}
	return reflect.StructTag(fmt.Sprintf(`gorm:"%s;%s"`, value, t))
}

// GetRelationsValues get relations's values from a reflect value
func GetRelationsValues(ctx context.Context, reflectValue reflect.Value, rels []*Relationship) (reflectResults reflect.Value) {
	for _, rel := range rels {
		reflectResults = reflect.MakeSlice(reflect.SliceOf(reflect.PtrTo(rel.FieldSchema.ModelType)), 0, 1)

		appendToResults := func(value reflect.Value) {

package callbacks

import (
	"reflect"

	"gorm.io/gorm"
)

func callMethod(db *gorm.DB, fc func(value interface{}, tx *gorm.DB) bool) {
	tx := db.Session(&gorm.Session{NewDB: true})
	if called := fc(db.Statement.ReflectValue.Interface(), tx); !called {
		switch db.Statement.ReflectValue.Kind() {
		case reflect.Slice, reflect.Array:
			db.Statement.CurDestIndex = 0
			for i := 0; i < db.Statement.ReflectValue.Len(); i++ {

	}

	for _, str := range []string{"BeforeSave", "AfterCreate"} {
		if !reflect.Indirect(reflect.ValueOf(user)).FieldByName(str).Interface().(bool) {
			t.Errorf("%v should be true", str)
		}
	}

	for _, str := range []string{"BeforeCreate", "BeforeUpdate", "AfterUpdate", "AfterSave", "BeforeDelete", "AfterDelete", "AfterFind"} {
		if reflect.Indirect(reflect.ValueOf(user)).FieldByName(str).Interface().(bool) {

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 {

	return db.PreparedStmtDB.GetDBConn()
}

func (tx *PreparedStmtTX) Commit() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Commit()
	}
	return ErrInvalidTransaction
}

func (tx *PreparedStmtTX) Rollback() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Rollback()
	}
	return ErrInvalidTransaction
}

		return strings.Compare(results[i].Name, results[j].Name) <= -1
	})

	if !reflect.DeepEqual(results, []Result{{Name: "ScanRowsUser2", Age: 10}, {Name: "ScanRowsUser3", Age: 20}}) {
		t.Errorf("Should find expected results")
	}

	var ages int
	if err := DB.Table("users").Where("name = ? or name = ?", user2.Name, user3.Name).Select("SUM(age)").Scan(&ages).Error; err != nil || ages != 30 {

var convertibleTypes = []reflect.Type{reflect.TypeOf(time.Time{}), reflect.TypeOf(false), reflect.TypeOf([]byte{})}

// RegEx matches only numeric values
var numericPlaceholderRe = regexp.MustCompile(`\$\d+\$`)

func isNumeric(k reflect.Kind) bool {
	switch k {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		return true
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:

				isPtr := fieldType.Kind() == reflect.Ptr
				if !isPtr {
					fieldType = reflect.PtrTo(fieldType)
				}
				elems := reflect.MakeSlice(reflect.SliceOf(fieldType), 0, 10)
				distinctElems := reflect.MakeSlice(reflect.SliceOf(fieldType), 0, 10)
				joins := reflect.MakeSlice(reflect.SliceOf(reflect.PtrTo(rel.JoinTable.ModelType)), 0, 10)
				objs := []reflect.Value{}

		case map[string]interface{}:
			for k, v := range value {
				namedMap[k] = v
			}
		default:
			var appendFieldsToMap func(reflect.Value)
			appendFieldsToMap = func(reflectValue reflect.Value) {
				reflectValue = reflect.Indirect(reflectValue)
				switch reflectValue.Kind() {
				case reflect.Struct:
					modelType := reflectValue.Type()
					for i := 0; i < modelType.NumField(); i++ {

			}

			writer.WriteString(subdb.Statement.SQL.String())
			stmt.Vars = subdb.Statement.Vars
		default:
			switch rv := reflect.ValueOf(v); rv.Kind() {
			case reflect.Slice, reflect.Array:
				if rv.Len() == 0 {
					writer.WriteString("(NULL)")
				} else if rv.Type().Elem() == reflect.TypeOf(uint8(0)) {
					stmt.Vars = append(stmt.Vars, v)
					stmt.DB.Dialector.BindVarTo(writer, stmt, v)
				} else {