假設以下定義:如何在CLR UDF中返回nvarchar(max)?
/// <summary>
/// Replaces each occurrence of sPattern in sInput with sReplace. This is done
/// with the CLR:
/// new RegEx(sPattern, RegexOptions.Multiline).Replace(sInput, sReplace).
/// The result of the replacement is the return value.
/// </summary>
[SqlFunction(IsDeterministic = true)]
public static SqlString FRegexReplace(string sInput, string sPattern,
string sReplace)
{
return new Regex(sPattern, RegexOptions.Multiline).Replace(sInput, sReplace);
}
在nvarchar(max)
值傳遞用於sInput
具有長度> 4000將導致被截斷的值(即,在調用此UDF的結果是nvarchar(4000)
而非nvarchar(max)
您是明星,先生:) – 2010-12-14 09:16:58