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| 1 | +// Licensed to the .NET Foundation under one or more agreements. |
| 2 | +// The .NET Foundation licenses this file to you under the MIT license. |
| 3 | +// See the LICENSE file in the project root for more information. |
| 4 | + |
| 5 | +using System; |
| 6 | +using System.Data; |
| 7 | +using System.Data.SqlTypes; |
| 8 | +using Microsoft.Data.Common; |
| 9 | + |
| 10 | +namespace Microsoft.Data.SqlClient.Server |
| 11 | +{ |
| 12 | + /// <include file='../../../../../../../doc/snippets/Microsoft.Data.SqlClient.Server/SqlDataRecord.xml' path='docs/members[@name="SqlDataRecord"]/SqlDataRecord/*' /> |
| 13 | + public partial class SqlDataRecord : IDataRecord |
| 14 | + { |
| 15 | + private readonly SmiContext _recordContext; |
| 16 | + |
| 17 | + private Type GetFieldTypeFrameworkSpecific(int ordinal) |
| 18 | + { |
| 19 | + SqlMetaData md = GetSqlMetaData(ordinal); |
| 20 | + if (md.SqlDbType == SqlDbType.Udt) |
| 21 | + { |
| 22 | + return md.Type; |
| 23 | + } |
| 24 | + else |
| 25 | + { |
| 26 | + return MetaType.GetMetaTypeFromSqlDbType(md.SqlDbType, false).ClassType; |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + private object GetValueFrameworkSpecific(int ordinal) |
| 31 | + { |
| 32 | + SmiMetaData metaData = GetSmiMetaData(ordinal); |
| 33 | + if (SmiVersion >= SmiContextFactory.KatmaiVersion) |
| 34 | + { |
| 35 | + return ValueUtilsSmi.GetValue200(_eventSink, _recordBuffer, ordinal, metaData, _recordContext); |
| 36 | + } |
| 37 | + else |
| 38 | + { |
| 39 | + return ValueUtilsSmi.GetValue(_eventSink, _recordBuffer, ordinal, metaData, _recordContext); |
| 40 | + } |
| 41 | + } |
| 42 | + |
| 43 | + private object GetSqlValueFrameworkSpecific(int ordinal) |
| 44 | + { |
| 45 | + SmiMetaData metaData = GetSmiMetaData(ordinal); |
| 46 | + if (SmiVersion >= SmiContextFactory.KatmaiVersion) |
| 47 | + { |
| 48 | + return ValueUtilsSmi.GetSqlValue200(_eventSink, _recordBuffer, ordinal, metaData, _recordContext); |
| 49 | + } |
| 50 | + return ValueUtilsSmi.GetSqlValue(_eventSink, _recordBuffer, ordinal, metaData, _recordContext); |
| 51 | + } |
| 52 | + |
| 53 | + private SqlBytes GetSqlBytesFrameworkSpecific(int ordinal) => ValueUtilsSmi.GetSqlBytes(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), _recordContext); |
| 54 | + |
| 55 | + private SqlXml GetSqlXmlFrameworkSpecific(int ordinal) => ValueUtilsSmi.GetSqlXml(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), _recordContext); |
| 56 | + |
| 57 | + private SqlChars GetSqlCharsFrameworkSpecific(int ordinal) => ValueUtilsSmi.GetSqlChars(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), _recordContext); |
| 58 | + |
| 59 | + private int SetValuesFrameworkSpecific(params object[] values) |
| 60 | + { |
| 61 | + if (values == null) |
| 62 | + { |
| 63 | + throw ADP.ArgumentNull(nameof(values)); |
| 64 | + } |
| 65 | + |
| 66 | + // Allow values array longer than FieldCount, just ignore the extra cells. |
| 67 | + int copyLength = (values.Length > FieldCount) ? FieldCount : values.Length; |
| 68 | + |
| 69 | + ExtendedClrTypeCode[] typeCodes = new ExtendedClrTypeCode[copyLength]; |
| 70 | + |
| 71 | + // Verify all data values as acceptable before changing current state. |
| 72 | + for (int i = 0; i < copyLength; i++) |
| 73 | + { |
| 74 | + SqlMetaData metaData = GetSqlMetaData(i); |
| 75 | + typeCodes[i] = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType( |
| 76 | + metaData.SqlDbType, |
| 77 | + isMultiValued: false, |
| 78 | + values[i], |
| 79 | + metaData.Type, |
| 80 | + SmiVersion |
| 81 | + ); |
| 82 | + if (typeCodes[i] == ExtendedClrTypeCode.Invalid) |
| 83 | + { |
| 84 | + throw ADP.InvalidCast(); |
| 85 | + } |
| 86 | + } |
| 87 | + |
| 88 | + // Now move the data (it'll only throw if someone plays with the values array between |
| 89 | + // the validation loop and here, or if an invalid UDT was sent). |
| 90 | + for (int i = 0; i < copyLength; i++) |
| 91 | + { |
| 92 | + if (SmiVersion >= SmiContextFactory.KatmaiVersion) |
| 93 | + { |
| 94 | + ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, i, GetSmiMetaData(i), values[i], typeCodes[i], offset: 0, length: 0, peekAhead: null); |
| 95 | + } |
| 96 | + else |
| 97 | + { |
| 98 | + ValueUtilsSmi.SetCompatibleValue(_eventSink, _recordBuffer, i, GetSmiMetaData(i), values[i], typeCodes[i], offset: 0); |
| 99 | + } |
| 100 | + } |
| 101 | + |
| 102 | + return copyLength; |
| 103 | + } |
| 104 | + |
| 105 | + private void SetValueFrameworkSpecific(int ordinal, object value) |
| 106 | + { |
| 107 | + SqlMetaData metaData = GetSqlMetaData(ordinal); |
| 108 | + ExtendedClrTypeCode typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType( |
| 109 | + metaData.SqlDbType, |
| 110 | + isMultiValued: false, |
| 111 | + value, |
| 112 | + metaData.Type, |
| 113 | + SmiVersion |
| 114 | + ); |
| 115 | + if (typeCode == ExtendedClrTypeCode.Invalid) |
| 116 | + { |
| 117 | + throw ADP.InvalidCast(); |
| 118 | + } |
| 119 | + |
| 120 | + if (SmiVersion >= SmiContextFactory.KatmaiVersion) |
| 121 | + { |
| 122 | + ValueUtilsSmi.SetCompatibleValueV200(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, typeCode, offset: 0, length: 0, peekAhead: null); |
| 123 | + } |
| 124 | + else |
| 125 | + { |
| 126 | + ValueUtilsSmi.SetCompatibleValue(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, typeCode, offset: 0); |
| 127 | + } |
| 128 | + } |
| 129 | + |
| 130 | + private void SetTimeSpanFrameworkSpecific(int ordinal, TimeSpan value) => ValueUtilsSmi.SetTimeSpan(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, SmiVersion >= SmiContextFactory.KatmaiVersion); |
| 131 | + private void SetDateTimeOffsetFrameworkSpecific(int ordinal, DateTimeOffset value) => ValueUtilsSmi.SetDateTimeOffset(_eventSink, _recordBuffer, ordinal, GetSmiMetaData(ordinal), value, SmiVersion >= SmiContextFactory.KatmaiVersion); |
| 132 | + |
| 133 | + private ulong SmiVersion => InOutOfProcHelper.InProc ? SmiContextFactory.Instance.NegotiatedSmiVersion : SmiContextFactory.LatestVersion; |
| 134 | + } |
| 135 | +} |
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