/// <summary>
/// 写入语句片段公共方法。
/// </summary>
/// <param name="writer">语句写入器。</param>
/// <param name="fragment">当前语句。</param>
public void WriteFragment(SqlWriter writer, ISqlFragment fragment)
{
if (!_WriteFragmentMethods.TryGetValue(fragment.GetType(), out WriteFragmentDelegate method))
{
throw new NotSupportedException(string.Format(Res.NotSupportedWriteFragment, fragment.GetType()));
}
method(writer, fragment);
}