// valid for DateTimeOffset
internal void SetDateTimeOffset(DateTimeOffset value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetDateTimeOffset));
byte scale;
byte length;
if (SqlDbType.Variant == _metaData.SqlDbType)
{
// VSTFDevDiv #885208 - DateTimeOffset throws ArgumentException for when passing DateTimeOffset value to a sql_variant TVP
// using a SqlDataRecord or SqlDataReader
MSS.SmiMetaData dateTimeOffsetMetaData = MSS.SmiMetaData.DefaultDateTimeOffset;
scale = MetaType.MetaDateTimeOffset.Scale;
length = (byte)dateTimeOffsetMetaData.MaxLength;
_stateObj.Parser.WriteSqlVariantHeader(13, TdsEnums.SQLDATETIMEOFFSET, 1, _stateObj);
_stateObj.WriteByte(scale); //propbytes: scale
}
else
{
scale = _metaData.Scale;
length = (byte)_metaData.MaxLength;
_stateObj.WriteByte(length);
}
DateTime utcDateTime = value.UtcDateTime;
long time = utcDateTime.TimeOfDay.Ticks / TdsEnums.TICKS_FROM_SCALE[scale];
int days = utcDateTime.Subtract(DateTime.MinValue).Days;
short offset = (short)value.Offset.TotalMinutes;
_stateObj.WriteByteArray(BitConverter.GetBytes(time), length - 5, 0); // time
_stateObj.WriteByteArray(BitConverter.GetBytes(days), 3, 0); // date
_stateObj.WriteByte((byte)(offset & 0xff)); // offset byte 1
_stateObj.WriteByte((byte)((offset >> 8) & 0xff)); // offset byte 2
}
// valid for UniqueIdentifier
internal void SetGuid(Guid value)
{
Debug.Assert(SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetGuid));
#if NETCOREAPP
Span <byte> bytes = stackalloc byte[16];
value.TryWriteBytes(bytes);
#else
byte[] bytes = value.ToByteArray();
#endif
Debug.Assert(SmiMetaData.DefaultUniqueIdentifier.MaxLength == bytes.Length, "Invalid length for guid bytes: " + bytes.Length);
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(18, TdsEnums.SQLUNIQUEID, 0, _stateObj);
}
else
{
Debug.Assert(_metaData.MaxLength == bytes.Length, "Unexpected uniqueid metadata length: " + _metaData.MaxLength);
_stateObj.WriteByte((byte)_metaData.MaxLength);
}
#if NETCOREAPP
_stateObj.WriteByteSpan(bytes);
#else
_stateObj.WriteByteArray(bytes, bytes.Length, 0);
#endif
}
internal void SetCharsLength(long length)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetChars));
CheckSettingOffset(length);
if (0 == length)
{
if (_isPlp)
{
Debug.Assert(!_plpUnknownSent, "A plpUnknown has already been sent before setting length to zero.");
_stateObj.Parser.WriteLong(0, _stateObj);
_plpUnknownSent = true;
}
else
{
Debug.Assert(!MetaType.GetMetaTypeFromSqlDbType(_metaData.SqlDbType, _metaData.IsMultiValued).IsLong,
"We're assuming long length types are sent as PLP. SqlDbType = " + _metaData.SqlDbType);
_stateObj.Parser.WriteShort(0, _stateObj);
}
}
if (_plpUnknownSent)
{
_stateObj.Parser.WriteInt(TdsEnums.SQL_PLP_CHUNK_TERMINATOR, _stateObj);
_plpUnknownSent = false;
}
_encoder = null;
#if DEBUG
_currentOffset = 0;
#endif
}
// Semantics for SetChars are to modify existing value, not overwrite
// Use in combination with SetLength to ensure overwriting when necessary
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
// (NVarChar and global clr collation assumed for variants)
internal int SetChars(long fieldOffset, char[] buffer, int bufferOffset, int length)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetChars));
// ANSI types must convert to byte[] because that's the tool we have.
if (MetaDataUtilsSmi.IsAnsiType(_metaData.SqlDbType))
{
if (null == _encoder)
{
_encoder = _stateObj.Parser._defaultEncoding.GetEncoder();
}
byte[] bytes = new byte[_encoder.GetByteCount(buffer, bufferOffset, length, false)];
_encoder.GetBytes(buffer, bufferOffset, length, bytes, 0, false);
SetBytesNoOffsetHandling(fieldOffset, bytes, 0, bytes.Length);
}
else
{
CheckSettingOffset(fieldOffset);
// Send via PLP format if we can.
if (_isPlp)
{
// Handle initial PLP markers
if (!_plpUnknownSent)
{
_stateObj.Parser.WriteUnsignedLong(TdsEnums.SQL_PLP_UNKNOWNLEN, _stateObj);
_plpUnknownSent = true;
}
// Write chunk length
_stateObj.Parser.WriteInt(length * ADP.CharSize, _stateObj);
_stateObj.Parser.WriteCharArray(buffer, length, bufferOffset, _stateObj);
}
else
{
// Non-plp data must be sent in one chunk for now.
#if DEBUG
Debug.Assert(0 == _currentOffset, "SetChars doesn't yet support chunking for non-plp data: " + _currentOffset);
#endif
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantValue(new string(buffer, bufferOffset, length), length, 0, _stateObj);
}
else
{
Debug.Assert(!MetaType.GetMetaTypeFromSqlDbType(_metaData.SqlDbType, _metaData.IsMultiValued).IsLong,
"We're assuming long length types are sent as PLP. SqlDbType = " + _metaData.SqlDbType);
_stateObj.Parser.WriteShort(length * ADP.CharSize, _stateObj);
_stateObj.Parser.WriteCharArray(buffer, length, bufferOffset, _stateObj);
}
}
}
#if DEBUG
_currentOffset += length;
#endif
return(length);
}
// valid for DateTime, SmallDateTime, Date, DateTime2
internal void SetDateTime(DateTime value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetDateTime));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
if ((_variantType != null) && (_variantType.SqlDbType == SqlDbType.DateTime2))
{
_stateObj.Parser.WriteSqlVariantDateTime2(value, _stateObj);
}
else if ((_variantType != null) && (_variantType.SqlDbType == SqlDbType.Date))
{
_stateObj.Parser.WriteSqlVariantDate(value, _stateObj);
}
else
{
TdsDateTime dt = MetaType.FromDateTime(value, 8);
_stateObj.Parser.WriteSqlVariantHeader(10, TdsEnums.SQLDATETIME, 0, _stateObj);
_stateObj.Parser.WriteInt(dt.days, _stateObj);
_stateObj.Parser.WriteInt(dt.time, _stateObj);
}
// Clean the variant metadata to prevent sharing it with next row.
// As a reminder, SetVariantType raises an assert if _variantType is not clean
_variantType = null;
}
else
{
_stateObj.WriteByte((byte)_metaData.MaxLength);
if (SqlDbType.SmallDateTime == _metaData.SqlDbType)
{
TdsDateTime dt = MetaType.FromDateTime(value, (byte)_metaData.MaxLength);
Debug.Assert(0 <= dt.days && dt.days <= ushort.MaxValue, "Invalid DateTime '" + value + "' for SmallDateTime");
_stateObj.Parser.WriteShort(dt.days, _stateObj);
_stateObj.Parser.WriteShort(dt.time, _stateObj);
}
else if (SqlDbType.DateTime == _metaData.SqlDbType)
{
TdsDateTime dt = MetaType.FromDateTime(value, (byte)_metaData.MaxLength);
_stateObj.Parser.WriteInt(dt.days, _stateObj);
_stateObj.Parser.WriteInt(dt.time, _stateObj);
}
else
{ // date and datetime2
int days = value.Subtract(DateTime.MinValue).Days;
if (SqlDbType.DateTime2 == _metaData.SqlDbType)
{
long time = value.TimeOfDay.Ticks / TdsEnums.TICKS_FROM_SCALE[_metaData.Scale];
_stateObj.WriteByteArray(BitConverter.GetBytes(time), (int)_metaData.MaxLength - 3, 0);
}
_stateObj.WriteByteArray(BitConverter.GetBytes(days), 3, 0);
}
}
}
// Semantics for SetBytes are to modify existing value, not overwrite
// Use in combination with SetLength to ensure overwriting when necessary
// valid for SqlDbTypes: Binary, VarBinary, Image, Udt, Xml
// (VarBinary assumed for variants)
internal int SetBytes(long fieldOffset, byte[] buffer, int bufferOffset, int length)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetBytes));
CheckSettingOffset(fieldOffset);
SetBytesNoOffsetHandling(fieldOffset, buffer, bufferOffset, length);
#if DEBUG
_currentOffset += length;
#endif
return(length);
}
// valid for SqlDbType.Float
internal void SetDouble(double value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetDouble));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(10, TdsEnums.SQLFLT8, 0, _stateObj);
}
else
{
_stateObj.WriteByte((byte)_metaData.MaxLength);
}
_stateObj.Parser.WriteDouble(value, _stateObj);
}
// valid for SqlDbType.Int
internal void SetInt32(int value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetInt32));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(6, TdsEnums.SQLINT4, 0, _stateObj);
}
else
{
_stateObj.WriteByte((byte)_metaData.MaxLength);
}
_stateObj.Parser.WriteInt(value, _stateObj);
}
// valid for SqlDbType.Numeric (uses SqlDecimal since Decimal cannot hold full range)
internal void SetSqlDecimal(SqlDecimal value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetSqlDecimal));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(21, TdsEnums.SQLNUMERICN, 2, _stateObj);
_stateObj.WriteByte(value.Precision); // propbytes: precision
_stateObj.WriteByte(value.Scale); // propbytes: scale
_stateObj.Parser.WriteSqlDecimal(value, _stateObj);
}
else
{
_stateObj.WriteByte(checked ((byte)MetaType.MetaDecimal.FixedLength)); // SmiMetaData's length and actual wire format's length are different
_stateObj.Parser.WriteSqlDecimal(SqlDecimal.ConvertToPrecScale(value, _metaData.Precision, _metaData.Scale), _stateObj);
}
}
// valid for SqlDbType.Bit
internal void SetBoolean(bool value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetBoolean));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(3, TdsEnums.SQLBIT, 0, _stateObj);
}
else
{
_stateObj.WriteByte((byte)_metaData.MaxLength);
}
if (value)
{
_stateObj.WriteByte(1);
}
else
{
_stateObj.WriteByte(0);
}
}
// valid for SqlDbType.BigInt, SqlDbType.Money, SqlDbType.SmallMoney
internal void SetInt64(long value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetInt64));
if (SqlDbType.Variant == _metaData.SqlDbType)
{
if (null == _variantType)
{
_stateObj.Parser.WriteSqlVariantHeader(10, TdsEnums.SQLINT8, 0, _stateObj);
_stateObj.Parser.WriteLong(value, _stateObj);
}
else
{
Debug.Assert(SqlDbType.Money == _variantType.SqlDbType, "Invalid variant type");
_stateObj.Parser.WriteSqlVariantHeader(10, TdsEnums.SQLMONEY, 0, _stateObj);
_stateObj.Parser.WriteInt((int)(value >> 0x20), _stateObj);
_stateObj.Parser.WriteInt((int)value, _stateObj);
_variantType = null;
}
}
else
{
_stateObj.WriteByte((byte)_metaData.MaxLength);
if (SqlDbType.SmallMoney == _metaData.SqlDbType)
{
_stateObj.Parser.WriteInt((int)value, _stateObj);
}
else if (SqlDbType.Money == _metaData.SqlDbType)
{
_stateObj.Parser.WriteInt((int)(value >> 0x20), _stateObj);
_stateObj.Parser.WriteInt((int)value, _stateObj);
}
else
{
_stateObj.Parser.WriteLong(value, _stateObj);
}
}
}
internal void SetBytesLength(long length)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetBytes));
CheckSettingOffset(length);
if (0 == length)
{
if (_isPlp)
{
Debug.Assert(!_plpUnknownSent, "A plpUnknown has already been sent before setting length to zero.");
_stateObj.Parser.WriteLong(0, _stateObj);
_plpUnknownSent = true;
}
else
{
Debug.Assert(!MetaType.GetMetaTypeFromSqlDbType(_metaData.SqlDbType, _metaData.IsMultiValued).IsLong,
"We're assuming long length types are sent as PLP. SqlDbType = " + _metaData.SqlDbType);
if (SqlDbType.Variant == _metaData.SqlDbType)
{
_stateObj.Parser.WriteSqlVariantHeader(4, TdsEnums.SQLBIGVARBINARY, 2, _stateObj);
}
_stateObj.Parser.WriteShort(0, _stateObj);
}
}
if (_plpUnknownSent)
{
_stateObj.Parser.WriteInt(TdsEnums.SQL_PLP_CHUNK_TERMINATOR, _stateObj);
_plpUnknownSent = false;
}
#if DEBUG
//UNDONE: assumes SetBytesLength is done at end. But we could optimize deciding when we send PLP's!
_currentOffset = 0;
#endif
}
// valid for SqlDbType.Time
internal void SetTimeSpan(TimeSpan value)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetTime));
byte scale;
byte length;
if (SqlDbType.Variant == _metaData.SqlDbType)
{
scale = SmiMetaData.DefaultTime.Scale;
length = (byte)SmiMetaData.DefaultTime.MaxLength;
_stateObj.Parser.WriteSqlVariantHeader(8, TdsEnums.SQLTIME, 1, _stateObj);
_stateObj.WriteByte(scale); //propbytes: scale
}
else
{
scale = _metaData.Scale;
length = (byte)_metaData.MaxLength;
_stateObj.WriteByte(length);
}
long time = value.Ticks / TdsEnums.TICKS_FROM_SCALE[scale];
_stateObj.WriteByteArray(BitConverter.GetBytes(time), length, 0);
}
// valid for character types: Char, VarChar, Text, NChar, NVarChar, NText
internal void SetString(string value, int offset, int length)
{
Debug.Assert(
SmiXetterAccessMap.IsSetterAccessValid(_metaData, SmiXetterTypeCode.XetString));
// ANSI types must convert to byte[] because that's the tool we have.
if (MetaDataUtilsSmi.IsAnsiType(_metaData.SqlDbType))
{
byte[] bytes;
// Optimize for common case of writing entire string
if (offset == 0 && value.Length <= length)
{
bytes = _stateObj.Parser._defaultEncoding.GetBytes(value);
}
else
{
char[] chars = value.ToCharArray(offset, length);
bytes = _stateObj.Parser._defaultEncoding.GetBytes(chars);
}
SetBytes(0, bytes, 0, bytes.Length);
SetBytesLength(bytes.Length);
}
else if (SqlDbType.Variant == _metaData.SqlDbType)
{
Debug.Assert(null != _variantType && SqlDbType.NVarChar == _variantType.SqlDbType, "Invalid variant type");
SqlCollation collation = new SqlCollation();
collation.LCID = checked ((int)_variantType.LocaleId);
collation.SqlCompareOptions = _variantType.CompareOptions;
if (length * ADP.CharSize > TdsEnums.TYPE_SIZE_LIMIT)
{ // send as varchar for length greater than 4000
byte[] bytes;
// Optimize for common case of writing entire string
if (offset == 0 && value.Length <= length)
{
bytes = _stateObj.Parser._defaultEncoding.GetBytes(value);
}
else
{
bytes = _stateObj.Parser._defaultEncoding.GetBytes(value.ToCharArray(offset, length));
}
_stateObj.Parser.WriteSqlVariantHeader(9 + bytes.Length, TdsEnums.SQLBIGVARCHAR, 7, _stateObj);
_stateObj.Parser.WriteUnsignedInt(collation.info, _stateObj); // propbytes: collation.Info
_stateObj.WriteByte(collation.sortId); // propbytes: collation.SortId
_stateObj.Parser.WriteShort(bytes.Length, _stateObj); // propbyte: varlen
_stateObj.WriteByteArray(bytes, bytes.Length, 0);
}
else
{
_stateObj.Parser.WriteSqlVariantHeader(9 + length * ADP.CharSize, TdsEnums.SQLNVARCHAR, 7, _stateObj);
_stateObj.Parser.WriteUnsignedInt(collation.info, _stateObj); // propbytes: collation.Info
_stateObj.WriteByte(collation.sortId); // propbytes: collation.SortId
_stateObj.Parser.WriteShort(length * ADP.CharSize, _stateObj); // propbyte: varlen
_stateObj.Parser.WriteString(value, length, offset, _stateObj);
}
_variantType = null;
}
else if (_isPlp)
{
// Send the string as a complete PLP chunk.
_stateObj.Parser.WriteLong(length * ADP.CharSize, _stateObj); // PLP total length
_stateObj.Parser.WriteInt(length * ADP.CharSize, _stateObj); // Chunk length
_stateObj.Parser.WriteString(value, length, offset, _stateObj); // Data
if (length != 0)
{
_stateObj.Parser.WriteInt(TdsEnums.SQL_PLP_CHUNK_TERMINATOR, _stateObj); // Terminator
}
}
else
{
_stateObj.Parser.WriteShort(length * ADP.CharSize, _stateObj);
_stateObj.Parser.WriteString(value, length, offset, _stateObj);
}
}
