[jira] [Commented] (CASSANDRA-11990) Address rows rather than partitions in SASI

["DOAN DuyHai (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-11990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15360655#comment-15360655 ] 

DOAN DuyHai commented on CASSANDRA-11990:
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[~ifesdjeen]  There is also a big change in {{SSTableReader}} that is required to implement this JIRA. Currently this class only exposes the method {{DecoratedKey  SSTableReader.keyAt(long indexPosition)}}. We'll need to introduce a new method {{Unfiltered SSTableReader.rowAt(long rowOffset)}}.

 Modifying the {{SSTableReader}} has a big impact on the overall storage engine 

> 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
>
> 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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