Thomas Mueller created OAK-178:
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             Summary: Query: index definition documentation and tooling
                 Key: OAK-178
                 URL: https://issues.apache.org/jira/browse/OAK-178
             Project: Jackrabbit Oak
          Issue Type: Bug
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller


Unlike Jackrabbit 2.x, indexes in the Oak query engine are user defined, that 
means data is only indexed if there is a matching index. Those indexes are then 
automatically used for the appropriate queries. The current plan is to define 
indexes as nodes within a repository. An index is created if an index metadata 
node is created, and the index is removed if the index metadata node is 
removed. The index content is automatically updated if the content changes 
(either synchronously or asynchronously).

The location and structure of the index metadata needs to be defined and 
documented.

Also, to simplify defining and managing indexes, it may make sense to write a 
utility (helper class) for managing indexes. Internally, this utility uses the 
regular JCR API and accesses the documented index metadata nodes.


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