Company   Company
	ManagerID *uint
	Manager   *User
	Team      []User     `gorm:"foreignkey:ManagerID"`
	Languages []Language `gorm:"many2many:UserSpeak;"`
	Friends   []*User    `gorm:"many2many:user_friends;"`
	Active    bool
}

type Account struct {
	gorm.Model
	UserID sql.NullInt64
	Number string
}

type Pet struct {
	gorm.Model
	UserID *uint
	Name   string
	Toy    Toy `gorm:"polymorphic:Owner;"`
}

	"gorm.io/gorm/utils"
)

func BeforeDelete(db *gorm.DB) {
	if db.Error == nil && db.Statement.Schema != nil && !db.Statement.SkipHooks && db.Statement.Schema.BeforeDelete {
		callMethod(db, func(value interface{}, tx *gorm.DB) bool {
			if i, ok := value.(BeforeDeleteInterface); ok {
				db.AddError(i.BeforeDelete(tx))
				return true
			}

			return false
		})
	}
}

func DeleteBeforeAssociations(db *gorm.DB) {

///

## Query parameter type conversion { #query-parameter-type-conversion }

You can also declare `bool` types, and they will be converted:

{* ../../docs_src/query_params/tutorial003_py310.py hl[7] *}

In this case, if you go to:

```
http://127.0.0.1:8000/items/foo?short=1
```

or

```

		Expressions: []clause.Expression{
			clause.Eq{Column: column, Value: nil},
			clause.Eq{Column: column, Value: (*string)(nil)},
			clause.Eq{Column: column, Value: (*int)(nil)},
			clause.Eq{Column: column, Value: (*bool)(nil)},
			clause.Eq{Column: column, Value: (interface{})(nil)},
			clause.Eq{Column: column, Value: sql.NullString{String: "", Valid: false}},
		},
		Result: "`column-name` IS NULL",
	}, {

    }

    public void bool(BoolCall<ThumbnailQueueCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<ThumbnailQueueCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {
        ThumbnailQueueCQ mustQuery = new ThumbnailQueueCQ();
        ThumbnailQueueCQ shouldQuery = new ThumbnailQueueCQ();
        ThumbnailQueueCQ mustNotQuery = new ThumbnailQueueCQ();

	return b2
}

// A fileListEntry is a File and its ename.
// If file == nil, the fileListEntry describes a directory without metadata.
type fileListEntry struct {
	name  string
	file  *File
	isDir bool
	isDup bool
}

type fileInfoDirEntry interface {
	fs.FileInfo
	fs.DirEntry
}

func (f *fileListEntry) stat() (fileInfoDirEntry, error) {
	if f.isDup {

👉 💼, 🔢 🔢 `q` 🔜 📦, & 🔜 `None` 🔢.

/// check

👀 👈 **FastAPI** 🙃 🥃 👀 👈 ➡ 🔢 `item_id` ➡ 🔢 & `q` 🚫,, ⚫️ 🔢 🔢.

///

## 🔢 🔢 🆎 🛠️

👆 💪 📣 `bool` 🆎, & 👫 🔜 🗜:

{* ../../docs_src/query_params/tutorial003.py hl[9] *}

👉 💼, 🚥 👆 🚶:

```
http://127.0.0.1:8000/items/foo?short=1
```

⚖️

```

	input := filepath.Join("testdata", file+".s")
	architecture, ctxt := setArch(goarch)
	architecture.Init(ctxt)
	lexer := lex.NewLexer(input)
	parser := NewParser(ctxt, architecture, lexer)
	pList := new(obj.Plist)
	var ok bool
	testOut = new(strings.Builder) // The assembler writes test output to this buffer.
	ctxt.Bso = bufio.NewWriter(os.Stdout)
	ctxt.IsAsm = true
	defer ctxt.Bso.Flush()
	failed := false

# ➕ 💽 🆎

🆙 🔜, 👆 ✔️ ⚙️ ⚠ 📊 🆎, 💖:

* `int`
* `float`
* `str`
* `bool`

✋️ 👆 💪 ⚙️ 🌅 🏗 📊 🆎.

& 👆 🔜 ✔️ 🎏 ⚒ 👀 🆙 🔜:

* 👑 👨‍🎨 🐕‍🦺.
* 💽 🛠️ ⚪️➡️ 📨 📨.
* 💽 🛠️ 📨 💽.
* 💽 🔬.
* 🏧 ✍ & 🧾.

## 🎏 💽 🆎

📥 🌖 📊 🆎 👆 💪 ⚙️:

* `UUID`:
    * 🐩 "⭐ 😍 🆔", ⚠ 🆔 📚 💽 & ⚙️.
    * 📨 & 📨 🔜 🎨 `str`.
* `datetime.datetime`:
    * 🐍 `datetime.datetime`.

	sizes := []int{1, 6, 9, 15, 16, 20, 32, 4 << 10, 4 << 20, 64 << 20}

	b.Run("same", func(b *testing.B) {
		benchBytes(b, sizes, bmEqual(func(a, b []byte) bool { return Equal(a, a) }))
	})

	benchBytes(b, sizes, bmEqual(Equal))
}

func bmEqual(equal func([]byte, []byte) bool) func(b *testing.B, n int) {
	return func(b *testing.B, n int) {
		if len(bmbuf) < 2*n {
			bmbuf = make([]byte, 2*n)
		}
		buf1 := bmbuf[0:n]