// Check what type current sql_variant value is
// valid for SqlDbType.Variant
public virtual SmiMetaData GetVariantType(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual int GetBytes(SmiEventSink sink, int ordinal, long fieldOffset, byte[] buffer, int bufferOffset, int length) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual DateTimeOffset GetDateTimeOffset(SmiEventSink sink, int ordinal)
{
if (!this.CanGet)
{
throw ADP.InternalError(ADP.InternalErrorCode.InvalidSmiCall);
}
throw ADP.InternalError(ADP.InternalErrorCode.UnimplementedSMIMethod);
}
// valid for SqlDbTypes: Binary, VarBinary, Image, Udt, Xml, Char, VarChar, Text, NChar, NVarChar, NText
// (Character type support needed for ExecuteXmlReader handling)
public virtual Int64 GetBytesLength(SmiEventSink sink, int ordinal) {
if (!CanGet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public virtual bool GetBoolean(SmiEventSink sink, int ordinal)
{
if (!this.CanGet)
{
throw ADP.InternalError(ADP.InternalErrorCode.InvalidSmiCall);
}
throw ADP.InternalError(ADP.InternalErrorCode.UnimplementedSMIMethod);
}
internal virtual void EndElements(SmiEventSink sink)
{
if (!this.CanSet)
{
throw ADP.InternalError(ADP.InternalErrorCode.InvalidSmiCall);
}
throw ADP.InternalError(ADP.InternalErrorCode.UnimplementedSMIMethod);
}
public virtual int GetChars(SmiEventSink sink, int ordinal, long fieldOffset, char[] buffer, int bufferOffset, int length)
{
if (!this.CanGet)
{
throw ADP.InternalError(ADP.InternalErrorCode.InvalidSmiCall);
}
throw ADP.InternalError(ADP.InternalErrorCode.UnimplementedSMIMethod);
}
public virtual long GetCharsLength(SmiEventSink sink, int ordinal)
{
if (!this.CanGet)
{
throw ADP.InternalError(ADP.InternalErrorCode.InvalidSmiCall);
}
throw ADP.InternalError(ADP.InternalErrorCode.UnimplementedSMIMethod);
}
// Scratch LOB storage region
internal virtual SmiStream GetScratchStream( SmiEventSink sink ) {
// Adding as of V3
// Implement body with throw because there are only a couple of ways to get to this code:
// 1) Client is calling this method even though the server negotiated for V2- and hasn't implemented V3 yet.
// 2) Server didn't implement V3, but negotiated V3+.
System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
return null;
}
public virtual void Close(
SmiEventSink eventSink
) {
// Adding as of V3
// Implement body with throw because there are only a couple of ways to get to this code:
// 1) Client is calling this method even though the server negotiated for V2- and hasn't implemented V3 yet.
// 2) Server didn't implement V3 on some interface, but negotiated V3+.
throw System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
}
internal SqlDataReaderSmi(SmiEventStream eventStream, SqlCommand parent, CommandBehavior behavior, SqlInternalConnectionSmi connection, SmiEventSink parentSink) : base(parent, behavior)
{
this._eventStream = eventStream;
this._currentConnection = connection;
this._readerEventSink = new ReaderEventSink(this, parentSink);
this._currentPosition = PositionState.BeforeResults;
this._isOpen = true;
this._indexMap = null;
this._visibleColumnCount = 0;
}
// valid for SqlDbType.Numeric (uses SqlDecimal since Decimal cannot hold full range)
public override SqlDecimal GetSqlDecimal(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].SqlDecimal;
}
// valid for SqlDbType.Float
public override Double GetDouble(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].Double;
}
// valid for SqlDbType.Real
public override Single GetSingle(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].Single;
}
internal abstract void SendMessageToPipe(string message, SmiEventSink eventSink);
internal virtual void EndElements(SmiEventSink sink) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
// valid for DateTimeOffset
public virtual void SetDateTimeOffset(SmiEventSink sink, int ordinal, DateTimeOffset value) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
} else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
internal abstract void SendResultsEndToPipe( SmiRecordBuffer recordBuffer, SmiEventSink eventSink );
internal abstract void GetTriggerInfo (
SmiEventSink eventSink,
out bool[] columnsUpdated,
out TriggerAction action,
out SqlXml eventInstanceData
);
// valid for structured types
// This method called for both get and set.
internal virtual SmiTypedGetterSetter GetTypedGetterSetter(SmiEventSink sink, int ordinal)
{
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
internal SmiEventSink_DeferedProcessing(SmiEventSink parent) : base(parent)
{
}
internal abstract void Close(SmiEventSink sink);
internal abstract SmiRecordBuffer CreateRecordBuffer (
SmiExtendedMetaData[] columnMetaData, // Extended metadata because it requires names, udttypename and xmlschemaname ignored
SmiEventSink eventSink
);
internal SmiEventSink_Default(SmiEventSink parent)
{
_parent = parent;
}
internal abstract SmiRequestExecutor CreateRequestExecutor (
string commandText,
CommandType commandType,
SmiParameterMetaData[] parameterMetaData,
SmiEventSink eventSink
);
internal abstract void ProcessEvent(SmiEventSink sink);
internal abstract void SendMessageToPipe( string message, SmiEventSink eventSink );
internal SmiEventSink_Default ( SmiEventSink parent ) {
_parent = parent;
}
public virtual void SetCharsLength(SmiEventSink sink, int ordinal, long length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
internal abstract void SendResultsEndToPipe(SmiRecordBuffer recordBuffer, SmiEventSink eventSink);
// valid for structured types
// This method called for both get and set.
internal virtual SmiTypedGetterSetter GetTypedGetterSetter(SmiEventSink sink, int ordinal) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
public override Int64 GetCharsLength(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].CharsLength;
}
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
public virtual void SetString(SmiEventSink sink, int ordinal, string value, int offset, int length) {
if (!CanSet) {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.InvalidSmiCall);
}
else {
throw System.Data.Common.ADP.InternalError(System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod);
}
}
public override int GetChars(SmiEventSink sink, int ordinal, long fieldOffset, char[] buffer, int bufferOffset, int length) {
return _buffer[ordinal].GetChars(fieldOffset, buffer, bufferOffset, length);
}
public virtual void SetVariantMetaData( SmiEventSink sink, int ordinal, SmiMetaData metaData ) {
// ******** OBSOLETING from SMI -- this should have been removed from ITypedSettersV3
// Intended to be removed prior to RTM. Sub-classes need not implement
// Implement body with throw because there are only a couple of ways to get to this code:
// 1) Client is calling this method even though the server negotiated for V3+ and dropped support for V2-.
// 2) Server didn't implement V2- on some interface and negotiated V2-.
throw System.Data.Common.ADP.InternalError( System.Data.Common.ADP.InternalErrorCode.UnimplementedSMIMethod );
}
internal abstract SmiRequestExecutor CreateRequestExecutor(
string commandText,
CommandType commandType,
SmiParameterMetaData[] parameterMetaData,
SmiEventSink eventSink
);
public override String GetString(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].String;
}
internal abstract void GetTriggerInfo(
SmiEventSink eventSink,
out bool[] columnsUpdated,
out TriggerAction action,
out SqlXml eventInstanceData
);
// valid for SqlDbType.BigInt, SqlDbType.Money, SqlDbType.SmallMoney
public override Int64 GetInt64(SmiEventSink sink, int ordinal) {
return _buffer[ordinal].Int64;
}
internal abstract SmiRecordBuffer CreateRecordBuffer(
SmiExtendedMetaData[] columnMetaData, // Extended metadata because it requires names, udttypename and xmlschemaname ignored
SmiEventSink eventSink
);
