protected virtual IEnumerable <MigrationOperation> Add([NotNull] IForeignKey target, [NotNull] DiffContext diffContext)
{
var declaringRootEntityType = target.DeclaringEntityType.RootType();
var targetEntityTypeAnnotations = Annotations.For(declaringRootEntityType);
var targetPrincipalEntityTypeAnnotations = Annotations.For(target.PrincipalEntityType.RootType());
var operation = new AddForeignKeyOperation
{
Schema = targetEntityTypeAnnotations.Schema,
Table = targetEntityTypeAnnotations.TableName,
Name = Annotations.For(target).Name,
Columns = GetColumns(target.Properties),
PrincipalSchema = targetPrincipalEntityTypeAnnotations.Schema,
PrincipalTable = targetPrincipalEntityTypeAnnotations.TableName,
PrincipalColumns = GetColumns(target.PrincipalKey.Properties),
OnDelete = target.DeleteBehavior == DeleteBehavior.Cascade
? ReferentialAction.Cascade
: target.DeleteBehavior == DeleteBehavior.SetNull
? ReferentialAction.SetNull
: ReferentialAction.Restrict
};
CopyAnnotations(MigrationsAnnotations.For(target), operation);
var createTableOperation = diffContext.FindCreate(declaringRootEntityType);
if (createTableOperation != null)
{
createTableOperation.ForeignKeys.Add(operation);
}
else
{
yield return(operation);
}
}
protected virtual IEnumerable <MigrationOperation> Add(IForeignKey target, DiffContext diffContext)
{
var declaringRootEntityType = target.DeclaringEntityType.RootType();
var targetEntityTypeAnnotations = Annotations.For(declaringRootEntityType);
var targetPrincipalEntityTypeAnnotations = Annotations.For(target.PrincipalEntityType.RootType());
// TODO: Set OnDelete (See #1084)
var operation = new AddForeignKeyOperation
{
Schema = targetEntityTypeAnnotations.Schema,
Table = targetEntityTypeAnnotations.TableName,
Name = Annotations.For(target).Name,
Columns = GetColumns(target.Properties),
PrincipalSchema = targetPrincipalEntityTypeAnnotations.Schema,
PrincipalTable = targetPrincipalEntityTypeAnnotations.TableName,
PrincipalColumns = GetColumns(target.PrincipalKey.Properties)
};
CopyAnnotations(MigrationsAnnotations.For(target), operation);
var createTableOperation = diffContext.FindCreate(declaringRootEntityType);
if (createTableOperation != null)
{
createTableOperation.ForeignKeys.Add(operation);
}
else
{
yield return(operation);
}
}