Chetan Mehrotra created OAK-6487:
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Summary: IndexUpdate should not reindex newly imported index
definitions
Key: OAK-6487
URL: https://issues.apache.org/jira/browse/OAK-6487
Project: Jackrabbit Oak
Issue Type: Technical task
Components: indexing
Reporter: Chetan Mehrotra
Assignee: Chetan Mehrotra
Priority: Minor
Fix For: 1.8
IndexUpdate currently decides to reindex any index which is not found in before
state i.e. state corresponding to the last checkpointed state. This was done to
support cases like OAK-1874 where a new index may not have reindex flag set to
true.
For importing new indexed definitions i.e. where indexing is already done
out-of-band by oak-run this poses problem as this new index definition would
not be present in before state.
To account for that this logic should be changed to check if the new index
definition is already indexed or not. This can be checked by checking for
presence of any hidden node under index definitions. If present then it means
that index is already indexed so no need to reindex
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