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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