[jira] [Created] (DIRSERVER-1965) An Index should speed up searches starting with '*'

["Ernst Bech (JIRA)" <ji...@apache.org>]

Ernst Bech created DIRSERVER-1965:
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             Summary: An Index should speed up searches starting with '*'
                 Key: DIRSERVER-1965
                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1965
             Project: Directory ApacheDS
          Issue Type: Improvement
          Components: ldap
    Affects Versions: 2.0.0-M16
         Environment: NA
            Reporter: Ernst Bech
            Priority: Blocker


As of now an index will speed up searches for an exact match string and a substring ending with a "*".

It does NOT currently speed up searches starting with a "*", which is what we need to be implemented.

Example: in our unified messaging application - when we receive an incoming call - we have to find a user whose telephone number ends with the digits signaled to us by the telephone network.
Let's say a user has a telephone number +49(777)12345678. The telephone network only signals its extension 678. We thus search for *678 to get a list of possible users and by applying some extra magic we are able to pick the right one.
The problem is: we need to do this fast, because taking the call depends on it.




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