Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Data / System / Data / SqlClient / sqlmetadatafactory.cs / 1 / sqlmetadatafactory.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// [....]
// Mugunm
//
//-----------------------------------------------------------------------------
namespace System.Data.SqlClient{
using System;
using System.Data;
using System.IO;
using System.Collections;
using System.Data.ProviderBase;
using System.Data.Common;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Globalization;
using System.Text;
using System.Xml;
using System.Xml.Schema;
internal sealed class SqlMetaDataFactory : DbMetaDataFactory{ // V1.2.3300
private const string _serverVersionNormalized90 = "09.00.0000";
private const string _serverVersionNormalized90782 = "09.00.0782";
private const string _serverVersionNormalized10 = "10.00.0000";
public SqlMetaDataFactory(Stream XMLStream,
string serverVersion,
string serverVersionNormalized):
base(XMLStream, serverVersion, serverVersionNormalized) {
}
private void addUDTsToDataTypesTable(DataTable dataTypesTable, SqlConnection connection , String ServerVersion) {
const string sqlCommand =
"select " +
"assemblies.name, " +
"types.assembly_class, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionMajor') as version_major, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionMinor') as version_minor, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionBuild') as version_build, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionRevision') as version_revision, " +
"ASSEMBLYPROPERTY(assemblies.name, 'CultureInfo') as culture_info, " +
"ASSEMBLYPROPERTY(assemblies.name, 'PublicKey') as public_key, " +
"is_nullable, " +
"is_fixed_length, " +
"max_length " +
"from sys.assemblies as assemblies join sys.assembly_types as types " +
"on assemblies.assembly_id = types.assembly_id ";
// pre 9.0/Yukon servers do not have UDTs
if (0 > string.Compare(ServerVersion, _serverVersionNormalized90, StringComparison.OrdinalIgnoreCase)){
return;
}
// Execute the SELECT statement
SqlCommand command = connection.CreateCommand();
command.CommandText = sqlCommand;
DataRow newRow = null;
DataColumn providerDbtype = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType];
DataColumn columnSize = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize];
DataColumn isFixedLength = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedLength];
DataColumn isSearchable = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable];
DataColumn isLiteralSupported = dataTypesTable.Columns[DbMetaDataColumnNames.IsLiteralSupported];
DataColumn typeName = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName];
DataColumn isNullable = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable];
if ((providerDbtype == null) ||
(columnSize == null) ||
(isFixedLength == null) ||
(isSearchable == null) ||
(isLiteralSupported == null) ||
(typeName == null) ||
(isNullable == null)) {
throw ADP.InvalidXml();
}
const int columnSizeIndex = 10;
const int isFixedLengthIndex = 9;
const int isNullableIndex = 8;
const int assemblyNameIndex = 0;
const int assemblyClassIndex = 1;
const int versionMajorIndex = 2;
const int versionMinorIndex = 3;
const int versionBuildIndex = 4;
const int versionRevisionIndex = 5;
const int cultureInfoIndex = 6;
const int publicKeyIndex = 7;
using (IDataReader reader = command.ExecuteReader()) {
object[] values = new object[11];
while (reader.Read()) {
reader.GetValues(values);
newRow = dataTypesTable.NewRow();
newRow[providerDbtype] = SqlDbType.Udt;
if (values[columnSizeIndex] != DBNull.Value) {
newRow[columnSize] = values[columnSizeIndex];
}
if (values[isFixedLengthIndex] != DBNull.Value) {
newRow[isFixedLength] = values[isFixedLengthIndex];
}
newRow[isSearchable] = true;
newRow[isLiteralSupported] = false;
if (values[isNullableIndex] != DBNull.Value) {
newRow[isNullable] = values[isNullableIndex];
}
if ((values[assemblyNameIndex] != DBNull.Value) &&
(values[assemblyClassIndex] != DBNull.Value) &&
(values[versionMajorIndex] != DBNull.Value) &&
(values[versionMinorIndex] != DBNull.Value) &&
(values[versionBuildIndex] != DBNull.Value) &&
(values[versionRevisionIndex] != DBNull.Value)) {
StringBuilder nameString = new StringBuilder();
nameString.Append(values[assemblyClassIndex].ToString());
nameString.Append(", ");
nameString.Append(values[assemblyNameIndex].ToString());
nameString.Append(", Version=");
nameString.Append(values[versionMajorIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionMinorIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionBuildIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionRevisionIndex].ToString());
if (values[cultureInfoIndex] != DBNull.Value) {
nameString.Append(", Culture=");
nameString.Append(values[cultureInfoIndex].ToString());
}
if (values[publicKeyIndex] != DBNull.Value) {
nameString.Append(", PublicKeyToken=");
StringBuilder resultString = new StringBuilder();
Byte[] byteArrayValue = (Byte[])values[publicKeyIndex];
foreach (byte b in byteArrayValue) {
resultString.Append(String.Format((IFormatProvider)null, "{0,-2:x2}", b));
}
nameString.Append(resultString.ToString());
}
newRow[typeName] = nameString.ToString();
dataTypesTable.Rows.Add(newRow);
newRow.AcceptChanges();
} // if assembly name
}//end while
} // end using
}
private void AddTVPsToDataTypesTable(DataTable dataTypesTable, SqlConnection connection , String ServerVersion) {
const string sqlCommand =
"select " +
"name, " +
"is_nullable, " +
"max_length " +
"from sys.types " +
"where is_table_type = 1";
//
if (0 > string.Compare(ServerVersion, _serverVersionNormalized10, StringComparison.OrdinalIgnoreCase)){
return;
}
// Execute the SELECT statement
SqlCommand command = connection.CreateCommand();
command.CommandText = sqlCommand;
DataRow newRow = null;
DataColumn providerDbtype = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType];
DataColumn columnSize = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize];
DataColumn isSearchable = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable];
DataColumn isLiteralSupported = dataTypesTable.Columns[DbMetaDataColumnNames.IsLiteralSupported];
DataColumn typeName = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName];
DataColumn isNullable = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable];
if ((providerDbtype == null) ||
(columnSize == null) ||
(isSearchable == null) ||
(isLiteralSupported == null) ||
(typeName == null) ||
(isNullable == null)) {
throw ADP.InvalidXml();
}
const int columnSizeIndex = 2;
const int isNullableIndex = 1;
const int typeNameIndex = 0;
using (IDataReader reader = command.ExecuteReader()) {
object[] values = new object[11];
while (reader.Read()) {
reader.GetValues(values);
newRow = dataTypesTable.NewRow();
newRow[providerDbtype] = SqlDbType.Structured;
if (values[columnSizeIndex] != DBNull.Value) {
newRow[columnSize] = values[columnSizeIndex];
}
newRow[isSearchable] = false;
newRow[isLiteralSupported] = false;
if (values[isNullableIndex] != DBNull.Value) {
newRow[isNullable] = values[isNullableIndex];
}
if (values[typeNameIndex] != DBNull.Value) {
newRow[typeName] = values[typeNameIndex];
dataTypesTable.Rows.Add(newRow);
newRow.AcceptChanges();
} // if type name
}//end while
} // end using
}
private DataTable GetDataTypesTable(SqlConnection connection){
// verify the existance of the table in the data set
DataTable dataTypesTable = CollectionDataSet.Tables[DbMetaDataCollectionNames.DataTypes];
if (dataTypesTable == null){
throw ADP.UnableToBuildCollection(DbMetaDataCollectionNames.DataTypes);
}
// copy the table filtering out any rows that don't apply to tho current version of the prrovider
dataTypesTable = CloneAndFilterCollection(DbMetaDataCollectionNames.DataTypes, null);
addUDTsToDataTypesTable(dataTypesTable, connection, ServerVersionNormalized);
AddTVPsToDataTypesTable(dataTypesTable, connection, ServerVersionNormalized);
dataTypesTable.AcceptChanges();
return dataTypesTable;
}
protected override DataTable PrepareCollection(String collectionName, String[] restrictions, DbConnection connection){
SqlConnection sqlConnection = (SqlConnection) connection;
DataTable resultTable = null;
if (collectionName == DbMetaDataCollectionNames.DataTypes){
if (ADP.IsEmptyArray(restrictions) == false) {
throw ADP.TooManyRestrictions(DbMetaDataCollectionNames.DataTypes);
}
resultTable = GetDataTypesTable(sqlConnection);
}
if (resultTable == null){
throw ADP.UnableToBuildCollection(collectionName);
}
return resultTable;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// [....]
// Mugunm
//
//-----------------------------------------------------------------------------
namespace System.Data.SqlClient{
using System;
using System.Data;
using System.IO;
using System.Collections;
using System.Data.ProviderBase;
using System.Data.Common;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Globalization;
using System.Text;
using System.Xml;
using System.Xml.Schema;
internal sealed class SqlMetaDataFactory : DbMetaDataFactory{ // V1.2.3300
private const string _serverVersionNormalized90 = "09.00.0000";
private const string _serverVersionNormalized90782 = "09.00.0782";
private const string _serverVersionNormalized10 = "10.00.0000";
public SqlMetaDataFactory(Stream XMLStream,
string serverVersion,
string serverVersionNormalized):
base(XMLStream, serverVersion, serverVersionNormalized) {
}
private void addUDTsToDataTypesTable(DataTable dataTypesTable, SqlConnection connection , String ServerVersion) {
const string sqlCommand =
"select " +
"assemblies.name, " +
"types.assembly_class, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionMajor') as version_major, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionMinor') as version_minor, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionBuild') as version_build, " +
"ASSEMBLYPROPERTY(assemblies.name, 'VersionRevision') as version_revision, " +
"ASSEMBLYPROPERTY(assemblies.name, 'CultureInfo') as culture_info, " +
"ASSEMBLYPROPERTY(assemblies.name, 'PublicKey') as public_key, " +
"is_nullable, " +
"is_fixed_length, " +
"max_length " +
"from sys.assemblies as assemblies join sys.assembly_types as types " +
"on assemblies.assembly_id = types.assembly_id ";
// pre 9.0/Yukon servers do not have UDTs
if (0 > string.Compare(ServerVersion, _serverVersionNormalized90, StringComparison.OrdinalIgnoreCase)){
return;
}
// Execute the SELECT statement
SqlCommand command = connection.CreateCommand();
command.CommandText = sqlCommand;
DataRow newRow = null;
DataColumn providerDbtype = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType];
DataColumn columnSize = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize];
DataColumn isFixedLength = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedLength];
DataColumn isSearchable = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable];
DataColumn isLiteralSupported = dataTypesTable.Columns[DbMetaDataColumnNames.IsLiteralSupported];
DataColumn typeName = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName];
DataColumn isNullable = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable];
if ((providerDbtype == null) ||
(columnSize == null) ||
(isFixedLength == null) ||
(isSearchable == null) ||
(isLiteralSupported == null) ||
(typeName == null) ||
(isNullable == null)) {
throw ADP.InvalidXml();
}
const int columnSizeIndex = 10;
const int isFixedLengthIndex = 9;
const int isNullableIndex = 8;
const int assemblyNameIndex = 0;
const int assemblyClassIndex = 1;
const int versionMajorIndex = 2;
const int versionMinorIndex = 3;
const int versionBuildIndex = 4;
const int versionRevisionIndex = 5;
const int cultureInfoIndex = 6;
const int publicKeyIndex = 7;
using (IDataReader reader = command.ExecuteReader()) {
object[] values = new object[11];
while (reader.Read()) {
reader.GetValues(values);
newRow = dataTypesTable.NewRow();
newRow[providerDbtype] = SqlDbType.Udt;
if (values[columnSizeIndex] != DBNull.Value) {
newRow[columnSize] = values[columnSizeIndex];
}
if (values[isFixedLengthIndex] != DBNull.Value) {
newRow[isFixedLength] = values[isFixedLengthIndex];
}
newRow[isSearchable] = true;
newRow[isLiteralSupported] = false;
if (values[isNullableIndex] != DBNull.Value) {
newRow[isNullable] = values[isNullableIndex];
}
if ((values[assemblyNameIndex] != DBNull.Value) &&
(values[assemblyClassIndex] != DBNull.Value) &&
(values[versionMajorIndex] != DBNull.Value) &&
(values[versionMinorIndex] != DBNull.Value) &&
(values[versionBuildIndex] != DBNull.Value) &&
(values[versionRevisionIndex] != DBNull.Value)) {
StringBuilder nameString = new StringBuilder();
nameString.Append(values[assemblyClassIndex].ToString());
nameString.Append(", ");
nameString.Append(values[assemblyNameIndex].ToString());
nameString.Append(", Version=");
nameString.Append(values[versionMajorIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionMinorIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionBuildIndex].ToString());
nameString.Append(".");
nameString.Append(values[versionRevisionIndex].ToString());
if (values[cultureInfoIndex] != DBNull.Value) {
nameString.Append(", Culture=");
nameString.Append(values[cultureInfoIndex].ToString());
}
if (values[publicKeyIndex] != DBNull.Value) {
nameString.Append(", PublicKeyToken=");
StringBuilder resultString = new StringBuilder();
Byte[] byteArrayValue = (Byte[])values[publicKeyIndex];
foreach (byte b in byteArrayValue) {
resultString.Append(String.Format((IFormatProvider)null, "{0,-2:x2}", b));
}
nameString.Append(resultString.ToString());
}
newRow[typeName] = nameString.ToString();
dataTypesTable.Rows.Add(newRow);
newRow.AcceptChanges();
} // if assembly name
}//end while
} // end using
}
private void AddTVPsToDataTypesTable(DataTable dataTypesTable, SqlConnection connection , String ServerVersion) {
const string sqlCommand =
"select " +
"name, " +
"is_nullable, " +
"max_length " +
"from sys.types " +
"where is_table_type = 1";
//
if (0 > string.Compare(ServerVersion, _serverVersionNormalized10, StringComparison.OrdinalIgnoreCase)){
return;
}
// Execute the SELECT statement
SqlCommand command = connection.CreateCommand();
command.CommandText = sqlCommand;
DataRow newRow = null;
DataColumn providerDbtype = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType];
DataColumn columnSize = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize];
DataColumn isSearchable = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable];
DataColumn isLiteralSupported = dataTypesTable.Columns[DbMetaDataColumnNames.IsLiteralSupported];
DataColumn typeName = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName];
DataColumn isNullable = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable];
if ((providerDbtype == null) ||
(columnSize == null) ||
(isSearchable == null) ||
(isLiteralSupported == null) ||
(typeName == null) ||
(isNullable == null)) {
throw ADP.InvalidXml();
}
const int columnSizeIndex = 2;
const int isNullableIndex = 1;
const int typeNameIndex = 0;
using (IDataReader reader = command.ExecuteReader()) {
object[] values = new object[11];
while (reader.Read()) {
reader.GetValues(values);
newRow = dataTypesTable.NewRow();
newRow[providerDbtype] = SqlDbType.Structured;
if (values[columnSizeIndex] != DBNull.Value) {
newRow[columnSize] = values[columnSizeIndex];
}
newRow[isSearchable] = false;
newRow[isLiteralSupported] = false;
if (values[isNullableIndex] != DBNull.Value) {
newRow[isNullable] = values[isNullableIndex];
}
if (values[typeNameIndex] != DBNull.Value) {
newRow[typeName] = values[typeNameIndex];
dataTypesTable.Rows.Add(newRow);
newRow.AcceptChanges();
} // if type name
}//end while
} // end using
}
private DataTable GetDataTypesTable(SqlConnection connection){
// verify the existance of the table in the data set
DataTable dataTypesTable = CollectionDataSet.Tables[DbMetaDataCollectionNames.DataTypes];
if (dataTypesTable == null){
throw ADP.UnableToBuildCollection(DbMetaDataCollectionNames.DataTypes);
}
// copy the table filtering out any rows that don't apply to tho current version of the prrovider
dataTypesTable = CloneAndFilterCollection(DbMetaDataCollectionNames.DataTypes, null);
addUDTsToDataTypesTable(dataTypesTable, connection, ServerVersionNormalized);
AddTVPsToDataTypesTable(dataTypesTable, connection, ServerVersionNormalized);
dataTypesTable.AcceptChanges();
return dataTypesTable;
}
protected override DataTable PrepareCollection(String collectionName, String[] restrictions, DbConnection connection){
SqlConnection sqlConnection = (SqlConnection) connection;
DataTable resultTable = null;
if (collectionName == DbMetaDataCollectionNames.DataTypes){
if (ADP.IsEmptyArray(restrictions) == false) {
throw ADP.TooManyRestrictions(DbMetaDataCollectionNames.DataTypes);
}
resultTable = GetDataTypesTable(sqlConnection);
}
if (resultTable == null){
throw ADP.UnableToBuildCollection(collectionName);
}
return resultTable;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- StorageEntityContainerMapping.cs
- SoapSchemaMember.cs
- TableItemStyle.cs
- StaticExtension.cs
- ControlPaint.cs
- BinaryConverter.cs
- CaseExpr.cs
- QueryContinueDragEvent.cs
- XmlNode.cs
- CurrentTimeZone.cs
- MemberJoinTreeNode.cs
- TextBoxAutomationPeer.cs
- IDispatchConstantAttribute.cs
- MasterPageCodeDomTreeGenerator.cs
- cookieexception.cs
- SqlNotificationRequest.cs
- DataGridViewCellConverter.cs
- FolderLevelBuildProviderCollection.cs
- EdmMember.cs
- SystemDropShadowChrome.cs
- NamespaceInfo.cs
- ActionNotSupportedException.cs
- SortedList.cs
- HtmlShimManager.cs
- ViewPort3D.cs
- SoapIncludeAttribute.cs
- SinglePageViewer.cs
- CustomAttributeFormatException.cs
- QuaternionAnimation.cs
- AdornerPresentationContext.cs
- Adorner.cs
- ConvertersCollection.cs
- SystemWebCachingSectionGroup.cs
- ValueUtilsSmi.cs
- DataRelationPropertyDescriptor.cs
- DoubleUtil.cs
- datacache.cs
- ManifestResourceInfo.cs
- MenuItem.cs
- DataGridViewTextBoxCell.cs
- ILGenerator.cs
- Int32AnimationBase.cs
- XmlSerializableWriter.cs
- ScrollViewerAutomationPeer.cs
- PointLightBase.cs
- CodeArrayCreateExpression.cs
- HebrewCalendar.cs
- Span.cs
- ServiceOperationInvoker.cs
- EventItfInfo.cs
- HttpHandlerAction.cs
- DataObject.cs
- LinearGradientBrush.cs
- Literal.cs
- NavigationWindow.cs
- FormViewModeEventArgs.cs
- ImageInfo.cs
- Axis.cs
- XPathDocumentBuilder.cs
- Menu.cs
- ObsoleteAttribute.cs
- DataStorage.cs
- ZoneMembershipCondition.cs
- BaseCodePageEncoding.cs
- PropertyExpression.cs
- control.ime.cs
- UserPreferenceChangingEventArgs.cs
- RangeBase.cs
- MemberJoinTreeNode.cs
- ALinqExpressionVisitor.cs
- X509IssuerSerialKeyIdentifierClause.cs
- DocumentViewerHelper.cs
- EditorPartCollection.cs
- RenderCapability.cs
- JoinGraph.cs
- documentsequencetextview.cs
- ClientSettingsStore.cs
- Bind.cs
- ImageAnimator.cs
- ToolBarButtonClickEvent.cs
- InternalTransaction.cs
- StateManager.cs
- ServiceManager.cs
- SqlDataSourceConfigureFilterForm.cs
- SqlEnums.cs
- RuntimeHelpers.cs
- HtmlMeta.cs
- MarkupCompilePass1.cs
- RadioButton.cs
- StringBuilder.cs
- StyleSheetDesigner.cs
- StringUtil.cs
- Image.cs
- MinimizableAttributeTypeConverter.cs
- DataServiceEntityAttribute.cs
- UDPClient.cs
- TabletDeviceInfo.cs
- XmlMemberMapping.cs
- ExceptionUtility.cs
- Object.cs