// // 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]; 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]); } _eventSink = new SmiEventSink_Default(); _recordBuffer = new MemoryRecordBuffer(_columnSmiMetaData); _usesStringStorageForXml = true; _eventSink.ProcessMessagesAndThrow(); }
// // ISqlUpdateableRecord Implementation // public virtual int SetValues(params object[] values) { EnsureSubclassOverride(); if (null == values) { throw ADP.ArgumentNull("values"); } // Allow values array longer than FieldCount, just ignore the extra cells. int copyLength = (values.Length > FieldCount) ? FieldCount : values.Length; ExtendedClrTypeCode[] typeCodes = new ExtendedClrTypeCode[copyLength]; // Verify all data values as acceptable before changing current state. for (int i = 0; i < copyLength; i++) { SqlMetaData metaData = GetSqlMetaData(i); typeCodes[i] = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType( metaData.SqlDbType, false /* isMultiValued */, values[i] ); if (ExtendedClrTypeCode.Invalid == typeCodes[i]) { throw ADP.InvalidCast(); } } // Now move the data (it'll only throw if someone plays with the values array between // the validation loop and here, or if an invalid UDT was sent). for (int i = 0; i < copyLength; i++) { ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, i, GetSmiMetaData(i), values[i], typeCodes[i], 0, 0, null); } return(copyLength); }
public virtual void SetValue(int ordinal, object value) { EnsureSubclassOverride(); SqlMetaData metaData = GetSqlMetaData(ordinal); ExtendedClrTypeCode typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType( metaData.SqlDbType, false /* isMultiValued */, value ); if (ExtendedClrTypeCode.Invalid == typeCode) { throw ADP.InvalidCast(); } ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, typeCode, 0, 0, null); }
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(); _recordBuffer = recordBuffer; _eventSink.ProcessMessagesAndThrow(); }