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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
Fugu Ultra v2
## åå
`order["price"]` ã **æ°å€ã§ã¯ãªãæåå (`str`)** ã§è¿ã£ãŠããŠããããšãåå ã§ãã
Python ã§ã¯ `"1200" * 3` ã¯æãç®ã§ã¯ãªããæååã3åç¹°ãè¿ãããšããæå³ã«ãªããŸããä»å㯠`quantity` ã `int` ãªã®ã§äžèŠæç«ãããã§ããããšã©ãŒã¡ãã»ãŒãžã瀺ãéã `str * int` ã®çµã¿åããã§åãåã¿åãã `TypeError` ã«ãªã£ãŠããŸãã
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1. **ã«ã©ã åãæåå** â `price` ã `VARCHAR`/`TEXT` ã§å®çŸ©ãããŠããïŒ`"1,200"` ã `"$12.00"` ã®ãããªå€ãæ··ãã£ãŠããã±ãŒã¹ãïŒ
2. **DBãã©ã€ãã®å倿** â MySQL ã® `DECIMAL` ãæååã§è¿ãèšå®ïŒ`raw=True` ãªã©ïŒãSQLite ã«æååã®ãŸãŸ INSERT ãããŠãã
3. **ã¢ããªå±€ã§æååå** â ãã©ãŒã /JSON ã®å
¥åã倿ããã«ãã®ãŸãŸ INSERT ããŠãã
ãŸãå®éã®åã確èªãããšåãåããã§ããŸãã
```python
rows = db.query("SELECT price, quantity FROM orders WHERE user_id = %s", user_id)
for r in rows[:5]:
print(repr(r["price"]), type(r["price"]), repr(r["quantity"]), type(r["quantiâŠ
å¿çæé 97.1ç§åºå 6218 ããŒã¯ã³
gpt-oss-20b
## 1.â¯ãšã©ãŒã®åå
```python
TypeError: unsupported operand type(s) for *: 'str' and 'int'
```
- `order["price"]` ã **æåå (`str`)** ã§ãã
- `order["quantity"]` ã **æŽæ° (`int`)** ã§ãã
- `str * int` ã¯æŒç®ã§ããªãããäŸå€ãçºç
### äœã§ `price` ãæååã«ãªãã®ãïŒ
| DB | å
žåçãªæ»ãå€ã®å | æååã«ãªãã±ãŒã¹ |
|-----|------------------|---------------------|
| PostgreSQLïŒpsycopg2ïŒ | `Decimal` | ãªãïŒæ°å€å㯠`Decimal`ïŒ |
| MySQLïŒmysqlâconnector / pymysqlïŒ | `Decimal` ãŸã㯠`str` | `use_unicode=True` ã `cursorclass=` ãèšå®ãããŠãããšæååã«ãªã |
| SQLiteïŒsqlite3ïŒ | `int`/`float` | ãªã |
ãããã£ãŠãä»å䜿ãããŠãã `db.query()` ã§ã¯äŸ¡æ Œåã **æååãšããŠè¿ãããŠãã** ããšãåå ã§ãã
---
## 2.â¯ä¿®æ£æ¹æ³
### â â¯æ°å€åãžãã£ã¹ãããŠè¶³ãç®
```python
def get_user_orders(user_id):
# â ã¯ãšãªå®è¡
orders = db.querâŠ
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async function fetchAllUsers(page: number = 1): Promise<any[]> {
let allUsers: any[] = [];
let hasMore = true;
let currentPage = page;
while (hasMoâŠ
Fugu Ultra v2
# ã³ãŒãã¬ãã¥ãŒ: `fetchAllUsers`
ããžãã¯ã®æå³ã¯æç¢ºã§ã`async/await` ã«ããçŽ çŽãªå®è£
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ç¢æ§**ã«éèŠãªæ¹åäœå°ããããŸãã以äžãéèŠåºŠé ã«ãŸãšããŸãã
---
## ææäºé
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容 |
|---|---|---|---|
| 1 | ðŽ é« | ãã° | `response.ok` ã確èªããŠããªãïŒ4xx/5xx ãæ£åžžç³»ãšããŠåŠçïŒ |
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| 5 | ð äž | å
ç¢æ§ | ãã£ã³ã»ã«ïŒ`AbortSignal`ïŒéå¯Ÿå¿ |
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| 8 | ð äžâŠ
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gpt-oss-20b
## â ãã£ããããå®è£
æŠèŠ
```ts
async function fetchAllUsers(page: number = 1): Promise<any[]> {
/* ⊠*/
}
```
- 1ããŒãžã«ã€ãæå€§100ä»¶ååŸãã`status !== "deleted"` ã®ã¬ã³ãŒãã ãã
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| ⢠`if (data.users.length < 100)` ã§çµäºå€å® | `data.users.splice` ã§çµç«¯ã倿 | âïŒèšèšâŠ
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