public TableIndex AddIndex <T>(Expression <Func <T, object?> > fields,
Expression <Func <T, bool> >?where = null,
Expression <Func <T, object> >?includeFields = null) where T : Entity
{
var table = Schema.Table <T>();
IColumn[] columns = IndexKeyColumns.Split(table, fields);
var index = new TableIndex(table, columns);
if (where != null)
{
index.Where = IndexWhereExpressionVisitor.GetIndexWhere(where, table);
}
if (includeFields != null)
{
index.IncludeColumns = IndexKeyColumns.Split(table, includeFields);
if (table.SystemVersioned != null)
{
index.IncludeColumns = index.IncludeColumns.Concat(table.SystemVersioned.Columns()).ToArray();
}
}
AddIndex(index);
return(index);
}
public TableIndex AddIndexMList <T, V>(Expression <Func <T, MList <V> > > toMList,
Expression <Func <MListElement <T, V>, object> > fields,
Expression <Func <MListElement <T, V>, bool> >?where = null,
Expression <Func <MListElement <T, V>, object> >?includeFields = null)
where T : Entity
{
TableMList table = ((FieldMList)Schema.FindField(Schema.Table(typeof(T)), Reflector.GetMemberList(toMList))).TableMList;
IColumn[] columns = IndexKeyColumns.Split(table, fields);
var index = AddIndex(table, columns);
if (where != null)
{
index.Where = IndexWhereExpressionVisitor.GetIndexWhere(where, table);
}
if (includeFields != null)
{
index.IncludeColumns = IndexKeyColumns.Split(table, includeFields);
if (table.SystemVersioned != null)
{
index.IncludeColumns = index.IncludeColumns.Concat(table.SystemVersioned.Columns()).ToArray();
}
}
return(index);
}
