Advanced Digital Broadcast S.a.

Adam Stolcenburg

Piotr Kobzda

Tomasz Szajna

Adam Romanek

A method for determining an index of an object in a sequence of objects, the method comprising the steps of: obtaining a unique identifier value of a given object O; obtaining a query definition Q of a sequence, the Q query including an order definition according to a parameter of the O object; constructing a Q' query based on the Q query, the Q&#x2032; query being different from the Q query by having a reversed ordering of results, with respect to the Q query, and providing results having said parameter value of objects preceding or matching the parameter value of the object O in the sequence of objects in the Q query result set; executing the Q&#x2032; query by a query execution engine; checking whether the object O is present as the first item in Q&#x2032; result set and in case it is, obtaining the index of the O object in Q sequence by retrieving objects count of the Q&#x2032; result set.

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Zielona Gora, Poland

Adam Stolcenburg