// string is returned, then the driver type name is not supported.
// Consult your driver documentation for a list of driver data types. Length specifiers
// are not included.
// Common type names include "VARCHAR", "TEXT", "NVARCHAR", "DECIMAL", "BOOL",
// "INT", and "BIGINT".
func (ct ColumnType) DatabaseTypeName() string {
	if ct.DataTypeValue.Valid {
		return ct.DataTypeValue.String
	}
	return ct.SQLColumnType.DatabaseTypeName()
}

package tests_test

import (
	"database/sql"
	"encoding/json"
	"reflect"
	"sort"
	"sync/atomic"
	"testing"

	"gorm.io/gorm"
)

func toJSONString(v interface{}) []byte {
	r, _ := json.Marshal(v)
	return r
}

func TestNestedPreload1(t *testing.T) {
	type (
		Level1 struct {
			ID       uint
			Value    string
			Level2ID uint
		}
		Level2 struct {
			ID       uint
			Level1   Level1

	CheckIndices(t, map[string]schema.Index{
		"idx_index_tests_field_a": {
			Name:   "idx_index_tests_field_a",
			Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldA", Unique: true}}},
		},
		"idx_index_tests_field_c": {
			Name:   "idx_index_tests_field_c",
			Class:  "UNIQUE",
			Fields: []schema.IndexOption{{Field: &schema.Field{Name: "FieldC", UniqueIndex: "idx_index_tests_field_c"}}},
		},
		"idx_index_tests_field_d": {

package tests_test

import (
	"testing"

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

func TestUpdateMany2ManyAssociations(t *testing.T) {
	user := *GetUser("update-many2many", Config{})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {

package tests_test

import (
	"context"
	"database/sql"
	"database/sql/driver"
	"encoding/json"
	"errors"
	"fmt"
	"reflect"
	"regexp"
	"strconv"
	"testing"
	"time"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	. "gorm.io/gorm/utils/tests"
)

func TestScannerValuer(t *testing.T) {
	DB.Migrator().DropTable(&ScannerValuerStruct{})
	if err := DB.Migrator().AutoMigrate(&ScannerValuerStruct{}); err != nil {

package tests_test

import (
	"testing"

	. "gorm.io/gorm/utils/tests"
)

func TestHasOneAssociation(t *testing.T) {
	user := *GetUser("hasone", Config{Account: true})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	CheckUser(t, user, user)

	// Find
	var user2 User
	DB.Find(&user2, "id = ?", user.ID)
	DB.Model(&user2).Association("Account").Find(&user2.Account)

package tests_test

import (
	"os"
	"sort"
	"strconv"
	"strings"
	"testing"
	"time"

	"gorm.io/gorm"

	. "gorm.io/gorm/utils/tests"
)

type Config struct {
	Account   bool
	Pets      int
	Toys      int
	Company   bool
	Manager   bool
	Team      int
	Languages int
	Friends   int
	NamedPet  bool
	Tools     int
}

func GetUser(name string, config Config) *User {
	var (

package tests_test

import (
	"reflect"
	"sort"
	"strings"
	"testing"

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

type PersonAddressInfo struct {
	Person  *Person  `gorm:"embedded"`
	Address *Address `gorm:"embedded"`
}

func TestScan(t *testing.T) {
	user1 := User{Name: "ScanUser1", Age: 1}
	user2 := User{Name: "ScanUser2", Age: 10}
	user3 := User{Name: "ScanUser3", Age: 20}

package tests_test

import (
	"context"
	"errors"
	"testing"

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

func TestTransaction(t *testing.T) {
	tx := DB.Begin()
	user := *GetUser("transaction", Config{})

	if err := tx.Save(&user).Error; err != nil {
		t.Fatalf("No error should raise, but got %v", err)
	}

	if err := tx.First(&User{}, "name = ?", "transaction").Error; err != nil {

package tests_test

import (
	"errors"
	"regexp"
	"sort"
	"strings"
	"testing"
	"time"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/utils"
	. "gorm.io/gorm/utils/tests"
)

func TestUpdate(t *testing.T) {
	var (
		users = []*User{
			GetUser("update-1", Config{}),
			GetUser("update-2", Config{}),
			GetUser("update-3", Config{}),
		}
		user          = users[1]
		lastUpdatedAt time.Time
	)