internal override void ParameterAvailable(SmiParameterMetaData metaData, SmiTypedGetterSetter paramValue, int ordinal)
{
if (null == _parent)
{
throw SQL.UnexpectedSmiEvent(UnexpectedEventType.ParameterAvailable);
}
_parent.ParameterAvailable(metaData, paramValue, ordinal);
}
// UDTs and null variants come back via return value, all else is via targetBuffer.
// implements SqlClient 1.1-compatible output parameter semantics
internal static object GetOutputParameterV200Smi(
SmiEventSink_Default sink, // event sink for errors
SmiTypedGetterSetter getters, // getters interface to grab value from
int ordinal, // parameter within getters
SmiMetaData metaData, // Getter's type for this ordinal
SmiContext context, // used to obtain scratch streams
SqlBuffer targetBuffer // destination
)
{
object result = null; // Workaround for UDT hack in non-Smi code paths.
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
}
else
{
switch (metaData.SqlDbType)
{
// new types go here
case SqlDbType.Variant: // Handle variants specifically for v200, since they could contain v200 types
// For variants, recur using the current value's sqldbtype
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
Debug.Assert(SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant not supposed to be possible!");
GetOutputParameterV200Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
case SqlDbType.Date:
targetBuffer.SetToDate(GetDateTime_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.DateTime2:
targetBuffer.SetToDateTime2(GetDateTime_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
case SqlDbType.Time:
targetBuffer.SetToTime(GetTimeSpan_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
case SqlDbType.DateTimeOffset:
targetBuffer.SetToDateTimeOffset(GetDateTimeOffset_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
default:
result = GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
}
}
return(result);
}