The Art of SQL Server FILESTREAM - Red Gate Software

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Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLNext, we will map the Items_Insert stored procedure so that it becomes the InsertFunction for the Items table. In the Mapping Details window click on the Map Entity toFunctions button, found on the right-hand side of the window (Figure 4-12).Figure 4-12:The Map Entity to Functions button.Click on the row and select Items_Insert from the drop-downlist. The parameters for the function are mapped correctly by default. In the ResultColumn Bindings node, type NewItemID (the name of the field in the return set of ourItems_Insert stored procedure) and press Enter. The designer will automatically andcorrectly map this value to the ItemID scalar property.Finally, we will map the GetSqlFileStreamInfo stored procedure to a function in thedata access layer. To add a function, right-click empty space in the Entity Model designerand click Add > Function Import. The Add Function Import dialog box (Figure 4-13)opens. Select the GetSqlFileStreamInfo stored procedure from the Stored ProcedureName drop-down list. Create a suitable name for the function, which in our example wewill keep the same as the stored procedure name.Our stored procedure returns a single row containing three columns. The structure ofthat row does not map to our Item entity though, so we will let the Entity Frameworkdesigner create a new class whose scalar properties map to the fields returned by thestored procedure.150
Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLFirst, click the Get Column Information button, then click the Create NewComplex Type button. This will automatically change the Returns a CollectionOf option group value to Complex. The designer will assign a default name ofGetSqlFileStreamInfo_Result to the new complex type.Figure 4-13:The Add Function Import dialog box.You can see the effects of these steps in the Model Browser window.151
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DBA HandbooksThe Art ofSQL Server F
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Copyright June 2012ISBN 978-1-90643
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Updating and deleting FILESTREAM da
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Creating the stored procedure to fe
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File Backups and Piecemeal Restores
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Setting Up the Server for FileTable
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Using SSMS to check that FILESTREAM
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Sven AeltermanSven Aelterman is a l
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Finding time for writing such a len
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IntroductionWhen I first started my
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The secondary audience for this boo
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Chapter 1: Storing and ManagingUnst
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Chapter 1: Storing and Managing Uns
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Setting the access levelChapter 1:
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Data usage patternsChapter 1: Stori
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Chapter 2: Getting Started with FIL
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Chapter 3: Accessing FILESTREAMData
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Chapter 6: FILESTREAM with SSIS and
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Creating a data sourceChapter 6: FI
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Chapter 7: FILESTREAM Database Admi
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Fixing corrupted dataChapter 7: FIL
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Chapter 8: Backup and Restore for F
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Chapter 9: Investigating FILESTREAM
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Chapter 10: Integrating FILESTREAMw
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Chapter 10: Integrating FILESTREAM
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Chapter 11: FileTableThe addition o
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Chapter 11: FileTableColumn Namestr
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Chapter 11: FileTableUSE NorthPoleG
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Chapter 11: FileTableMore on using
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Chapter 11: FileTableFigure 11-1:Se
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Chapter 11: FileTableperformance wh
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Chapter 11: FileTableany files or f
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Chapter 11: FileTable-- If the 'Nor
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Chapter 11: FileTableBy default, th
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Chapter 11: FileTableIt is possible
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Chapter 11: FileTableFigure 11-4:Ch
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Chapter 11: FileTableFurthermore, i
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Chapter 11: FileTableCreating folde
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Chapter 11: FileTableAdding rows us
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Chapter 11: FileTable-- Find the pa
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Chapter 11: FileTable-- Insert a ne
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Chapter 11: FileTablestring SqlText
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Chapter 11: FileTableAs a best prac
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Chapter 11: FileTableSELECT file_st
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Chapter 11: FileTable• non_transa
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Chapter 11: FileTable• filename_c
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Chapter 11: FileTableListing 11-29
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Chapter 11: FileTableLanguage suppo
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Chapter 11: FileTableInvestigating
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Chapter 12: Planning, Configuration
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Appendix A: Configuring FILESTREAMo
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Appendix A: Configuring FILESTREAM
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