Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DLinq / Dlinq / SqlClient / Query / SqlTopReducer.cs / 1305376 / SqlTopReducer.cs
using System; using System.Collections.Generic; using System.Linq.Expressions; using System.Reflection; using System.Data.Linq; using System.Data.Linq.Provider; using System.Linq; namespace System.Data.Linq.SqlClient { internal class SqlTopReducer { internal static SqlNode Reduce(SqlNode node, SqlNodeAnnotations annotations, SqlFactory sql) { return new Visitor(annotations, sql).Visit(node); } class Visitor : SqlVisitor { SqlNodeAnnotations annotations; SqlFactory sql; internal Visitor(SqlNodeAnnotations annotations, SqlFactory sql) { this.annotations = annotations; this.sql = sql; } internal override SqlSelect VisitSelect(SqlSelect select) { base.VisitSelect(select); if (select.Top != null) { if (select.Top.NodeType == SqlNodeType.Value) { SqlValue val = (SqlValue)select.Top; // convert to literal value for SQL2K compatibility if (val.IsClientSpecified) { select.Top = sql.Value(val.ClrType, val.SqlType, val.Value, false, val.SourceExpression); } } else { // cannot be converted to literal value. note that this select is not SQL2K compatible this.annotations.Add(select.Top, new SqlServerCompatibilityAnnotation(Strings.SourceExpressionAnnotation(select.Top.SourceExpression), SqlProvider.ProviderMode.Sql2000)); } } return select; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ProfileGroupSettings.cs
- FontCollection.cs
- VirtualizedCellInfoCollection.cs
- HashAlgorithm.cs
- StreamUpgradeAcceptor.cs
- Control.cs
- AuthenticationConfig.cs
- DynamicRenderer.cs
- DataRowIndexBuffer.cs
- TextOptionsInternal.cs
- SystemColorTracker.cs
- _NestedMultipleAsyncResult.cs
- Model3DGroup.cs
- DrawingVisual.cs
- SortExpressionBuilder.cs
- GridViewRowPresenterBase.cs
- ColumnHeader.cs
- GenericEnumConverter.cs
- PrivateFontCollection.cs
- Timer.cs
- BitmapEffectState.cs
- BaseCAMarshaler.cs
- ToolboxControl.cs
- activationcontext.cs
- _AcceptOverlappedAsyncResult.cs
- RectangleGeometry.cs
- CustomExpression.cs
- PropertyStore.cs
- TreeViewDataItemAutomationPeer.cs
- HtmlElementErrorEventArgs.cs
- SQLInt64Storage.cs
- UnsafeNativeMethods.cs
- WizardStepCollectionEditor.cs
- InterleavedZipPartStream.cs
- ExtensionSimplifierMarkupObject.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- ProtocolProfile.cs
- HuffModule.cs
- SQLInt16.cs
- IIS7UserPrincipal.cs
- CookieProtection.cs
- DefaultPropertiesToSend.cs
- QilPatternVisitor.cs
- MiniAssembly.cs
- PrinterSettings.cs
- XmlAttributeProperties.cs
- CodeTypeDeclaration.cs
- PropertyChangedEventManager.cs
- HelpProvider.cs
- FocusManager.cs
- PhysicalOps.cs
- EntityTypeEmitter.cs
- RequestSecurityTokenResponse.cs
- OrderedDictionaryStateHelper.cs
- VectorAnimationUsingKeyFrames.cs
- UiaCoreTypesApi.cs
- PermissionSetTriple.cs
- Stylesheet.cs
- ByteConverter.cs
- CultureSpecificStringDictionary.cs
- SafeArchiveContext.cs
- securitycriticaldataformultiplegetandset.cs
- DependencyPropertyAttribute.cs
- EntityContainer.cs
- Wrapper.cs
- SystemIcons.cs
- WindowsListViewItemStartMenu.cs
- ServiceNameElement.cs
- XmlEncoding.cs
- TrackBarDesigner.cs
- DocumentPageHost.cs
- PrintingPermission.cs
- HierarchicalDataSourceControl.cs
- WeakReferenceEnumerator.cs
- RecordBuilder.cs
- ProxyWebPartManagerDesigner.cs
- listitem.cs
- COM2ExtendedUITypeEditor.cs
- PropertyDescriptorGridEntry.cs
- HttpValueCollection.cs
- DBSqlParserTable.cs
- PreviewKeyDownEventArgs.cs
- UriTemplateMatchException.cs
- KnownIds.cs
- HttpWriter.cs
- ToolStripMenuItem.cs
- PageTheme.cs
- InfoCardRSAPKCS1SignatureFormatter.cs
- DesignerAdRotatorAdapter.cs
- HotSpot.cs
- ConfigurationStrings.cs
- TaiwanCalendar.cs
- DesignerCategoryAttribute.cs
- ResetableIterator.cs
- XmlChildEnumerator.cs
- Ipv6Element.cs
- DbDataSourceEnumerator.cs
- VisualStyleElement.cs
- LineServicesRun.cs
- XamlToRtfParser.cs