public TableIndex AddIndex(ITable table, Field[] fields)
{
var index = new TableIndex(table, TableIndex.GetColumnsFromFields(fields));
AddIndex(index);
return(index);
}
static IColumn[] GetColumns(IFieldFinder finder, LambdaExpression field)
{
var body = field.Body;
Type?type = RemoveCasting(ref body);
body = IndexWhereExpressionVisitor.RemoveLiteEntity(body);
var members = Reflector.GetMemberListBase(body);
if (members.Any(a => ignoreMembers.Contains(a.Name)))
{
members = members.Where(a => !ignoreMembers.Contains(a.Name)).ToArray();
}
Field f = Schema.FindField(finder, members);
if (type != null)
{
var ib = f as FieldImplementedBy;
if (ib == null)
{
throw new InvalidOperationException("Casting only supported for {0}".FormatWith(typeof(FieldImplementedBy).Name));
}
return((from ic in ib.ImplementationColumns
where type.IsAssignableFrom(ic.Key)
select(IColumn) ic.Value).ToArray());
}
return(TableIndex.GetColumnsFromFields(f));
}
