前考核通过包裹数
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FROM ArrivalRequests ar
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INNER JOIN OverallScanStatus oss ON ar.NeutralWaybillNumber = oss.NeutralWaybillNumber
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WHERE
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oss.曾成功 = 1
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AND oss.首次成功时间 IS NOT NULL
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-- 16点前到仓
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AND HOUR(ar.到货时间) < 16
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-- 满足考核时间
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AND (
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(ar.考核时间 IS NOT NULL AND CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00') <= ar.考核时间)
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OR (ar.考核时间 IS NULL)
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)
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GROUP BY DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00'))
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)
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```
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### 步骤3:修改DailyAfternoonPassed
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**当前(错误)**:
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```sql
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DailyAfternoonPassed AS (
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SELECT
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ar.到货日期 AS 日期, ← 到货日期(错!)
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COUNT(DISTINCT ar.NeutralWaybillNumber) AS 16点后考核通过包裹数
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FROM ArrivalRequests ar
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...
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GROUP BY ar.到货日期
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)
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```
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**改为(正确)**:
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```sql
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DailyAfternoonPassed AS (
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SELECT
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DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00')) AS 日期, ← 首次成功日期
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COUNT(DISTINCT ar.NeutralWaybillNumber) AS 16点后考核通过包裹数
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FROM ArrivalRequests ar
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INNER JOIN OverallScanStatus oss ON ar.NeutralWaybillNumber = oss.NeutralWaybillNumber
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WHERE
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oss.曾成功 = 1
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AND oss.首次成功时间 IS NOT NULL
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-- 16点后到仓
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AND HOUR(ar.到货时间) >= 16
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-- 满足考核时间
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AND (
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(ar.考核时间 IS NOT NULL AND CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00') <= ar.考核时间)
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OR (ar.考核时间 IS NULL)
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)
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GROUP BY DATE(CONVERT_TZ(oss.首次成功时间, '+00:00', '-05:00'))
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)
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```
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---
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## 修改影响分析
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### 直接影响的CTE
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- ✏️ `DailySuccessCount` - 修改日期维度
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- ✏️ `DailyBeforeNoonPassed` - 修改日期维度 + JOIN逻辑
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- ✏️ `DailyAfternoonPassed` - 修改日期维度 + JOIN逻辑
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### 间接受影响的CTE
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- `DailyStatsWithPrev` - 需要验证是否需要调整
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- 最终SELECT - 可能需要调整来源
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### 可以删除的CTE
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- ❌ `Daily24HCompletedOrders` - 现在已被DailySuccessCount覆盖
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- ❌ `DailyCompletedOrders` - 现在已被DailySuccessCount覆盖(如果只关心成功包裹)
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---
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## 验证修改后的逻辑
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修改后应该满足:
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```
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∀日期d:
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当日换单成功数(d)
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= 16点前首次成功数(d) + 16点后首次成功数(d)
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16点前考核通过(d) ≤ 16点前首次成功数(d)
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16点后考核通过(d) ≤ 16点后首次成功数(d)
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当日换单成功数(d) ≥ 当日考核通过数(d)
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```
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---
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## 报表对比
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### 修改前(错误)
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```
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日期 当日成功数 16点前考核 16点后考核 检查
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05-16 50 60 20 ❌ 60+20 > 50 (矛盾!)
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```
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### 修改后(正确)
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```
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日期 当日成功数 16点前成功 16点前考核 16点后成功 16点后考核 检查
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05-16 80 50 45 30 20 ✅ 80=50+30, 65≤80
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```
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---
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## 总结
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**核心修改原则**:
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所有关于"成功"和"考核通过"的统计,都必须基于**首次成功日期**,而不是**到货日期**或**扫描日期**。
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这样才能保证:**考核通过数 ≤ 成功数** 的基本逻辑关系。
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