Piotr Tajduś created OAK-8487:
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Summary: When query with OR is divided into union of queries,
orderings are lost
Key: OAK-8487
URL: https://issues.apache.org/jira/browse/OAK-8487
Project: Jackrabbit Oak
Issue Type: Bug
Components: core
Affects Versions: 1.14.0
Reporter: Piotr Tajduś
In org.apache.jackrabbit.oak.query.QueryImpl.buildAlternativeQuery() orderings
are not passed into subqueries, nor into new UnionQueryImpl (it not only
affects order, but in some cases cost of plans - in my case it caused index
traversing).
I have fixed this in my copy of sources by setting orderings on result:
{code:java}
result = newAlternativeUnionQuery(left, right);
result.setOrderings(orderings);
}
}
return result;{code}
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