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fix(schema): 입금자명 길이 제한 50자 → 15자로 조정

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근거:
- SMS 입금자명: 한글 7자 제한 (은행 시스템)
- 사용자 수동 입력: 15자로 충분한 여유
- 매칭 로직: 앞 7자만 사용

변경사항:
- CHECK (length(depositor_name) <= 50) → 15
- 데이터 복원 시 truncate: 50자 → 15자
- SCHEMA_MIGRATION_GUIDE.md 업데이트
- MIGRATION_SUMMARY.md 업데이트

로컬 테스트 결과:
- ✅ 15자 이하: 정상 입력
  - 숫자 15자: "123456789012345" ✓
  - 한글 15자: "홍길동아버지어머니할머님고모고" ✓
- ✅ 16자 이상: 거부됨
  - 숫자 16자: "1234567890123456" ✗ (CHECK 제약조건)
  - 한글 16자: "홍길동아버지어머니할머님고모고모" ✗ (CHECK 제약조건)

실용성:
- SMS 7자 보장 + 사용자 입력 여유
- 불필요한 긴 이름 방지
- 매칭 로직과 완벽 호환

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
kappa
2026-01-19 16:02:18 +09:00
parent 04dcb57fae
commit 4a0499890a
3 changed files with 16 additions and 16 deletions
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12
SCHEMA_MIGRATION_GUIDE.md
View File

@@ -13,7 +13,7 @@ This migration adds critical data integrity constraints and audit logging capabi
| Change | Purpose | Risk Level |
|--------|---------|------------|
| `user_deposits.balance` CHECK constraint | Prevent negative balances | Medium |
| `deposit_transactions.depositor_name` length limit | Enforce 50 character max | Low |
| `deposit_transactions.depositor_name` length limit | Enforce 15 character max | Low |
| `audit_logs` table | Track all important operations | None (new table) |
---
@@ -46,20 +46,20 @@ INSERT INTO user_deposits (user_id, balance) VALUES (999999, -1000);
### 2. Depositor Name Length (`deposit_transactions`)
**Goal**: Limit `depositor_name` to 50 characters max
**Goal**: Limit `depositor_name` to 15 characters max
**Implementation**:
```sql
CREATE TABLE deposit_transactions (
...
depositor_name TEXT CHECK (length(depositor_name) <= 50),
depositor_name TEXT CHECK (length(depositor_name) <= 15),
...
);
```
**Impact**:
- ✅ Prevents excessively long names
- 📏 Truncates existing names >50 chars (logs truncated records)
- 📏 Truncates existing names >15 chars (logs truncated records)
- 🔧 Requires table recreation (SQLite limitation)
**Verification**:
@@ -137,7 +137,7 @@ wrangler d1 execute telegram-conversations \
# Check for long depositor names (will be truncated)
wrangler d1 execute telegram-conversations \
--command "SELECT id, depositor_name, length(depositor_name) as len FROM deposit_transactions WHERE length(depositor_name) > 50"
--command "SELECT id, depositor_name, length(depositor_name) as len FROM deposit_transactions WHERE length(depositor_name) > 15"
```
### 3. Notify Users (if downtime expected)
@@ -496,7 +496,7 @@ wrangler d1 execute telegram-conversations \
After migration, verify:
- [ ] All user_deposits records have `balance >= 0`
- [ ] All deposit_transactions have `depositor_name` length <= 50
- [ ] All deposit_transactions have `depositor_name` length <= 15
- [ ] audit_logs table exists with correct schema
- [ ] All indexes recreated successfully
- [ ] Record counts match pre-migration