Michael Marth created OAK-3839:
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Summary: Suggest missing indexes
Key: OAK-3839
URL: https://issues.apache.org/jira/browse/OAK-3839
Project: Jackrabbit Oak
Issue Type: Improvement
Components: query
Affects Versions: 1.3.13, 1.0.25, 1.2.9
Reporter: Michael Marth
For queries that lack the appropriate indexes (i.e. falling back on traversal)
it would be helpful if the query engine could suggest which index to create.
The missing index should not be created automatically and the suggestion should
only be displayed in DEBUG mode. To begin with a message in the log would be
great (we could extend with an MBean later). Also, it would be helpful to cover
the simple cases first (I imagine the implementation of a complete suggestion
mechanism could be quite complex).
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