Extension method to truncate a postgres table from an ef context

TruncateTableAsync.cs

        public static async Task TruncateTable<T>(this CersPg context) where T : class
        {
            var tableAttr = (TableAttribute)Attribute.GetCustomAttribute(typeof(T), typeof(TableAttribute));
            var sql = $"TRUNCATE {tableAttr.Name} RESTART IDENTITY CASCADE";
            await context.Database.ExecuteSqlRawAsync(sql);
        }