for _, v := range []byte(sql) {
			if v == '?' {
				if len(vars) > idx {
					newSQL.WriteString(vars[idx])
					idx++
					continue
				}
			}
			newSQL.WriteByte(v)
		}

		sql = newSQL.String()
	} else {
		sql = numericPlaceholder.ReplaceAllString(sql, "$$$1$$")

		sql = numericPlaceholderRe.ReplaceAllStringFunc(sql, func(v string) string {
			num := v[1 : len(v)-1]

		es                 = ExampleStruct{Name: "test", Val: "test"}
		intVal   intType   = 1
		floatVal floatType = 1.23
	)

	results := []struct {
		SQL           string
		NumericRegexp *regexp.Regexp
		Vars          []interface{}
		Result        string
	}{
		{
			SQL:           "create table users (name, age, height, actived, bytes, create_at, update_at, deleted_at, email, role, pass) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",

		return gorm.ErrSubQueryRequired
	}

	sql := new(strings.Builder)
	sql.WriteString("CREATE ")
	if option.Replace {
		sql.WriteString("OR REPLACE ")
	}
	sql.WriteString("VIEW ")
	m.QuoteTo(sql, name)
	sql.WriteString(" AS ")

	m.DB.Statement.AddVar(sql, option.Query)

	if option.CheckOption != "" {
		sql.WriteString(" ")
		sql.WriteString(option.CheckOption)
	}

		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

	r = dryDB.Table("user as u").Select("name").Find(&User{}).Statement
	if !regexp.MustCompile("SELECT .name. FROM user as u WHERE .u.\\..deleted_at. IS NULL").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

	tx = db.getInstance()
	tx.Statement.Unscoped = true
	return
}

func (db *DB) Raw(sql string, values ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.SQL = strings.Builder{}

	if strings.Contains(sql, "@") {
		clause.NamedExpr{SQL: sql, Vars: values}.Build(tx.Statement)
	} else {
		clause.Expr{SQL: sql, Vars: values}.Build(tx.Statement)
	}
	return

		}
	case *int, *int8, *int16, *int32, *int64,
		*uint, *uint8, *uint16, *uint32, *uint64, *uintptr,
		*float32, *float64,
		*bool, *string, *time.Time,
		*sql.NullInt32, *sql.NullInt64, *sql.NullFloat64,
		*sql.NullBool, *sql.NullString, *sql.NullTime:
		for initialized || rows.Next() {
			initialized = false
			db.RowsAffected++
			db.AddError(rows.Scan(dest))
		}
	default:
		var (

	ErrExpressionTooLong: {
		Code:           "ExpressionTooLong",
		Description:    "The SQL expression is too long: The maximum byte-length for the SQL expression is 256 KB.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrIllegalSQLFunctionArgument: {
		Code:           "IllegalSqlFunctionArgument",
		Description:    "Illegal argument was used in the SQL function.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidKeyPath: {

	}

	for _, f := range p.fns {
		f(db)
	}

	if stmt.SQL.Len() > 0 {
		db.Logger.Trace(stmt.Context, curTime, func() (string, int64) {
			sql, vars := stmt.SQL.String(), stmt.Vars
			if filter, ok := db.Logger.(ParamsFilter); ok {
				sql, vars = filter.ParamsFilter(stmt.Context, stmt.SQL.String(), stmt.Vars...)
			}
			return db.Dialector.Explain(sql, vars...), db.RowsAffected
		}, db.Error)
	}

	Constraint string // length(phone) >= 10
	*Field
}

func (chk *CheckConstraint) GetName() string { return chk.Name }

func (chk *CheckConstraint) Build() (sql string, vars []interface{}) {
	return "CONSTRAINT ? CHECK (?)", []interface{}{clause.Column{Name: chk.Name}, clause.Expr{SQL: chk.Constraint}}
}

// ParseCheckConstraints parse schema check constraints
func (schema *Schema) ParseCheckConstraints() map[string]CheckConstraint {

package schema

import (
	"bytes"
	"context"
	"database/sql"
	"database/sql/driver"
	"encoding/gob"
	"encoding/json"
	"fmt"
	"reflect"
	"strings"
	"sync"
	"time"
)

var serializerMap = sync.Map{}

// RegisterSerializer register serializer
func RegisterSerializer(name string, serializer SerializerInterface) {
	serializerMap.Store(strings.ToLower(name), serializer)
}

// GetSerializer get serializer