Universes over BEx - LOV questions

In old school BOBJ when we build a LOV for an object you would normally use the ID (or Key) and then add the description into the LOV so when a user selects the long description actually the ID (or Key) is passed into the SQL and therefore would be more preformat.
However, what I am seeing when you build a Universe over BEx query is that the user also is presented with the LOV but the two columns are reversed and they select the Description and that is passed into the u201Cpromptu201D. Does BEx do something clever under the hood to replace the Description with the ID when executing the query or is it doing badly performing text matching ?

Hi,
LOVs generated in universes out of BEx queries are using index awareness mechanisms.
The caption is displayed to the user but the key is sent to the database.
So there is no issue in SAP BW because the right key is sent to the server.
Regards,
Didier

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http://help.sap.com/
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>
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Universes over BEx - LOV questions

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