sql, _ := fc()
			modifySql = append(modifySql, sql)
		},
	}
	session2 := DB.Session(&gorm.Session{Logger: tracer2})
	err := session2.Table("migrate_decimal_columns").Migrator().AutoMigrate(model2)
	if err != nil {
		t.Fatalf("failed to get column types, got error: %v", err)
	}
	return modifySql
}