本文整理汇总了C#中System.Data.Entity.Migrations.Infrastructure.EdmModelDiffer.First方法的典型用法代码示例。如果您正苦于以下问题：C# EdmModelDiffer.First方法的具体用法？C# EdmModelDiffer.First怎么用？C# EdmModelDiffer.First使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Entity.Migrations.Infrastructure.EdmModelDiffer的用法示例。
在下文中一共展示了EdmModelDiffer.First方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Can_detect_simple_column_rename
public void Can_detect_simple_column_rename()
{
var modelBuilder = new DbModelBuilder();
modelBuilder.Entity<MigrationsCustomer>();
var model1 = modelBuilder.Build(ProviderInfo);
modelBuilder
.Entity<MigrationsCustomer>()
.Property(p => p.Name)
.HasColumnName("col_Name")
.HasMaxLength(23);
var model2 = modelBuilder.Build(ProviderInfo);
var operations
= new EdmModelDiffer().Diff(model1.GetModel(), model2.GetModel());
Assert.Equal(2, operations.Count());
var renameColumnOperation = (RenameColumnOperation)operations.First();
Assert.Equal("dbo.MigrationsCustomers", renameColumnOperation.Table);
Assert.Equal("Name", renameColumnOperation.Name);
Assert.Equal("col_Name", renameColumnOperation.NewName);
var alterColumnOperation = (AlterColumnOperation)operations.Last();
Assert.Equal("dbo.MigrationsCustomers", alterColumnOperation.Table);
Assert.Equal("col_Name", alterColumnOperation.Column.Name);
Assert.Equal(23, alterColumnOperation.Column.MaxLength);
}示例2: Should_detect_renamed_columns_when_swapped
public void Should_detect_renamed_columns_when_swapped()
{
var modelBuilder = new DbModelBuilder();
modelBuilder.Entity<TypeWithRenames>().Ignore(t => t.Bazz);
var model1 = modelBuilder.Build(ProviderInfo);
modelBuilder = new DbModelBuilder();
modelBuilder.Entity<TypeWithRenames>().Property(t => t.Barz).HasColumnName("Bazz");
var model2 = modelBuilder.Build(ProviderInfo);
var operations
= new EdmModelDiffer().Diff(model1.GetModel(), model2.GetModel());
Assert.Equal(2, operations.Count());
var renameColumnOperation = (RenameColumnOperation)operations.First();
Assert.Equal("Barz", renameColumnOperation.Name);
Assert.Equal("Bazz", renameColumnOperation.NewName);
var addColumnOperation = (AddColumnOperation)operations.Last();
Assert.Equal("Bazz1", addColumnOperation.Column.Name);
}示例3: Extended_Table_Is_Added_And_Base_Table_Is_Left_Alone
public void Extended_Table_Is_Added_And_Base_Table_Is_Left_Alone()
{
var modelBuilder = new DbModelBuilder();
modelBuilder.Entity<PlatformUser>();
modelBuilder.Ignore<PlatformUserExtended>();
var built1 = modelBuilder.Build(ProviderInfo);
var model1 = built1.GetModel();
modelBuilder = new DbModelBuilder();
modelBuilder.Entity<PlatformUser>();
modelBuilder.Entity<PlatformUserExtended>();
var built2 = modelBuilder.Build(ProviderInfo);
var model2 = built2.GetModel();
var operations = new EdmModelDiffer().Diff(model1, model2);
Assert.Equal(3, operations.Count);
var createTableOperation = (CreateTableOperation)operations.First(o => o is CreateTableOperation);
Assert.Equal("dbo.PlatformUserExtended", createTableOperation.Name);
var createIndexOperation = (CreateIndexOperation)operations.First(o => o is CreateIndexOperation);
Assert.Equal("IX_Id", createIndexOperation.Name);
Assert.Equal("dbo.PlatformUserExtended", createIndexOperation.Table);
var addForeignKeyOperation = (AddForeignKeyOperation)operations.First(o => o is AddForeignKeyOperation);
Assert.Equal("FK_dbo.PlatformUserExtended_dbo.PlatformUser_Id", addForeignKeyOperation.Name);
Assert.Equal("dbo.PlatformUserExtended", addForeignKeyOperation.DependentTable);
Assert.Equal("dbo.PlatformUser", addForeignKeyOperation.PrincipalTable);
}