Nitin Gupta created OAK-8035:
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Summary: Debug logging when two or more indices have same or very
close cost amounts doesn't work in case both indices belong to the same type of
Query Index
Key: OAK-8035
URL: https://issues.apache.org/jira/browse/OAK-8035
Project: Jackrabbit Oak
Issue Type: Bug
Components: query
Reporter: Nitin Gupta
Steps to reproduce -
# You would need two index definitions of same query index type , let's say
fullText index , having similar cost evaluations.
# Now while the index plan is evaluated you will notice that there should have
been a debug log saying that selected index has similar cost - this serves as
an important warning to either change the index definitions or the query
([https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/query/QueryImpl.java#L1069#L1072)]
However If we have a look at this code block here -
[https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/query/QueryImpl.java#L1017#L1041]
, there is no comparison for near best costs for index plans having same query
index type .
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