docs_src/query_params_str_validations/tutorial006c.py

from typing import Union

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(q: Union[str, None] = Query(default=..., min_length=3)):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})
    return results
✨ Add support for not needing `...` as default value in required Query(), Path(), Header(), etc. (#4906) * ✨ Do not require default value in Query(), Path(), Header(), etc * 📝 Update source examples for docs with default and required values * ✅ Update tests with new default values and not required Ellipsis * 📝 Update docs for Query params and update info about default value, required, Ellipsis 2022-05-13 18:38:22 -05:00			`from typing import Union`

			`from fastapi import FastAPI, Query`

			`app = FastAPI()`


			`@app.get("/items/")`
			`async def read_items(q: Union[str, None] = Query(default=..., min_length=3)):`
			`results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}`
			`if q:`
			`results.update({"q": q})`
			`return results`