protected internal virtual void SaveCommandObject(out ArrayList sysParameters, out int sysParameterCount, out string sysCommandText)
{
System.Data.IDbCommand underlyingCommand = this.UnderlyingCommand;
sysParameterCount = ((underlyingCommand.Parameters != null) ? underlyingCommand.Parameters.Count : 0);
sysCommandText = string.Copy(underlyingCommand.CommandText);
if (sysParameterCount == 0)
{
sysParameters = null;
}
else
{
sysParameters = new ArrayList(sysParameterCount);
ParameterCollectionWrapper.Enumerator enumerator = this.m_parameterCollection.GetEnumerator();
while (enumerator.MoveNext())
{
ParameterWrapper current = enumerator.Current;
sysParameters.Add(current);
}
}
}
protected internal virtual bool RewriteMultiValueParameters(int sysParameterCount, ServerType serverType)
{
if (0 >= sysParameterCount)
{
return(false);
}
bool result = false;
System.Data.IDbCommand underlyingCommand = this.UnderlyingCommand;
StringBuilder stringBuilder = null;
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture | RegexOptions.Compiled | RegexOptions.Singleline;
string str = Regex.Escape("-+()#,:&*/\\^<=>");
string text = "([" + str + "\\s])";
bool flag = System.Data.CommandType.StoredProcedure == underlyingCommand.CommandType;
if (!flag)
{
stringBuilder = new StringBuilder(underlyingCommand.CommandText);
}
int num = 0;
ParameterCollectionWrapper.Enumerator enumerator = this.m_parameterCollection.GetEnumerator();
while (enumerator.MoveNext())
{
ParameterWrapper current = enumerator.Current;
ParameterMultiValueWrapper parameterMultiValueWrapper = current as ParameterMultiValueWrapper;
if (parameterMultiValueWrapper != null && parameterMultiValueWrapper.Values != null)
{
result = true;
string value = CommandWrapper.GenerateStringFromMultiValue(parameterMultiValueWrapper, flag, serverType);
if (flag)
{
current.Value = value;
}
else
{
string str2 = "(?<ParameterName>" + Regex.Escape(parameterMultiValueWrapper.ParameterName) + ")";
Regex regex = new Regex(text + str2 + text, options);
MatchCollection matchCollection = regex.Matches(stringBuilder.ToString());
if (matchCollection.Count > 0)
{
if (StringComparer.InvariantCultureIgnoreCase.Compare(parameterMultiValueWrapper.ParameterName, "?") == 0)
{
if (num < matchCollection.Count)
{
string text2 = matchCollection[num].Result("${ParameterName}");
if (text2 != null && 1 == text2.Length)
{
stringBuilder.Remove(matchCollection[num].Index + 1, text2.Length);
stringBuilder.Insert(matchCollection[num].Index + 1, value);
}
}
}
else
{
for (int num2 = matchCollection.Count - 1; num2 >= 0; num2--)
{
string text3 = matchCollection[num2].Result("${ParameterName}");
if (text3 != null && 1 < text3.Length)
{
RSTrace.DataExtensionTracer.Assert(text3.Length == parameterMultiValueWrapper.ParameterName.Length);
stringBuilder.Remove(matchCollection[num2].Index + 1, text3.Length);
stringBuilder.Insert(matchCollection[num2].Index + 1, value);
}
}
}
}
if (RSTrace.DataExtensionTracer.TraceVerbose)
{
RSTrace.DataExtensionTracer.Trace(TraceLevel.Verbose, "Query rewrite (removed parameter): " + parameterMultiValueWrapper.ParameterName.MarkAsModelInfo());
}
underlyingCommand.Parameters.Remove(parameterMultiValueWrapper.UnderlyingParameter);
}
}
else if (parameterMultiValueWrapper != null && parameterMultiValueWrapper.Values == null && StringComparer.InvariantCultureIgnoreCase.Compare(parameterMultiValueWrapper.ParameterName, "?") == 0)
{
num++;
}
}
if (!flag)
{
if (RSTrace.DataExtensionTracer.TraceVerbose)
{
RSTrace.DataExtensionTracer.Trace(TraceLevel.Verbose, "Query rewrite (original query): " + underlyingCommand.CommandText.MarkAsPrivate());
RSTrace.DataExtensionTracer.Trace(TraceLevel.Verbose, "Query rewrite (rewritten query): " + stringBuilder.ToString().MarkAsPrivate());
}
underlyingCommand.CommandText = stringBuilder.ToString();
}
return(result);
}