Ramkumar Aiyengar created SOLR-6277:
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Summary: cursorMark should have an option to allow sort without
uniqueKey
Key: SOLR-6277
URL: https://issues.apache.org/jira/browse/SOLR-6277
Project: Solr
Issue Type: Improvement
Components: search
Reporter: Ramkumar Aiyengar
Priority: Minor
Forking off discussion in SOLR-6121
By default, {{cursorMark}} requires an unique sort key as not having one can in
general can potentially lead to infinite loops of requests. But in cases where
the sort key is unique but just not the schema {{uniqueKey}} (or in some other
usage patterns where an infinite loop is not possible), it would be good to
have an expert option which bypasses this check.
Bonus: It should be possible to add information to the cookie to detect when
things are looping and return an error in such a case. This would make it safe
even if this option is specified (at the cost of leaving the error to a later
indefinite point when this condition happens depending on the data, so still
not preferable as the default).
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