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https://issues.apache.org/jira/browse/CASSANDRA-11990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15389335#comment-15389335
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Alex Petrov commented on CASSANDRA-11990:
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Please note that support for reading from old version before sstables were
fully upgraded is still tbd in the branch. If everything else is settled, I'll
add the backward-compatible version, which should be quite simple (mostly
changing the size of RowOffset and reading an entire partition for that case).
> Address rows rather than partitions in SASI
> -------------------------------------------
>
> Key: CASSANDRA-11990
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11990
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL
> Reporter: Alex Petrov
> Assignee: Alex Petrov
> Attachments: perf.pdf
>
>
> Currently, the lookup in SASI index would return the key position of the
> partition. After the partition lookup, the rows are iterated and the
> operators are applied in order to filter out ones that do not match.
> bq. TokenTree which accepts variable size keys (such would enable different
> partitioners, collections support, primary key indexing etc.),
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