Index. Holger Schwichtenberg 2018 H. Schwichtenberg, Modern Data Access with Entity Framework Core,

Size: px

Start display at page:

Download "Index. Holger Schwichtenberg 2018 H. Schwichtenberg, Modern Data Access with Entity Framework Core,"

Toby Harrell
5 years ago
Views:

1 A Aggregate functions, 172 Alternative key HasAlternateKey(), 348 Microsoft SQL Server Management Studio, 348, 350 Project EFC_MappingTest, 350 unique index vs., 347 Analysis functions, ASP.NET Core application, 14 assemblies, 39 dependency injection ApplicationDbContext, 589 ApplicationUser class, 588 database, local users, 588 DbContext pooling, 592 FlightManager class, Individual User Accounts, 587 Startup.cs, 589 WWWingsController class, 591 MiracleList (see MiracleList) Asynchronous extension methods ForEachAsync(), 291 SaveChangesAsync(), ToListAsync(), Attach() method, AutoMapper BeforeMap() and AfterMap(), 539 class-based type converter, 527 conventions, DTOs, 501, ForMember() method, 522 generic class lists, parameters, for partnership, 535 Ignore() method, 522 inheritance class hierarchy for, 529 DTO class, 529 Include() methods, 531 manual mapping configuration, 531 Initialize(), 511 Map() method, method-based type converter, NET variants, 507 nonstatic API, 513 NuGet package, 507 profile class, 521 with reflection and explicit mapping, ReverseMap() method, 512 SeparatorCharacter, SplittingExpression, 519 string, 525 value resolver class, 525 Holger Schwichtenberg 2018 H. Schwichtenberg, Modern Data Access with Entity Framework Core, 635

2 AutoMapper (cont.) volumes, 528 World Wide Wings version 2 object model, 508 Auxiliary class, 422 B Batching, 213 Bulk operations EFPlus bulk update with, 393 lambda expression, mass deletion with, single delete, using classic SQL, using pseudo-objects, with/without batching, C Caching anonymous function, 420 auxiliary class, 422 CacheManager, 422 Get() method, 418, 420 MemoryCache, System.Runtime.Caching, 415 Cascading delete Master class, 357 OnDelete() method, 357 settings and effects, 356 Computed columns calculation formula create, reverse engineering, 329 utilization column, automatic SELECT, Context class dotconnect for Oracle, LINQPad tool, 459, 461 D Database management system (DBMS), 7, 34, 131 Database schema AircraftType and Aircraft TypeDetail, bidirectional relationships, 101 1:1 relationship, unidirectional relationships, 101 columns in table, 91 convention vs. configuration, foreign key, indexes, length limitation, 95 migrations Add-Migration, 123 BuildTargetModel() method, 116 commands, Down() method, 116 ef.exe, 114 EnsureCreated() method, Migrate() method, 128 PMC, Remove-Migration, 125 Script-Migration, Seed() method, 117 Snapshot class, 117 target database, 127 TFS, 127 Up() method, 116, 124 Update-Database, , 125 v2, 119 names in,

3 .NET data types to column types, nullable value types, 94 persistent vs. transient classes, primary key, 95 rules for, viewing, Database views in context class, 366 create entity class, create schema migration, CreateTable(), development time, 369 mapping of, 364 SaveChanges(), 367 SQL command, 365 Data Manipulation Language (DML), 315 Data transfer object (DTO), 147, 501, 503 Default values in constructor, 333 for forward engineering, for reverse engineering, 334 ValueOnAdd, Delayed loading, 415 Delivers flight records, Directed Graph Markup Language (DGML), dotconnect for Oracle context class, data types, entity class, 497 installation, 496 tools, 496 E Eager loading, 184, 190, 414 EFC_Tools.csproj, 38 Employee, entity class, 70 EnsureCreated() method, 81 Entity class, 89 Entity data model (EDM), 9, 61 Entity Developer tool artifacts, 469 code generation template, configure new properties, create new properties, diagram content, 473 entity class, 482 graphical designer, mapping stored procedure, 476 Model menu, 482 Model First Settings, 480 model properties, 471 naming conventions, 470.NET attribute, 482 ORM techniques, process model, 468 product variants, Entity Framework Core application area, 14 features advantages, 13 high-priority, missing, removal, x/2.0. Microsoft, 8 N:M relationship, process models ADO.NET Entity Framework, 32 code-based modeling, 32 databases, 31 EnsureCreated(), 31 forward vs. reverse engineering, object model, 31 schema migration,

4 Entity Framework Core (cont.) versions, 4 5 version 1. x/2.0, 14 Entity Framework Core Power Tools add-on, 447 DGML file, reverse engineering, Visual Studio 2017, 447 Entity Framework Plus (EFPlus) bulk update with, 393 EFSecondLevelCache.Core, 500 features, future queries, 374 lambda expression, mass deletion with, second-level caching, , 500 Entity Framework Profiler tool alerts and suggestions, analysis functions, command line, 494 database management system, display results, 492 integrating, 488 licensing options, 488 object context, 489 Explicit loading, 184, 187 Expression trees with condition, 297 SortedDictionary, F Flight object Add() method, 213 add new record, AddRange() method, 213 add timestamps, assignment of new Pilot to, bidirectional relationship, 218 change Booking table, ChangeTracker object, 242 [ConcurrencyCheck], 255 ConcurrencyNoCheck, ConcurrencyNoCheck Attribute, conflict detection and resolution, contradictory relationships, 225 create new pilot s flight, ctx.database.begintransaction() method, deleting objects database transactions, with dummy object, mass deletion, 237 Remove() method, SaveChanges(), to FlightView, 516 foreach loop, GetFlight(), 476 ideal case, 222 IQuerable <Flight>, 136 LINQ commands, listing all changed objects, list of, list of booked passengers, nonbooked, OnModelCreating(), Pilot object, cache, and copilot information, FlightAsPilotSet, 197 flying.pilot, 197 and related objects, 185 SaveChanges() method, SELECT command,

5 unbooked, update command, 252 using IsConcurrencyToken(), 256 Fluent API bulk configuration with, in Entity Framework Core context class, EnsureCreated() method, 81 error, 82 FlightID, 82 modelbuilder object, 81 navigation properties, 81.NET Core console app, 85 OnModelCreating(), 82 PersonID, 82 syntax options for configuration classes, lambda expression, 106 sequential configuration, 105 subroutines, 107 foreach loop, 214 Foreign key assignment, 381 shadow key property of, 383 Forward engineering, Future queries, 374 G, H Global query filters explicit load, 371 HasQueryFilter(), 370 IgnoreQueryFilters(), 372 LINQ query, 371 multitenancy, 370 soft delete, 370 for SQL queries, 373 TVFs, 373 I, J, K Injection attack, Installation new version database driver, 24 Entity Framework Core 2.0, 24 error message, 25 graphical update, NuGet packages, 24 Microsoft.AspNetCore, 26 Microsoft.EntityFrameworkCore. SqlServer.Design, 27.NET Core version 2.0, 29.NET version, 25 NuGet packages, 23 Reference Manager, 27 NuGet packages (see NuGet packages) PowerShell cmdlet, 19, Internet resources, 631 L Lambda expressions, 106, Language Integrated Query (LINQ) aggregate functions, 130, 172 benefits of, 295 condition for departure/ destination, conditions (where), 168 ConfigureWarnings() method, contains (in), 169 conversion operator, 130 convert query to set of objects, 167 create schema migration class, database management system, 131 database views,

6 Language Integrated Query (LINQ) (cont.) DbContext class, 129 entity class, expression trees, 130 SortedDictionary, with condition, 297 Find() method, foreach loop, 130 FreeSeats column, GroupBy, groupings, IQuerable <Flight>, 136 join operations cross, with grouping, inner, 177 LINQPad (see LINQPad tool) number of flights per departure, object model, 166 OnModelCreating(), 164 operations, with paging, , projection to anonymous type, DTO, 147 to entity type, 144 query, related objects, repository class, 136 shadow properties, 321 single objects, sorts, and SQL, subqueries, ToList(), Union(), 154 using dynamic, var keyword, 135 Lazy loading demo, detail records, 187 master records, 187 LINQPad tool add driver for, with class definition, 463 context class, , 461 execute LINQ commands, linq extension, 462 select driver, 457 supporting syntax, 455 test program for, 462 version 5, 455 Log() extension method categories, default logging for, 277 for EF core, 278 M Materialization, 35 MemoryCache, Metadata, 328 Microsoft.EntityFrameworkCore.Tools package, 39 Microsoft SQL Server Compact 3.5, 16 Microsoft SQL Server Compact 4.0, 16 MiracleList back end, business logic DataManagerBase.cs, EntityBaseManager.cs, TaskManager.cs, client for Android,

7 context class, desktop client for Windows, 544 HTTP request, object model, 549 Category.cs, 551 Client.cs, 552 Importance.cs, 550 SubTask.cs, Task.cs, task categories, 543 techniques, 547 Web API components, 572 MiracleListApiController.cs, REST services, Startup.cs, web application, 544 web interface of back end, Wunderlist task management app, 543 Multitenancy, 370 N Navigation properties, NET Core Tool dotnet dotnet.exe, 58 Entity Framework Core 1. x, 57 generation works, 56 Linux and macos, 56 manual extension,.csproj file, 57 XML-based.csproj project file, NET primitive data types, 64.NET Standard 2.0, 5 6 Nonentity class, No-tracking mode AsNoTracking(), 395 AsTracking(), 411 Attach(), , code-behind class, 406 consequences of, 413 data grid, performance comparison, 394 QueryTrackingBehavior, 411 QueryTrackingBehavior.NoTracking, 414 XAML code, 404 NuGet packages, 38 ASP.NET Core web application, 15 design, 17 nuget.org, self-created context class, O Object-oriented databases (OODBs), 1 Object-oriented programming (OOP), 1 Object-relational mapper construction, OOP, 2 definition, 487 impedance mismatch, 1.NET, 3 4 N:M relationship, 2 OODBs, 1 OOP, 1 query languages, 487 translation, concepts, 1 Object-to-object mapping (OOM) AutoMapper (see AutoMapper) reflection, 504 OnConfiguring() method, 76 OnModelCreating() method, 82 Optimistic locking, 251, Oracle Database Driver, see dotconnect for Oracle ORM techniques,

8 P Package Manager Console (PMC), Performance tuning comparison of various data access, NET, no-tracking (see No-tracking mode) object assignment foreign key property, object reference, 380 shadow key property, 383 process model for optimization, 377 testing, 378 Persistent class, Plain old CLR objects (POCOs), 242 PostgreSQL, 17 PowerShell cmdlets ASP.NET Core project, 39 EFC_WWWWingsV1_Reverse.csproj, 38 Microsoft.EntityFrameworkCore.Tools package, 39.NET Framework console application, 38 NuGet packages, 38 Scaffold-DbContext, 40 Q Query language Entity SQL (ESQL), 10 R Relationship fixup, 223 comparing cases 3a and 3b, 199 foreign key, LINQ query, 202 navigation property, 197 positive effect, 205 SELECT commands, Reverse engineering of existing databases code generation ADO.NET Entity Framework, 44 database, 42 NuGet Package Manager Console, object model, 44 parameters, 41 sample database, Scaffold-DbContext cmdlet, schemas, 41 Entity Framework Core model, 55 generated program code classic Entity Framework, 46 Context class, entity class Flight, 53 entity class Passenger, 54 Fluent API configuration, object model, 45 OnModelCreating() method, 45 source, 47.NET Core Tool dotnet, 56 PowerShell cmdlets, RAM with LINQ, 54 sample client, 55 tools, 37 weaknesses, S SaveChanges() method, Second-level caching, Self-created context class base class, 74 basic configuration,

9 connection string, 77 constructor, 74 NuGet package, provider and connection String, 75 references, 75 thread safety, 78 Self-created entity classes Booking class, data annotation properties, 64 data types, 64 employee, 70 flight, inheritance, 66 NuGet packages, 64 passenger, person, 69 Pilot class, POCOs, 64 PK, 66 relationships, World Wide Wings instance, 67 Sequence objects (sequences) creating and applying, Project EFC_MappingTest, 343 properties, 340 Shadow properties automatic, definition, 318 LINQ queries, 321 output, 319 read and change, SaveChanges() method, 322 Soft delete, 370 Software architecture business logic, business objects and ViewModel classes, data access layer, distribution system, monolithic model, SQL DML, 315 injection attack, with parameter, 308 SQLite, 16, 38 third variant of, 307 using LINQ, Stored procedures, T Table per concrete type (TPC), 86 Table per hierarchy (TPH), 86 Table splitting, 335 Table-valued functions (TVFs) global query filters, 373 stored procedures and, Team Foundation Server (TFS), 127 Thread safety, 78 Transient class, U Unicorn, 631 Universal Windows Platform (UWP) App.xaml.cs file, context class, data access code, DB Browser for SQLite, entity classes, MiracleList Light app, project structure, user interface, UseSqlServer(),

10 V ValueGenerated(), 328 ValueGeneratedOnAddOr Update(), 262 Visual studio versions, 6 W World Wide Wings object model, 62 World Wide Wings version 2 object model, 508 X, Y, Z Xamarin app App.xaml.cs file, architecture, context class, data access code, entity class, 611 Forms based UI, generated database, 615 MiracleList Light app Android, 609 Windows 10, 608 UWP XAML vs. Xamarin Forms XAML, 620,

EF6 - Version: 1. Entity Framework 6

EF6 - Version: 1. Entity Framework 6 EF6 - Version: 1 Entity Framework 6 Entity Framework 6 EF6 - Version: 1 4 days Course Description: Entity Framework is the new ORM and data access technology introduced by Microsoft. Entity framework provides