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https://issues.apache.org/jira/browse/CASSANDRA-11434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavel Yaskevich resolved CASSANDRA-11434.
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Resolution: Fixed
+1, Committed.
> Support EQ/PREFIX queries in CONTAINS mode without tokenization by augmenting
> SA metadata per term
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-11434
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11434
> Project: Cassandra
> Issue Type: Improvement
> Components: sasi
> Reporter: Pavel Yaskevich
> Assignee: Jordan West
> Fix For: 3.6
>
>
> We can support EQ/PREFIX requests to CONTAINS indexes by tracking
> "partiality" of the data stored in the OnDiskIndex and IndexMemtable, if we
> know exactly if current match represents part of the term or it's original
> form it would be trivial to support EQ/PREFIX since PREFIX is subset of
> SUFFIX matches.
> Since we attach uint16 size to each term stored we can take advantage of sign
> bit so size of the index is not impacted at all.
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