private static void MoveForeignKeyConstraint(
EntityType fromTable,
EntityType toTable,
ForeignKeyBuilder fk)
{
fromTable.RemoveForeignKey(fk);
if (fk.PrincipalTable == toTable && fk.DependentColumns.All <EdmProperty>((Func <EdmProperty, bool>)(c => c.IsPrimaryKeyColumn)))
{
return;
}
IList <EdmProperty> dependentColumns = ForeignKeyPrimitiveOperations.GetDependentColumns((IEnumerable <EdmProperty>)fk.DependentColumns.ToArray <EdmProperty>(), (IEnumerable <EdmProperty>)toTable.Properties);
if (ForeignKeyPrimitiveOperations.ContainsEquivalentForeignKey(toTable, fk.PrincipalTable, (IEnumerable <EdmProperty>)dependentColumns))
{
return;
}
toTable.AddForeignKey(fk);
fk.DependentColumns = (IEnumerable <EdmProperty>)dependentColumns;
}
private static void CopyForeignKeyConstraint(
EdmModel database,
EntityType toTable,
ForeignKeyBuilder fk,
Func <EdmProperty, EdmProperty> selector = null)
{
ForeignKeyBuilder foreignKeyBuilder = new ForeignKeyBuilder(database, ((IEnumerable <INamedDataModelItem>)database.EntityTypes.SelectMany <EntityType, ForeignKeyBuilder>((Func <EntityType, IEnumerable <ForeignKeyBuilder> >)(t => t.ForeignKeyBuilders))).UniquifyName(fk.Name))
{
PrincipalTable = fk.PrincipalTable,
DeleteAction = fk.DeleteAction
};
foreignKeyBuilder.SetPreferredName(fk.Name);
IList <EdmProperty> dependentColumns = ForeignKeyPrimitiveOperations.GetDependentColumns(selector != null ? fk.DependentColumns.Select <EdmProperty, EdmProperty>(selector) : fk.DependentColumns, (IEnumerable <EdmProperty>)toTable.Properties);
if (ForeignKeyPrimitiveOperations.ContainsEquivalentForeignKey(toTable, foreignKeyBuilder.PrincipalTable, (IEnumerable <EdmProperty>)dependentColumns))
{
return;
}
toTable.AddForeignKey(foreignKeyBuilder);
foreignKeyBuilder.DependentColumns = (IEnumerable <EdmProperty>)dependentColumns;
}