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();
}
internal SqlInternalConnectionSmi(SqlConnectionString connectionOptions, SmiContext smiContext) : base(connectionOptions)
{
this._smiContext = smiContext;
this._smiContext.OutOfScope += new EventHandler(this.OnOutOfScope);
this._smiConnection = this._smiContext.ContextConnection;
this._smiEventSink = new EventSink(this);
if (Bid.AdvancedOn)
{
Bid.Trace("<sc.SqlInternalConnectionSmi.ctor|ADV> %d#, constructed new SMI internal connection\n", base.ObjectID);
}
}
//
// SqlDataRecord public API
//
public SqlDataRecord(params SqlMetaData[] metaData)
{
// Initial consistency check
if (null == metaData)
{
throw ADP.ArgumentNull("metadata");
}
_columnMetaData = new SqlMetaData[metaData.Length];
_columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
ulong smiVersion = SmiVersion;
for (int i = 0; i < _columnSmiMetaData.Length; i++)
{
if (null == metaData[i])
{
throw ADP.ArgumentNull("metadata[" + i + "]");
}
_columnMetaData[i] = metaData[i];
_columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(_columnMetaData[i]);
if (!MetaDataUtilsSmi.IsValidForSmiVersion(_columnSmiMetaData[i], smiVersion))
{
throw ADP.VersionDoesNotSupportDataType(_columnSmiMetaData[i].TypeName);
}
}
_eventSink = new SmiEventSink_Default( );
if (InOutOfProcHelper.InProc)
{
_recordContext = SmiContextFactory.Instance.GetCurrentContext();
_recordBuffer = _recordContext.CreateRecordBuffer(_columnSmiMetaData, _eventSink);
_usesStringStorageForXml = false;
}
else
{
_recordContext = null;
_recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData);
_usesStringStorageForXml = true;
}
_eventSink.ProcessMessagesAndThrow();
}
internal SqlDataRecord(SmiRecordBuffer recordBuffer, params SmiExtendedMetaData[] metaData)
{
this._columnMetaData = new SqlMetaData[metaData.Length];
this._columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < this._columnSmiMetaData.Length; i++)
{
this._columnSmiMetaData[i] = metaData[i];
this._columnMetaData[i] = MetaDataUtilsSmi.SmiExtendedMetaDataToSqlMetaData(this._columnSmiMetaData[i]);
}
this._eventSink = new SmiEventSink_Default();
if (InOutOfProcHelper.InProc)
{
this._recordContext = SmiContextFactory.Instance.GetCurrentContext();
}
else
{
this._recordContext = null;
}
this._recordBuffer = recordBuffer;
this._eventSink.ProcessMessagesAndThrow();
}
internal SqlDataRecord(SmiRecordBuffer recordBuffer, params SmiExtendedMetaData[] metaData)
{
this._columnMetaData = new SqlMetaData[metaData.Length];
this._columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
for (int i = 0; i < this._columnSmiMetaData.Length; i++)
{
this._columnSmiMetaData[i] = metaData[i];
this._columnMetaData[i] = MetaDataUtilsSmi.SmiExtendedMetaDataToSqlMetaData(this._columnSmiMetaData[i]);
}
this._eventSink = new SmiEventSink_Default();
if (InOutOfProcHelper.InProc)
{
this._recordContext = SmiContextFactory.Instance.GetCurrentContext();
}
else
{
this._recordContext = null;
}
this._recordBuffer = recordBuffer;
this._eventSink.ProcessMessagesAndThrow();
}
public SqlDataRecord(params SqlMetaData[] metaData)
{
if (metaData == null)
{
throw ADP.ArgumentNull("metadata");
}
this._columnMetaData = new SqlMetaData[metaData.Length];
this._columnSmiMetaData = new SmiExtendedMetaData[metaData.Length];
ulong smiVersion = this.SmiVersion;
for (int i = 0; i < this._columnSmiMetaData.Length; i++)
{
if (metaData[i] == null)
{
throw ADP.ArgumentNull("metadata[" + i + "]");
}
this._columnMetaData[i] = metaData[i];
this._columnSmiMetaData[i] = MetaDataUtilsSmi.SqlMetaDataToSmiExtendedMetaData(this._columnMetaData[i]);
if (!MetaDataUtilsSmi.IsValidForSmiVersion(this._columnSmiMetaData[i], smiVersion))
{
throw ADP.VersionDoesNotSupportDataType(this._columnSmiMetaData[i].TypeName);
}
}
this._eventSink = new SmiEventSink_Default();
if (InOutOfProcHelper.InProc)
{
this._recordContext = SmiContextFactory.Instance.GetCurrentContext();
this._recordBuffer = this._recordContext.CreateRecordBuffer(this._columnSmiMetaData, this._eventSink);
this._usesStringStorageForXml = false;
}
else
{
this._recordContext = null;
this._recordBuffer = new MemoryRecordBuffer(this._columnSmiMetaData);
this._usesStringStorageForXml = true;
}
this._eventSink.ProcessMessagesAndThrow();
}
internal void ExecuteToPipe(SmiContext pipeContext)
{
IntPtr ptr;
SqlConnection.ExecutePermission.Demand();
this._pendingCancel = false;
SqlStatistics statistics = null;
Bid.ScopeEnter(out ptr, "<sc.SqlCommand.ExecuteToPipe|INFO> %d#", this.ObjectID);
try
{
statistics = SqlStatistics.StartTimer(this.Statistics);
this.InternalExecuteNonQuery(null, "ExecuteNonQuery", true);
}
finally
{
SqlStatistics.StopTimer(statistics);
Bid.ScopeLeave(ref ptr);
}
}
private SqlContext( SmiContext smiContext ) {
_smiContext = smiContext;
_smiContext.OutOfScope += new EventHandler(OnOutOfScope);
}
private void DisposeSmiRequest()
{
if (this._smiRequest != null)
{
SmiRequestExecutor executor = this._smiRequest;
this._smiRequest = null;
this._smiRequestContext = null;
executor.Close(this.EventSink);
this.EventSink.ProcessMessagesAndThrow();
}
}
internal SqlInternalConnectionSmi(SqlConnectionString connectionOptions, SmiContext smiContext) : base(connectionOptions) {
Debug.Assert(null != smiContext, "null smiContext?");
_smiContext = smiContext;
_smiContext.OutOfScope += new EventHandler(OnOutOfScope);
_smiConnection = _smiContext.ContextConnection;
Debug.Assert(null != _smiConnection, "null SmiContext.ContextConnection?");
_smiEventSink = new EventSink(this);
if (Bid.AdvancedOn) {
Bid.Trace("<sc.SqlInternalConnectionSmi.ctor|ADV> %d#, constructed new SMI internal connection\n", ObjectID);
}
}
private SqlContext(SmiContext smiContext)
{
_smiContext = smiContext;
_smiContext.OutOfScope += new EventHandler(OnOutOfScope);
}
bool _hadErrorInResultSet; // true if an exception was thrown from within various bodies; used to control cleanup during SendResultsEnd
internal SqlPipe( SmiContext smiContext ) {
_smiContext = smiContext;
_eventSink = new SmiEventSink_Default();
}
// dealing with v200 SMI
internal static object GetSqlValue200(
SmiEventSink_Default sink,
SmiTypedGetterSetter getters,
int ordinal,
SmiMetaData metaData,
SmiContext context
) {
object result = null;
if (IsDBNull_Unchecked(sink, getters, ordinal)) {
if (SqlDbType.Udt == metaData.SqlDbType) {
result = NullUdtInstance(metaData);
} else {
result = __typeSpecificNullForSqlValue[(int)metaData.SqlDbType];
}
} else {
switch (metaData.SqlDbType) {
case SqlDbType.Variant: // Handle variants specifically for v200, since they could contain v200 types
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
Debug.Assert(SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant causes endless recursion!");
result = GetSqlValue200(sink, getters, ordinal, metaData, context);
break;
case SqlDbType.Date:
case SqlDbType.DateTime2:
result = GetDateTime_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Time:
result = GetTimeSpan_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.DateTimeOffset:
result = GetDateTimeOffset_Unchecked(sink, getters, ordinal);
break;
default:
result = GetSqlValue(sink, getters, ordinal, metaData, context);
break;
}
}
return result;
}
// 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;
}
private static SqlXml GetSqlXml_Unchecked( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiContext context ) {
Debug.Assert( !IsDBNull_Unchecked( sink, getters, ordinal ) );
// allow context to be null so strongly-typed getters can use
// this method without having to pass along the almost-never-used context as a parameter
// Looking the context up like this will be slightly slower, but still correct behavior
// since it's only used to get a scratch stream.
if (null == context && InOutOfProcHelper.InProc) {
context = SmiContextFactory.Instance.GetCurrentContext(); // In the future we need to push the context checking to a higher level
}
// Note: must make a copy of getter stream, since it will be used beyond
// this method (valid lifetime of getters is limited).
Stream s = new SmiGettersStream( sink, getters, ordinal, SmiMetaData.DefaultXml );
Stream copy = ValueUtilsSmi.CopyIntoNewSmiScratchStream( s, sink, context );
SqlXml result = new SqlXml( copy );
return result;
}
internal static SqlBytes GetSqlBytes(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
if (CanAccessGetterDirectly(metaData, ExtendedClrTypeCode.SqlBytes))
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return SqlBytes.Null;
}
long num = GetBytesLength_Unchecked(sink, getters, ordinal);
if ((0L <= num) && (num < 0x1f40L))
{
return new SqlBytes(GetByteArray_Unchecked(sink, getters, ordinal));
}
Stream source = new SmiGettersStream(sink, getters, ordinal, metaData);
return new SqlBytes(CopyIntoNewSmiScratchStream(source, sink, context));
}
object obj2 = GetSqlValue(sink, getters, ordinal, metaData, null);
if (obj2 == null)
{
throw ADP.InvalidCast();
}
SqlBinary binary = (SqlBinary) obj2;
if (binary.IsNull)
{
return SqlBytes.Null;
}
return new SqlBytes(binary.Value);
}
private SqlContext(SmiContext smiContext)
{
this._smiContext = smiContext;
this._smiContext.OutOfScope += new EventHandler(this.OnOutOfScope);
}
internal static object GetOutputParameterV3Smi(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context, SqlBuffer targetBuffer)
{
object result = null;
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
return result;
}
switch (metaData.SqlDbType)
{
case SqlDbType.BigInt:
targetBuffer.Int64 = GetInt64_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Binary:
case SqlDbType.Image:
case SqlDbType.Timestamp:
case SqlDbType.VarBinary:
targetBuffer.SqlBinary = GetSqlBinary_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Bit:
targetBuffer.Boolean = GetBoolean_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Char:
case SqlDbType.NChar:
case SqlDbType.NText:
case SqlDbType.NVarChar:
case SqlDbType.Text:
case SqlDbType.VarChar:
targetBuffer.SetToString(GetString_Unchecked(sink, getters, ordinal));
return result;
case SqlDbType.DateTime:
case SqlDbType.SmallDateTime:
{
SqlDateTime time = new SqlDateTime(GetDateTime_Unchecked(sink, getters, ordinal));
targetBuffer.SetToDateTime(time.DayTicks, time.TimeTicks);
return result;
}
case SqlDbType.Decimal:
{
SqlDecimal num = GetSqlDecimal_Unchecked(sink, getters, ordinal);
targetBuffer.SetToDecimal(num.Precision, num.Scale, num.IsPositive, num.Data);
return result;
}
case SqlDbType.Float:
targetBuffer.Double = GetDouble_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Int:
targetBuffer.Int32 = GetInt32_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Money:
case SqlDbType.SmallMoney:
targetBuffer.SetToMoney(GetInt64_Unchecked(sink, getters, ordinal));
return result;
case SqlDbType.Real:
targetBuffer.Single = GetSingle_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.UniqueIdentifier:
targetBuffer.SqlGuid = new SqlGuid(GetGuid_Unchecked(sink, getters, ordinal));
return result;
case SqlDbType.SmallInt:
targetBuffer.Int16 = GetInt16_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.TinyInt:
targetBuffer.Byte = GetByte_Unchecked(sink, getters, ordinal);
return result;
case SqlDbType.Variant:
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
return result;
case (SqlDbType.SmallInt | SqlDbType.Int):
case (SqlDbType.Text | SqlDbType.Int):
case (SqlDbType.Xml | SqlDbType.Bit):
case (SqlDbType.TinyInt | SqlDbType.Int):
return result;
case SqlDbType.Xml:
targetBuffer.SqlXml = GetSqlXml_Unchecked(sink, getters, ordinal, null);
return result;
case SqlDbType.Udt:
return GetUdt_LengthChecked(sink, getters, ordinal, metaData);
}
return result;
}
internal static object GetOutputParameterV200Smi(SmiEventSink_Default sink, SmiTypedGetterSetter getters, int ordinal, SmiMetaData metaData, SmiContext context, SqlBuffer targetBuffer)
{
object result = null;
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
return result;
}
switch (metaData.SqlDbType)
{
case SqlDbType.Date:
targetBuffer.SetToDate(GetDateTime_Unchecked(sink, getters, ordinal));
return result;
case SqlDbType.Time:
targetBuffer.SetToTime(GetTimeSpan_Unchecked(sink, getters, ordinal), metaData.Scale);
return result;
case SqlDbType.DateTime2:
targetBuffer.SetToDateTime2(GetDateTime_Unchecked(sink, getters, ordinal), metaData.Scale);
return result;
case SqlDbType.DateTimeOffset:
targetBuffer.SetToDateTimeOffset(GetDateTimeOffset_Unchecked(sink, getters, ordinal), metaData.Scale);
return result;
case SqlDbType.Variant:
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
GetOutputParameterV200Smi(sink, getters, ordinal, metaData, context, targetBuffer);
return result;
}
return GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
}
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();
}
private void SetUpSmiRequest(SqlInternalConnectionSmi innerConnection)
{
this.DisposeSmiRequest();
if (this.Notification != null)
{
throw SQL.NotificationsNotAvailableOnContextConnection();
}
SmiParameterMetaData[] parameterMetaData = null;
ParameterPeekAheadValue[] valueArray = null;
int parameterCount = this.GetParameterCount(this.Parameters);
if (0 < parameterCount)
{
parameterMetaData = new SmiParameterMetaData[parameterCount];
valueArray = new ParameterPeekAheadValue[parameterCount];
for (int j = 0; j < parameterCount; j++)
{
SqlParameter parameter2 = this.Parameters[j];
parameter2.Validate(j, System.Data.CommandType.StoredProcedure == this.CommandType);
parameterMetaData[j] = parameter2.MetaDataForSmi(out valueArray[j]);
if (!innerConnection.IsKatmaiOrNewer)
{
MetaType metaTypeFromSqlDbType = MetaType.GetMetaTypeFromSqlDbType(parameterMetaData[j].SqlDbType, parameterMetaData[j].IsMultiValued);
if (!metaTypeFromSqlDbType.Is90Supported)
{
throw ADP.VersionDoesNotSupportDataType(metaTypeFromSqlDbType.TypeName);
}
}
}
}
System.Data.CommandType commandType = this.CommandType;
this._smiRequestContext = innerConnection.InternalContext;
this._smiRequest = this._smiRequestContext.CreateRequestExecutor(this.CommandText, commandType, parameterMetaData, this.EventSink);
this.EventSink.ProcessMessagesAndThrow();
for (int i = 0; i < parameterCount; i++)
{
if ((ParameterDirection.Output == parameterMetaData[i].Direction) || (ParameterDirection.ReturnValue == parameterMetaData[i].Direction))
{
continue;
}
SqlParameter parameter = this.Parameters[i];
object coercedValue = parameter.GetCoercedValue();
ExtendedClrTypeCode typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType(parameterMetaData[i].SqlDbType, parameterMetaData[i].IsMultiValued, coercedValue, null, SmiContextFactory.Instance.NegotiatedSmiVersion);
if ((System.Data.CommandType.StoredProcedure == commandType) && (ExtendedClrTypeCode.Empty == typeCode))
{
this._smiRequest.SetDefault(i);
continue;
}
int size = parameter.Size;
if (((size != 0) && (size != -1L)) && !parameter.SizeInferred)
{
switch (parameterMetaData[i].SqlDbType)
{
case SqlDbType.NText:
if (size != 0x3fffffff)
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.NVarChar:
if (((size > 0) && (size != 0x3fffffff)) && (parameterMetaData[i].MaxLength == -1L))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.Text:
case SqlDbType.Image:
goto Label_01E8;
case SqlDbType.Timestamp:
if (size < SmiMetaData.DefaultTimestamp.MaxLength)
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.VarBinary:
case SqlDbType.VarChar:
goto Label_020C;
case SqlDbType.Variant:
goto Label_0271;
case SqlDbType.Xml:
if ((coercedValue != null) && (ExtendedClrTypeCode.SqlXml != typeCode))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
}
}
goto Label_02CF;
Label_01E8:
if (size == 0x7fffffff)
{
goto Label_02CF;
}
throw SQL.ParameterSizeRestrictionFailure(i);
Label_020C:
if (((size <= 0) || (size == 0x7fffffff)) || (parameterMetaData[i].MaxLength != -1L))
{
goto Label_02CF;
}
throw SQL.ParameterSizeRestrictionFailure(i);
Label_0271:
if (coercedValue != null)
{
MetaType metaTypeFromValue = MetaType.GetMetaTypeFromValue(coercedValue);
if (((metaTypeFromValue.IsNCharType && (size < 0xfa0L)) || (metaTypeFromValue.IsBinType && (size < 0x1f40L))) || (metaTypeFromValue.IsAnsiType && (size < 0x1f40L)))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
}
Label_02CF:
if (innerConnection.IsKatmaiOrNewer)
{
ValueUtilsSmi.SetCompatibleValueV200(this.EventSink, this._smiRequest, i, parameterMetaData[i], coercedValue, typeCode, parameter.Offset, parameter.Size, valueArray[i]);
}
else
{
ValueUtilsSmi.SetCompatibleValue(this.EventSink, this._smiRequest, i, parameterMetaData[i], coercedValue, typeCode, parameter.Offset);
}
}
}
internal static SqlChars GetSqlChars( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context ) {
SqlChars result;
if ( CanAccessGetterDirectly( metaData, ExtendedClrTypeCode.SqlChars ) ) {
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
result = SqlChars.Null;
}
else {
long length = GetCharsLength_Unchecked( sink, getters, ordinal );
if ( length < __maxCharChunkSize || !InOutOfProcHelper.InProc) {
char[] charBuffer = GetCharArray_Unchecked( sink, getters, ordinal );
result = new SqlChars( charBuffer );
}
else { // InProc only
Stream s = new SmiGettersStream( sink, getters, ordinal, metaData );
SqlStreamChars sc = CopyIntoNewSmiScratchStreamChars( s, sink, context );
result = new SqlChars( sc );
}
}
}
else {
SqlString stringValue;
if (SqlDbType.Xml == metaData.SqlDbType) {
SqlXml xmlValue = GetSqlXml_Unchecked( sink, getters, ordinal, null );
if (xmlValue.IsNull) {
result = SqlChars.Null;
}
else {
result = new SqlChars( xmlValue.Value.ToCharArray() );
}
}
else {
object obj = GetSqlValue( sink, getters, ordinal, metaData, null );
if (null == obj) {
throw ADP.InvalidCast();
}
stringValue = (SqlString) obj;
if ( stringValue.IsNull ) {
result = SqlChars.Null;
}
else {
result = new SqlChars( stringValue.Value.ToCharArray() );
}
}
}
return result;
}
internal static SqlChars GetSqlChars(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
if (CanAccessGetterDirectly(metaData, ExtendedClrTypeCode.SqlChars))
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return SqlChars.Null;
}
if ((GetCharsLength_Unchecked(sink, getters, ordinal) < 0xfa0L) || !InOutOfProcHelper.InProc)
{
return new SqlChars(GetCharArray_Unchecked(sink, getters, ordinal));
}
Stream source = new SmiGettersStream(sink, getters, ordinal, metaData);
return new SqlChars(CopyIntoNewSmiScratchStreamChars(source, sink, context));
}
if (SqlDbType.Xml == metaData.SqlDbType)
{
SqlXml xml = GetSqlXml_Unchecked(sink, getters, ordinal, null);
if (xml.IsNull)
{
return SqlChars.Null;
}
return new SqlChars(xml.Value.ToCharArray());
}
object obj2 = GetSqlValue(sink, getters, ordinal, metaData, null);
if (obj2 == null)
{
throw ADP.InvalidCast();
}
SqlString str = (SqlString) obj2;
if (str.IsNull)
{
return SqlChars.Null;
}
return new SqlChars(str.Value.ToCharArray());
}
bool _hadErrorInResultSet; // true if an exception was thrown from within various bodies; used to control cleanup during SendResultsEnd
internal SqlPipe(SmiContext smiContext)
{
_smiContext = smiContext;
_eventSink = new SmiEventSink_Default();
}
// 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 SqlDateTime( 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;
}
private static SqlXml GetSqlXml_Unchecked(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiContext context)
{
if ((context == null) && InOutOfProcHelper.InProc)
{
context = SmiContextFactory.Instance.GetCurrentContext();
}
Stream source = new SmiGettersStream(sink, getters, ordinal, SmiMetaData.DefaultXml);
return new SqlXml(CopyIntoNewSmiScratchStream(source, sink, context));
}
// spool a Stream into a scratch stream from the Smi interface and return it as a SqlStreamChars
internal static SqlStreamChars CopyIntoNewSmiScratchStreamChars( Stream source, SmiEventSink_Default sink, SmiContext context ) {
SqlClientWrapperSmiStreamChars dest = new SqlClientWrapperSmiStreamChars( sink, context.GetScratchStream( sink ) );
int chunkSize;
if ( source.CanSeek && __maxByteChunkSize > source.Length ) {
chunkSize = unchecked( (int) source.Length ); // unchecked cast is safe due to check on line above
}
else {
chunkSize = __maxByteChunkSize;
}
byte[] copyBuffer = new byte[chunkSize];
int bytesRead;
while ( 0 != ( bytesRead = source.Read( copyBuffer, 0, chunkSize ) ) ) {
dest.Write( copyBuffer, 0, bytesRead );
}
dest.Flush();
// SQLBU 494334
// Need to re-wind scratch stream to beginning before returning
dest.Seek(0, SeekOrigin.Begin);
return dest;
}
internal static object GetValue(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
object obj2 = null;
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return DBNull.Value;
}
switch (metaData.SqlDbType)
{
case SqlDbType.BigInt:
return GetInt64_Unchecked(sink, getters, ordinal);
case SqlDbType.Binary:
return GetByteArray_Unchecked(sink, getters, ordinal);
case SqlDbType.Bit:
return GetBoolean_Unchecked(sink, getters, ordinal);
case SqlDbType.Char:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.DateTime:
return GetDateTime_Unchecked(sink, getters, ordinal);
case SqlDbType.Decimal:
return GetSqlDecimal_Unchecked(sink, getters, ordinal).Value;
case SqlDbType.Float:
return GetDouble_Unchecked(sink, getters, ordinal);
case SqlDbType.Image:
return GetByteArray_Unchecked(sink, getters, ordinal);
case SqlDbType.Int:
return GetInt32_Unchecked(sink, getters, ordinal);
case SqlDbType.Money:
return GetSqlMoney_Unchecked(sink, getters, ordinal).Value;
case SqlDbType.NChar:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.NText:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.NVarChar:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.Real:
return GetSingle_Unchecked(sink, getters, ordinal);
case SqlDbType.UniqueIdentifier:
return GetGuid_Unchecked(sink, getters, ordinal);
case SqlDbType.SmallDateTime:
return GetDateTime_Unchecked(sink, getters, ordinal);
case SqlDbType.SmallInt:
return GetInt16_Unchecked(sink, getters, ordinal);
case SqlDbType.SmallMoney:
return GetSqlMoney_Unchecked(sink, getters, ordinal).Value;
case SqlDbType.Text:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.Timestamp:
return GetByteArray_Unchecked(sink, getters, ordinal);
case SqlDbType.TinyInt:
return GetByte_Unchecked(sink, getters, ordinal);
case SqlDbType.VarBinary:
return GetByteArray_Unchecked(sink, getters, ordinal);
case SqlDbType.VarChar:
return GetString_Unchecked(sink, getters, ordinal);
case SqlDbType.Variant:
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
return GetValue(sink, getters, ordinal, metaData, context);
case (SqlDbType.SmallInt | SqlDbType.Int):
case (SqlDbType.Text | SqlDbType.Int):
case (SqlDbType.Xml | SqlDbType.Bit):
case (SqlDbType.TinyInt | SqlDbType.Int):
return obj2;
case SqlDbType.Xml:
return GetSqlXml_Unchecked(sink, getters, ordinal, context).Value;
case SqlDbType.Udt:
return GetUdt_LengthChecked(sink, getters, ordinal, metaData);
}
return obj2;
}
internal static SqlBytes GetSqlBytes( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context ) {
SqlBytes result;
if ( CanAccessGetterDirectly( metaData, ExtendedClrTypeCode.SqlBytes ) ) {
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
result = SqlBytes.Null;
}
else {
long length = GetBytesLength_Unchecked( sink, getters, ordinal );
if ( 0 <= length && length < __maxByteChunkSize ) {
byte[] byteBuffer = GetByteArray_Unchecked( sink, getters, ordinal );
result = new SqlBytes( byteBuffer );
}
else {
Stream s = new SmiGettersStream( sink, getters, ordinal, metaData );
s = CopyIntoNewSmiScratchStream( s, sink, context );
result = new SqlBytes( s );
}
}
}
else {
object obj = GetSqlValue( sink, getters, ordinal, metaData, null );
if (null == obj) {
throw ADP.InvalidCast();
}
SqlBinary binaryVal = (SqlBinary) obj;
if ( binaryVal.IsNull ) {
result = SqlBytes.Null;
}
else {
result = new SqlBytes( binaryVal.Value );
}
}
return result;
}
internal static object GetValue200(SmiEventSink_Default sink, SmiTypedGetterSetter getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return DBNull.Value;
}
switch (metaData.SqlDbType)
{
case SqlDbType.Date:
case SqlDbType.DateTime2:
return GetDateTime_Unchecked(sink, getters, ordinal);
case SqlDbType.Time:
return GetTimeSpan_Unchecked(sink, getters, ordinal);
case SqlDbType.DateTimeOffset:
return GetDateTimeOffset_Unchecked(sink, getters, ordinal);
case SqlDbType.Variant:
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
return GetValue200(sink, getters, ordinal, metaData, context);
}
return GetValue(sink, getters, ordinal, metaData, context);
}
internal static SqlXml GetSqlXml( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context ) {
SqlXml result;
if ( CanAccessGetterDirectly( metaData, ExtendedClrTypeCode.SqlXml ) ) {
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
result = SqlXml.Null;
}
else {
result = GetSqlXml_Unchecked( sink, getters, ordinal, context );
}
}
else {
object obj = GetSqlValue( sink, getters, ordinal, metaData, null );
if (null == obj) {
throw ADP.InvalidCast();
}
result = (SqlXml) obj;
}
return result;
}
internal static Stream CopyIntoNewSmiScratchStream(Stream source, SmiEventSink_Default sink, SmiContext context)
{
Stream stream;
int length;
int num2;
if (context == null)
{
stream = new MemoryStream();
}
else
{
stream = new SqlClientWrapperSmiStream(sink, context.GetScratchStream(sink));
}
if (source.CanSeek && (0x1f40L > source.Length))
{
length = (int) source.Length;
}
else
{
length = 0x1f40;
}
byte[] buffer = new byte[length];
while ((num2 = source.Read(buffer, 0, length)) != 0)
{
stream.Write(buffer, 0, num2);
}
stream.Flush();
stream.Seek(0L, SeekOrigin.Begin);
return stream;
}
// implements SqlClient 1.1-compatible GetSqlValue() semantics for everything except output parameters
internal static object GetSqlValue(
SmiEventSink_Default sink,
ITypedGettersV3 getters,
int ordinal,
SmiMetaData metaData,
SmiContext context
) {
object result = null;
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
if (SqlDbType.Udt == metaData.SqlDbType) {
result = NullUdtInstance(metaData);
}
else {
result = __typeSpecificNullForSqlValue[(int)metaData.SqlDbType];
}
}
else {
switch( metaData.SqlDbType ) {
case SqlDbType.BigInt:
result = new SqlInt64( GetInt64_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Binary:
result = GetSqlBinary_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.Bit:
result = new SqlBoolean( GetBoolean_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Char:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.DateTime:
result = new SqlDateTime( GetDateTime_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Decimal:
result = GetSqlDecimal_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.Float:
result = new SqlDouble( GetDouble_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Image:
result = GetSqlBinary_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.Int:
result = new SqlInt32( GetInt32_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Money:
result = GetSqlMoney_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.NChar:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.NText:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.NVarChar:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Real:
result = new SqlSingle( GetSingle_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.UniqueIdentifier:
result = new SqlGuid( GetGuid_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.SmallDateTime:
result = new SqlDateTime( GetDateTime_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.SmallInt:
result = new SqlInt16( GetInt16_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.SmallMoney:
result = GetSqlMoney_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.Text:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Timestamp:
result = GetSqlBinary_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.TinyInt:
result = new SqlByte( GetByte_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.VarBinary:
result = GetSqlBinary_Unchecked( sink, getters, ordinal );
break;
case SqlDbType.VarChar:
result = new SqlString( GetString_Unchecked( sink, getters, ordinal ) );
break;
case SqlDbType.Variant:
metaData = getters.GetVariantType( sink, ordinal );
sink.ProcessMessagesAndThrow();
Debug.Assert( SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant causes endless recursion!" );
result = GetSqlValue( sink, getters, ordinal, metaData, context );
break;
case SqlDbType.Xml:
result = GetSqlXml_Unchecked( sink, getters, ordinal, context );
break;
case SqlDbType.Udt:
result = GetUdt_LengthChecked( sink, getters, ordinal, metaData );
break;
}
}
return result;
}
internal static SqlStreamChars CopyIntoNewSmiScratchStreamChars(Stream source, SmiEventSink_Default sink, SmiContext context)
{
int length;
int num2;
SqlClientWrapperSmiStreamChars chars = new SqlClientWrapperSmiStreamChars(sink, context.GetScratchStream(sink));
if (source.CanSeek && (0x1f40L > source.Length))
{
length = (int) source.Length;
}
else
{
length = 0x1f40;
}
byte[] buffer = new byte[length];
while ((num2 = source.Read(buffer, 0, length)) != 0)
{
chars.Write(buffer, 0, num2);
}
chars.Flush();
chars.Seek(0L, SeekOrigin.Begin);
return chars;
}
