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Traceback (most recent call last):
File "app.py", line 23, in get_user_orders
total = sum(order["price"] * order["quantity"] for order in orders)
TypeError: unsupportâŠ
GLM 4.7
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`order["price"]`ïŒãŸã㯠`order["quantity"]`ïŒã**æåå (`str`)** åãšããŠè¿ã£ãŠããŠããã®ã«ãã³ãŒãå
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#### ä¿®æ£åŸã®ã³ãŒã
```python
def get_user_orders(user_id):
orders = db.query("SELECT price, quantity FROM orders WHERE user_id = %s", user_id)
# æååãæ°å€ã«å€æããŠããèšç®ããŸã
total = sum(float(order["price"]) * int(order["quantity"]) for order in orders)
return {"user_id": user_id, "total": total, "orders": orders}âŠ
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### 1. åå
```
TypeError: unsupported operand type(s) for *: 'str' and 'int'
```
㯠`æåå * æ°å€` ã®æãç®ãã§ããªããšãããšã©ãŒã§ãã
`quantity` 㯠`int` ãªã®ã«å¯Ÿãã`price` ã `'1500'` ã®ãã㪠`str` ã«ãªã£ãŠããŸãã
DBã® `price` ã«ã©ã ã `VARCHAR / TEXT` åã«ãªã£ãŠããããMySQLãªã©ã§ `DECIMAL` åã䜿ã£ãŠããŠDBãã©ã€ããæååãšããŠè¿ããŠããã®ãåå ã§ããçºçããŸãã
### 2. ä¿®æ£æ¹æ³
èšç®ããåã« `price` ãæ°å€åã«å€æããå¿
èŠããããŸããéé¡ã®èšç®ãªã®ã§ `float` ã§ã¯ãªã `Decimal` ã䜿ãã®ãæšå¥šã§ãã
#### ä¿®æ£äŸ1: ã·ã³ãã«ãªä¿®æ£
```python
from decimal import Decimal
def get_user_orders(user_id):
orders = db.query("SELECT price, quantity FROM orders WHERE user_id = %s", (user_id,))
total = sum(Decimal(str(order["price"])) * int(order["quantity"]) for order in orders)
returâŠ
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async function fetchAllUsers(page: number = 1): Promise<any[]> {
let allUsers: any[] = [];
let hasMore = true;
let currentPage = page;
while (hasMoâŠ
GLM 4.7
ãæç€ºããã ããTypeScript颿°ãã¬ãã¥ãŒããŸããã
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### äž»ãªæ¹åç¹
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å ±ãšããŠåŸãããŸããããŸãã`data` ã `any` ãšããŠæ±ãããŠããŸãã
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| èŠ³ç¹ | åé¡ç¹ |
| :--- | :--- |
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