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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
DeepSeek V4.1 Flash
åå ã¯ã`order["price"]` ãæ°å€ã§ã¯ãªã **æååïŒstrïŒ** ãšããŠè¿ã£ãŠããŠããããšã§ãã
ãã®ããã`str * int` ãå®è¡ããããšã㊠`TypeError` ã«ãªã£ãŠããŸãã
```python
order["price"] * order["quantity"]
# äŸ: "1000" * 2 â ãšã©ãŒ
```
DBãã©ã€ããç¬èªã® `db.query` ã©ãããŒã«ãã£ãŠã¯ã`DECIMAL` ã `NUMERIC` ã®å€ãæååã§è¿ãããšããããŸãããŸããDBäžã§ `price` ã `VARCHAR` ã«ãªã£ãŠããå Žåãåæ§ã§ãã
## ä¿®æ£æ¹æ³
ä¹ç®ããåã« `price` ãæ°å€ã«å€æããŸããéé¡ãæ±ããªã `Decimal` ãå®å
šã§ãã
```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
)
return {
"user_id": user_id,âŠ
å¿çæé 62.2ç§åºå 1313 ããŒã¯ã³
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
æååã«ãªãå
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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
ã³ãŒãã¬ãã¥ãŒ
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async function fetchAllUsers(page: number = 1): Promise<any[]> {
let allUsers: any[] = [];
let hasMore = true;
let currentPage = page;
while (hasMoâŠ
DeepSeek V4.1 Flash
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šæ§ã»ãšã©ãŒåŠçã»å¯èªæ§ã»ããŒãžããŒã·ã§ã³ã®æ±ã** ã§ãã
## äž»ãªæ¹åç¹
### 1. åå®å
šæ§
- `any[]` ã¯é¿ããã`User` / `ApiUser` / `ApiUsersResponse` ãå®çŸ©ããã
- `response.json()` ã®çµæã¯ `any` ã«ãªããã¡ãªã®ã§ãåãä»ããã
- å¯èœãªã `zod` ãªã©ã§å®è¡æããªããŒã·ã§ã³ãè¡ãã
### 2. ãšã©ãŒåŠç
- `fetch` 㯠HTTP 404/500 ã§ã reject ããªãããã`response.ok` ãå¿
ã確èªããã
- ã¬ã¹ãã³ã¹åœ¢ç¶ãäžæ£ãªå Žåãæç€ºçã«ãšã©ãŒã«ããã
### 3. å¯èªæ§
- `for (let i = 0; ...)` ãã `for...of` ãèªã¿ãããã
- `let user` 㯠`const user` ã«ããã
- `100` ãªã©ã®ããžãã¯ãã³ããŒã¯å®æ°åããã
- `hasMore` ãã©ã°ãã `while (true)` + `break` ã®ã»ããæå³ãæç¢ºã
- `first_name + " " + last_name` ã¯ãã³ãã¬ãŒããªãã©ã«ã `join` ã䜿ãã
### 4. ããã©ãŒãã³ã¹
- ããŒãžããŒã·ã§ã³ã鿬¡ååŸãªã®ã¯åºæ¬çã«æ£ããã
ãã ã API ãç·ããŒãžæ°ã `hasMore` ãè¿ããªããäœåãªæçµãªã¯ãšã¹ããåæžã§ããã
- ç·ããŒãžæ°ãæ¢ç¥ãªã `Promise.all` ã§äžŠåååŸã§ããããã¬ãŒããªãããã«ã¯æ³šæã
- 倧éããŒã¿ãâŠ
å¿çæé 41.3ç§åºå 6310 ããŒã¯ã³
Fugu Ultra v2
# ã³ãŒãã¬ãã¥ãŒ: `fetchAllUsers`
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---
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容 |
|---|---|---|---|
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| 4 | ð äž | å
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| 5 | ð äž | å
ç¢æ§ | ãã£ã³ã»ã«ïŒ`AbortSignal`ïŒéå¯Ÿå¿ |
| 6 | ð äž | ä¿å®æ§ | ããžãã¯ãã³ã㌠`100` ã®éè€å®çŸ© |
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| 8 | ð äžâŠ
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