if err := preloadEntryPoint(tx, nestedJoins, &tx.Statement.Schema.Relationships, preloadMap[name], associationsConds); err != nil {
							return err
						}
					}
				case reflect.Struct, reflect.Pointer:
					reflectValue := rel.Field.ReflectValueOf(db.Statement.Context, rv)
					tx := preloadDB(db, reflectValue, reflectValue.Interface())

				after := cs[idx]

				if after.before == "" {
					after.before = c.name
				}

				if err := sortCallback(after); err != nil {
					return err
				}

				if err := sortCallback(c); err != nil {
					return err
				}
			}
		}

		// if current callback haven't been sorted, append it to last
		if getRIndex(sorted, c.name) == -1 {

	indexes := map[string]Index{}

	for _, field := range schema.Fields {
		if field.TagSettings["INDEX"] != "" || field.TagSettings["UNIQUEINDEX"] != "" {
			fieldIndexes, err := parseFieldIndexes(field)
			if err != nil {
				schema.err = err
				break
			}
			for _, index := range fieldIndexes {
				idx := indexes[index.Name]
				idx.Name = index.Name
				if idx.Class == "" {
					idx.Class = index.Class
				}

			}

			if e, ok := v.(error); !ok || e != nil {
				err = e
			}
		}

		if len(data.err) > 0 && err == nil {
			t.Errorf("callbacks tests #%v should got error %v, but not", idx+1, data.err)
		} else if len(data.err) == 0 && err != nil {
			t.Errorf("callbacks tests #%v should not got error, but got %v", idx+1, err)
		}

		if ok, msg := assertCallbacks(callbacks.Create(), data.results); !ok {

package callbacks

import (
	"gorm.io/gorm"
)

func RawExec(db *gorm.DB) {
	if db.Error == nil && !db.DryRun {
		result, err := db.Statement.ConnPool.ExecContext(db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...)
		if err != nil {
			db.AddError(err)
			return
		}

		db.RowsAffected, _ = result.RowsAffected()
	}

type CompIdxLevel2B struct {
	Data2B string `gorm:"index:,unique,composite:comp_id2,priority:3"`
}

func TestParseIndex(t *testing.T) {
	user, err := schema.Parse(&UserIndex{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user index, got error %v", err)
	}

	results := map[string]schema.Index{
		"idx_user_indices_name": {
			Name:   "idx_user_indices_name",

				if rows, err := db.Statement.ConnPool.QueryContext(db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...); db.AddError(err) == 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())
				}
			} else {

				}
				db.scanIntoStruct(rows, reflectValue, values, fields, joinFields)
			}
		default:
			db.AddError(rows.Scan(dest))
		}
	}

	if err := rows.Err(); err != nil && err != db.Error {
		db.AddError(err)
	}

	if db.RowsAffected == 0 && db.Statement.RaiseErrorOnNotFound && db.Error == nil {
		db.AddError(ErrRecordNotFound)
	}

import (
	"testing"

	"gorm.io/driver/mysql"

	"gorm.io/gorm"
)

func TestOpen(t *testing.T) {
	dsn := "gorm:gorm@tcp(localhost:9910)/gorm?loc=Asia%2FHongKong" // invalid loc
	_, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
	if err == nil {
		t.Fatalf("should returns error but got nil")
	}
}

func TestReturningWithNullToZeroValues(t *testing.T) {
	dialect := DB.Dialector.Name()
	switch dialect {