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| CREATE DATABASE [FormulaOne]; | |
| CREATE TABLE [Drivers] ( | |
| [Id] int IDENTITY(1, 1) NOT NULL, | |
| [FirstName] varchar(32) NOT NULL, | |
| [LastName] varchar(32) NOT NULL, | |
| [ChampionTitleCount] int NOT NULL CONSTRAINT [DF_Drivers_ChampionTitleCount] DEFAULT 0, | |
| CONSTRAINT [PK_DriverId] PRIMARY KEY ([Id]) | |
| ) |
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| public class Driver | |
| { | |
| public int Id { get; set; } | |
| public string FirstName { get; set; } | |
| public string LastName { get; set; } | |
| public int ChampionTitleCount { get; set; } | |
| } |
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| var alonso = new Driver | |
| { | |
| FirstName = "Fernando", | |
| LastName = "Alonso", | |
| ChampionTitleCount = 2 | |
| }; | |
| string sql = $"INSERT INTO [Drivers] ([FirstName], [LastName], [ChampionTitleCount]) VALUES (@FirstName, @LastName, @ChampionTitleCount);"; | |
| await connection.ExecuteAsync(sql, alonso); |
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| var hamilton = new Driver | |
| { | |
| FirstName = "Lewis", | |
| LastName = "Hamilton", | |
| ChampionTitleCount = 4 | |
| }; | |
| string sql = $@"INSERT INTO [Drivers] ([FirstName], [LastName], [ChampionTitleCount]) VALUES (@FirstName, @LastName, @ChampionTitleCount); | |
| SELECT CAST(SCOPE_IDENTITY() AS int);"; |
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| string sql = $@"INSERT INTO [Drivers] ([FirstName], [LastName], [ChampionTitleCount]) VALUES (@FirstName, @LastName, @ChampionTitleCount); | |
| SELECT CAST(SCOPE_IDENTITY() AS int);"; | |
| await connection.ExecuteAsync(sql, new | |
| { | |
| FirstName = "Sebastian", | |
| LastName = "Vettel", | |
| ChampionTitleCount = 4 | |
| }); |
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| string sql = $@"SELECT [Id], [FirstName], [LastName], [ChampionTitleCount] FROM [Drivers];"; | |
| IEnumerable<Driver> drivers = (await connection.QueryAsync<Driver>(sql)); |
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| string sql = $@"SELECT [Id] FROM [Drivers] WHERE [LastName] = 'Alonso';"; | |
| int driverId = (await connection.QueryAsync<int>(sql)).FirstOrDefault(); | |
| if (driverId != default) | |
| { | |
| sql = $"INSERT INTO [Tracks] ([Title], [BestLapTimeDriverId]) VALUES ('Belgium', @DriverId);"; | |
| await connection.ExecuteAsync(sql, new { DriverId = driverId }); | |
| } |
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| string sql = $@"SELECT [Tracks].[Id], [Tracks].[Title], | |
| [Drivers].[Id], [Drivers].[FirstName], [Drivers].[LastName], [Drivers].[ChampionTitleCount] | |
| FROM [Tracks] | |
| INNER JOIN [Drivers] | |
| ON [Drivers].[Id] = [Tracks].[BestLapTimeDriverId] | |
| WHERE [Tracks].[Id] = 1;"; | |
| Track track = (await connection.QueryAsync<Track, Driver, Track>(sql, (t, d) => | |
| { | |
| t.BestLapTimeDriver = d; |
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| using Dapper.Mapper; |
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| string sql = $@"SELECT [Tracks].[Id], [Tracks].[Title], | |
| [Drivers].[Id], [Drivers].[FirstName], [Drivers].[LastName], [Drivers].[ChampionTitleCount] | |
| FROM [Tracks] | |
| INNER JOIN [Drivers] | |
| ON [Drivers].[Id] = [Tracks].[BeastLapTimeDriverId] | |
| WHERE [Tracks].[Id] = 1;"; | |
| Track track = (await connection.QueryAsync<Track, Driver>(sql)).FirstOrDefault(); |
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