// SqlDataRecord public API
/// <include file='../../../../../../../../doc/snippets/Microsoft.Data.SqlClient.Server/SqlDataRecord.xml' path='docs/members[@name="SqlDataRecord"]/ctor/*' />
public SqlDataRecord(params SqlMetaData[] metaData)
{
// Initial consistency check
if (null == metaData)
{
throw ADP.ArgumentNull(nameof(metaData));
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
if (null == metaData[i])
{
throw ADP.ArgumentNull($"{nameof(metaData)}[{i}]");
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(_columnMetaData[i]);
}
_eventSink = new SmiEventSink_Default();
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
_eventSink.ProcessMessagesAndThrow();
}
internal SqlDataRecord(SmiRecordBuffer recordBuffer, params SmiExtendedMetaData[] metaData)
{
Debug.Assert(null != recordBuffer, "invalid attempt to instantiate SqlDataRecord with null SmiRecordBuffer");
Debug.Assert(null != metaData, "invalid attempt to instantiate SqlDataRecord with null SmiExtendedMetaData[]");
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
_columnSmiMetaData[i] = metaData[i];
_columnMetaData[i] = MetaDataUtilsSmi.SmiExtendedMetaDataToSqlMetaData(_columnSmiMetaData[i]);
}
_eventSink = new SmiEventSink_Default();
if (InOutOfProcHelper.InProc)
{
_recordContext = SmiContextFactory.Instance.GetCurrentContext();
}
else
{
_recordContext = null;
}
_recordBuffer = recordBuffer;
_eventSink.ProcessMessagesAndThrow();
}
// 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);
}
// SqlDataRecord public API
/// <include file='../../../../../../../doc/snippets/Microsoft.Data.SqlClient.Server/SqlDataRecord.xml' path='docs/members[@name="SqlDataRecord"]/ctor/*' />
public SqlDataRecord(params SqlMetaData[] metaData)
{
// Initial consistency check
if (metaData == null)
{
throw ADP.ArgumentNull(nameof(metaData));
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
#if NETFRAMEWORK
ulong smiVersion = SmiVersion;
#endif
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
if (metaData[i] == null)
{
throw ADP.ArgumentNull($"{nameof(metaData)}[{i}]");
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(_columnMetaData[i]);
#if NETFRAMEWORK
if (!MetaDataUtilsSmi.IsValidForSmiVersion(_columnSmiMetaData[i], smiVersion))
{
throw ADP.VersionDoesNotSupportDataType(_columnSmiMetaData[i].TypeName);
}
#endif
}
_eventSink = new SmiEventSink_Default();
#if NETFRAMEWORK
if (InOutOfProcHelper.InProc)
{
_recordContext = SmiContextFactory.Instance.GetCurrentContext();
_recordBuffer = _recordContext.CreateRecordBuffer(_columnSmiMetaData, _eventSink);
_usesStringStorageForXml = false;
}
else
{
_recordContext = null;
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
}
#else
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_eventSink.ProcessMessagesAndThrow();
#endif
}
internal SqlDataRecord(SmiRecordBuffer recordBuffer, params SmiExtendedMetaData[] metaData)
{
Debug.Assert(recordBuffer != null, "invalid attempt to instantiate SqlDataRecord with null SmiRecordBuffer");
Debug.Assert(metaData != null, "invalid attempt to instantiate SqlDataRecord with null SmiExtendedMetaData[]");
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
_columnSmiMetaData[i] = metaData[i];
_columnMetaData[i] = MetaDataUtilsSmi.SmiExtendedMetaDataToSqlMetaData(_columnSmiMetaData[i]);
}
_eventSink = new SmiEventSink_Default();
_recordBuffer = recordBuffer;
_eventSink.ProcessMessagesAndThrow();
}
internal SmiContext GetCurrentContext()
{
if (null == _smiLink)
{
throw SQL.ContextUnavailableOutOfProc(); // Must not be a valid version of Sql Server, or not be SqlCLR
}
object result = _smiLink.GetCurrentContext(_eventSinkForGetCurrentContext);
_eventSinkForGetCurrentContext.ProcessMessagesAndThrow();
if (null == result)
{
throw SQL.ContextUnavailableWhileInProc();
}
Debug.Assert(typeof(SmiContext).IsInstanceOfType(result), "didn't get SmiContext from GetCurrentContext?");
return((SmiContext)result);
}
public override void Flush()
{
_stream.Flush(_sink);
_sink.ProcessMessagesAndThrow();
}
// UDTs and null variants come back via return value, all else is via targetBuffer.
// implements SqlClient 2.0-compatible output parameter semantics
internal static object GetOutputParameterV3Smi(
SmiEventSink_Default sink, // event sink for errors
ITypedGettersV3 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)
{
case SqlDbType.BigInt:
targetBuffer.Int64 = GetInt64_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Binary:
case SqlDbType.Image:
case SqlDbType.Timestamp:
case SqlDbType.VarBinary:
targetBuffer.SqlBinary = GetSqlBinary_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Bit:
targetBuffer.Boolean = GetBoolean_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.NChar:
case SqlDbType.NText:
case SqlDbType.NVarChar:
case SqlDbType.Char:
case SqlDbType.VarChar:
case SqlDbType.Text:
targetBuffer.SetToString(GetString_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.DateTime:
case SqlDbType.SmallDateTime:
{
SqlDateTime dt = new(GetDateTime_Unchecked(sink, getters, ordinal));
targetBuffer.SetToDateTime(dt.DayTicks, dt.TimeTicks);
break;
}
case SqlDbType.Decimal:
{
SqlDecimal dec = GetSqlDecimal_Unchecked(sink, getters, ordinal);
targetBuffer.SetToDecimal(dec.Precision, dec.Scale, dec.IsPositive, dec.Data);
break;
}
case SqlDbType.Float:
targetBuffer.Double = GetDouble_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Int:
targetBuffer.Int32 = GetInt32_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Money:
case SqlDbType.SmallMoney:
targetBuffer.SetToMoney(GetInt64_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.Real:
targetBuffer.Single = GetSingle_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.UniqueIdentifier:
targetBuffer.SqlGuid = new SqlGuid(GetGuid_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.SmallInt:
targetBuffer.Int16 = GetInt16_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.TinyInt:
targetBuffer.Byte = GetByte_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Variant:
// 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!");
GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
case SqlDbType.Udt:
result = GetUdt_LengthChecked(sink, getters, ordinal, metaData);
break;
case SqlDbType.Xml:
targetBuffer.SqlXml = GetSqlXml_Unchecked(sink, getters, ordinal, null);
break;
default:
Debug.Assert(false, "Unexpected SqlDbType");
break;
}
}
return(result);
}
