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Add GetFieldValue(Async)<T> support for XmlReader, TextReader, Stream #1019

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merged 13 commits into from
Oct 6, 2021
Merged

Add GetFieldValue(Async)<T> support for XmlReader, TextReader, Stream #1019

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3f6d36a
add TextReader XmlReader and Stream to GetFieldValue(Async)
Wraith2 Mar 25, 2021
3a12c2a
make async mandatory for GetFieldValueFromSqlBufferInternal and pass …
Wraith2 Mar 29, 2021
290e673
fix async sequential null behaviour
Wraith2 Mar 31, 2021
3bd60f0
add netfx type workaround updates to match netcore
Wraith2 Mar 31, 2021
609d680
fix merge conflict
Wraith2 Aug 24, 2021
fd77237
fix merge conflict
Wraith2 Aug 24, 2021
e41b05c
address feedback
Wraith2 Jun 23, 2021
17569bc
Modify tests (#2)
cheenamalhotra Sep 29, 2021
8a6c14b
implement for netfx and enable tests
Wraith2 Sep 29, 2021
4eab8ec
add reliability section aronud internal read shortcut for netfx
Wraith2 Sep 29, 2021
9d5ace0
fix tiny typo with a big effect
Wraith2 Sep 30, 2021
b824b96
Add tests for the stream exceptions (#3)
DavoudEshtehari Oct 5, 2021
00422cf
Merge remote-tracking branch 'UpStream/main' into fix-asyncstreams
DavoudEshtehari Oct 6, 2021
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12 changes: 8 additions & 4 deletions doc/snippets/Microsoft.Data.SqlClient/SqlDataReader.xml
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Expand Up @@ -319,7 +319,8 @@
<summary>Synchronously gets the value of the specified column as a type. <see cref="M:Microsoft.Data.SqlClient.SqlDataReader.GetFieldValueAsync``1(System.Int32,System.Threading.CancellationToken)" /> is the asynchronous version of this method.</summary>
<returns>The returned type object.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
<format type="text/markdown">
<![CDATA[

## Remarks
`T` can be one of the following types:
Expand All @@ -332,7 +333,8 @@
|SqlBoolean|SqlByte|SqlDateTime|SqlDecimal|
|SqlDouble|SqlGuid|SqlInt16|SqlInt32|
|SqlInt64|SqlMoney|SqlSingle|SqlString|
|String|UDT, which can be any CLR type marked with <xref:Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute>.|||
|Stream|String|TextReader|UDT, which can be any CLR type marked with <xref:Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute>.|
|XmlReader||||

For more information, see [SqlClient Streaming Support](/sql/connect/ado-net/sqlclient-streaming-support).

Expand All @@ -359,7 +361,8 @@
<summary>Asynchronously gets the value of the specified column as a type. <see cref="M:Microsoft.Data.SqlClient.SqlDataReader.GetFieldValue``1(System.Int32)" /> is the synchronous version of this method.</summary>
<returns>The returned type object.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
<format type="text/markdown">
<![CDATA[

## Remarks
`T` can be one of the following types:
Expand All @@ -372,7 +375,8 @@
|SqlBoolean|SqlByte|SqlDateTime|SqlDecimal|
|SqlDouble|SqlGuid|SqlInt16|SqlInt32|
|SqlInt64|SqlMoney|SqlSingle|SqlString|
|String|UDT, which can be any CLR type marked with <xref:Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute>.|||
|Stream|String|TextReader|UDT, which can be any CLR type marked with <xref:Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute>.|
|XmlReader||||

For more information, see [SqlClient Streaming Support](/sql/connect/ado-net/sqlclient-streaming-support).

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2 changes: 1 addition & 1 deletion src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlCachedBuffer.cs
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Expand Up @@ -133,7 +133,7 @@ internal SqlXml ToSqlXml()
[MethodImpl(MethodImplOptions.NoInlining)]
internal XmlReader ToXmlReader()
{
return SqlTypeWorkarounds.SqlXmlCreateSqlXmlReader(ToStream(), closeInput: false);
return SqlTypeWorkarounds.SqlXmlCreateSqlXmlReader(ToStream(), closeInput: false, async: false);
}

public bool IsNull
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266 changes: 193 additions & 73 deletions src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlDataReader.cs
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22 changes: 2 additions & 20 deletions src/Microsoft.Data.SqlClient/netfx/src/Microsoft/Data/SqlClient/SqlCachedBuffer.cs
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Expand Up @@ -10,6 +10,7 @@
using System.Reflection;
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using System.Runtime.CompilerServices;
using System.Xml;
using Microsoft.Data.SqlTypes;

namespace Microsoft.Data.SqlClient
{
Expand Down Expand Up @@ -134,26 +135,7 @@ internal SqlXml ToSqlXml()
[MethodImpl(MethodImplOptions.NoInlining)]
internal XmlReader ToXmlReader()
{
//XmlTextReader xr = new XmlTextReader(fragment, XmlNodeType.Element, null);
XmlReaderSettings readerSettings = new XmlReaderSettings();
readerSettings.ConformanceLevel = ConformanceLevel.Fragment;

// Call internal XmlReader.CreateSqlReader from System.Xml.
// Signature: internal static XmlReader CreateSqlReader(Stream input, XmlReaderSettings settings, XmlParserContext inputContext);
MethodInfo createSqlReaderMethodInfo = typeof(System.Xml.XmlReader).GetMethod("CreateSqlReader", BindingFlags.Static | BindingFlags.NonPublic);
object[] args = new object[3] { ToStream(), readerSettings, null };
XmlReader xr;

new System.Security.Permissions.ReflectionPermission(System.Security.Permissions.ReflectionPermissionFlag.MemberAccess).Assert();
try
{
xr = (XmlReader)createSqlReaderMethodInfo.Invoke(null, args);
}
finally
{
System.Security.Permissions.ReflectionPermission.RevertAssert();
}
return xr;
return SqlTypeWorkarounds.SqlXmlCreateSqlXmlReader(ToStream(), closeInput: false, async: false);
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}

public bool IsNull
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