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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
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¥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
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`price` ãæååãšããŠè¿ãããŠããå¯èœæ§ããããŸãããã ãã**æç€ºããããšã©ãŒã¡ãã»ãŒãžãšã³ãŒãã«ã¯é£ãéãããããŸã**ã
Python ã®æšæºã® `str` ãš `int` ã¯æãç®ã§ããæ°å€èšç®ã§ã¯ãªãæååã®ç¹°ãè¿ãã«ãªããŸãã
```python
"100" * 2 # "100100"
```
ãã®ããã`price="100"`ã`quantity=2` ã§ããã°ãéåžžã¯æãç®ã§ã¯ãªãã`sum()` ãæååãå ç®ããæ®µéã§ `int` ãš `str` ã®å ç®ãšã©ãŒã«ãªããŸããå®éã®å€ã»åãšãå®è¡äžã®ã³ãŒããæç€ºå
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éçºç°å¢ã§ãèšç®ã®çŽåã«æ¬¡ãå
¥ããŠç¢ºèªããŸãã
```python
for order in orders:
print(
"price:", repr(order["price"]), type(order["price"]),
"quantity:", repr(order["quantity"]), type(order["quantity"]),
)
```
â» `orders` ãã€ãã¬ãŒã¿ãŒã®å Žåããã®ç¢ºèªã§æ¶è²»ããããããå
ã« `orders = list(orders)` ãšããŠãã ããã
### 2. æ°å€ã«å€æããŠèšç®ãã
éé¡ã«ã¯ãæµ®åå°æ°ç¹ã®äžžã誀差ãé¿ãããã `float` ãã `Decimal` ãé©ããŠããŸãã`price` ãæ°å€ãŸãã¯æ°å€æååã§ã`quantityâŠ
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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`
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| 7 | ð äž | ä¿å®æ§ | ããžãã¯æåå `"deleted"` |
| 8 | ð äžâŠ
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## äž»ãªæ¹åç¹
### 1. `any` ãå
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