* `Field(index=True)` 告訴 SQLModel 應為此欄位建立「SQL 索引」，以便在用此欄位過濾讀取資料時更快查詢。

    SQLModel 會知道宣告為 `str` 的欄位在 SQL 中會是 `TEXT`（或 `VARCHAR`，依資料庫而定）。

### 建立引擎 { #create-an-engine }

SQLModel 的 `engine`（底層實際上是 SQLAlchemy 的 `engine`）是用來「維護與資料庫連線」的東西。

你的程式中應該只有「單一 `engine` 物件」來連到同一個資料庫。

text=foobar...

text=hogehogehoge...

    ],
)
def test_required_alias_by_alias(path: str):
    client = TestClient(app)
    response = client.post(path, files=[("p_alias", b"hello")])
    assert response.status_code == 200, response.text
    assert response.json() == {"file_size": 5}


# =====================================================================================
# Validation alias


@app.post(

	TypeDir     = '5' // Directory
	TypeFifo    = '6' // FIFO node

	// Type '7' is reserved.
	TypeCont = '7'

	// Type 'x' is used by the PAX format to store key-value records that
	// are only relevant to the next file.
	// This package transparently handles these types.
	TypeXHeader = 'x'

	// Type 'g' is used by the PAX format to store key-value records that
	// are relevant to all subsequent files.

def test_dependency_gets_exception():
    assert state["except"] is False
    assert state["finally"] is False
    response = client.put("/invalid-user/rick", json="Morty")
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "Invalid user"}
    assert state["except"] is True
    assert state["finally"] is True
    assert fake_database["rick"] == "Rick Sanchez"


def test_dependency_no_exception():

    ],
)
def test_required_alias_by_alias(path: str):
    client = TestClient(app)
    response = client.get(path, headers={"p_alias": "hello"})
    assert response.status_code == 200, response.text
    assert response.json() == {"p": "hello"}


# =====================================================================================
# Validation alias


@app.get("/required-validation-alias")

    response = client.put("/items/foo", json={"name": "Wrestlers"})
    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Wrestlers", "size": None}


def test_create(client: TestClient):
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

    * 私のアイデアや、作成したツールに関する記事を読めます。
    * 新しい記事を公開したときに読めます。

## **FastAPI** についてツイート { #tweet-about-fastapi }

[**FastAPI** についてツイート](https://x.com/compose/tweet?text=I'm loving @fastapi because... https://github.com/fastapi/fastapi)して、なぜ気に入っているのかを私や他の人に教えてください。🎉

**FastAPI** がどのように使われているか、どこを気に入っているか、どのプロジェクト/会社で使っているか等、聞けると嬉しいです。

## FastAPIに投票 { #vote-for-fastapi }

import java.net.NoRouteToHostException;
import java.net.SocketException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.ArrayList;