type NamedUser struct {
		gorm.Model
		Name1 string
		Name2 string
		Name3 string
	}

	DB.Migrator().DropTable(&NamedUser{})
	DB.AutoMigrate(&NamedUser{})

	namedUser := NamedUser{Name1: "jinzhu1", Name2: "jinzhu2", Name3: "jinzhu3"}
	DB.Create(&namedUser)

	var result NamedUser
	DB.First(&result, "name1 = @name OR name2 = @name OR name3 = @name", sql.Named("name", "jinzhu2"))

package gorm

import (
	"context"
	"database/sql"

	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"
)

// Dialector GORM database dialector
type Dialector interface {
	Name() string
	Initialize(*DB) error
	Migrator(db *DB) Migrator
	DataTypeOf(*schema.Field) string
	DefaultValueOf(*schema.Field) clause.Expression
	BindVarTo(writer clause.Writer, stmt *Statement, v interface{})
	QuoteTo(clause.Writer, string)

)

func TestExceptionsWithInvalidSql(t *testing.T) {
	if name := DB.Dialector.Name(); name == "sqlserver" {
		t.Skip("skip sqlserver due to it will raise data race for invalid sql")
	}

	var columns []string
	if DB.Where("sdsd.zaaa = ?", "sd;;;aa").Pluck("aaa", &columns).Error == nil {
		t.Errorf("Should got error with invalid SQL")
	}

	if DB.Model(&User{}).Where("sdsd.zaaa = ?", "sd;;;aa").Pluck("aaa", &columns).Error == nil {

					dest := db.Statement.Dest
					db.Statement.Dest = db.Statement.ReflectValue.Addr().Interface()
					gorm.Scan(rows, db, mode)
					db.Statement.Dest = dest
					db.AddError(rows.Close())

					if db.Statement.Result != nil {
						db.Statement.Result.RowsAffected = db.RowsAffected
					}
				}

						}

						if saveAssociations(db, rel, rv, selectColumns, restricted, nil) == nil {
							setupReferences(db.Statement.ReflectValue, rv)
						}
					}
				}
			}
		}
	}
}

func SaveAfterAssociations(create bool) func(db *gorm.DB) {
	return func(db *gorm.DB) {
		if db.Error == nil && db.Statement.Schema != nil {
			selectColumns, restricted := db.Statement.SelectAndOmitColumns(create, !create)

			v, ok := db.Statement.ColumnMapping[column]
			if ok {
				columns[i] = v
			}
		}
	}

	db.RowsAffected = 0

	switch dest := db.Statement.Dest.(type) {
	case map[string]interface{}, *map[string]interface{}:
		if initialized || rows.Next() {
			columnTypes, _ := rows.ColumnTypes()
			prepareValues(values, db, columnTypes, columns)

			db.RowsAffected++
			db.AddError(rows.Scan(values...))

	parent := Parent{}
	DB.Create(&parent)

	child := Child{ParentID: &parent.ID, Parent: &parent}
	DB.Create(&child)

	parent.FavChildID = child.ID
	parent.FavChild = &child
	DB.Save(&parent)

	var parent1 Parent
	DB.First(&parent1, parent.ID)
	AssertObjEqual(t, parent, parent1, "ID", "FavChildID")

	// Save and Updates is the same
	DB.Updates(&parent)
	DB.First(&parent1, parent.ID)

	"sort"
	"time"

	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
)

func initializeCallbacks(db *DB) *callbacks {
	return &callbacks{
		processors: map[string]*processor{
			"create": {db: db},
			"query":  {db: db},
			"update": {db: db},
			"delete": {db: db},
			"row":    {db: db},
			"raw":    {db: db},
		},
	}
}

// callbacks gorm callbacks manager
type callbacks struct {

			}
		}
	}

	results, err = db.Preload("Pets", func(db gorm.PreloadBuilder) error {
		db.Order("name").LimitPerRecord(5)
		return nil
	}).Preload("Friends", func(db gorm.PreloadBuilder) error {
		db.Order("name")
		return nil
	}).Where("name in ?", names).Find(ctx)

	for _, result := range results {

	if err := tx.Find(&result3, user2.ID).Error; err != nil {
		t.Fatalf("no error should happen but got %v", err)
	}
}

func TestPreparedStmtFromTransaction(t *testing.T) {
	db := DB.Session(&gorm.Session{PrepareStmt: true, SkipDefaultTransaction: true})

	tx := db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()
	if err := tx.Error; err != nil {