[jira] [Resolved] (CASSANDRA-5219) get_indexed_keys

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-5219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko resolved CASSANDRA-5219.
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    Resolution: Won't Fix

With Thrift deprecated now, closing the ticket.

> get_indexed_keys
> ----------------
>
>                 Key: CASSANDRA-5219
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5219
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Srdjan Mitrovic
>            Priority: Minor
>
> We would like to get the list of keys for some indexed value by using only one disk seek per node.
> Unfortunately get_indexed_slices would also read CF where keys can be in many different places so it would take many disk seeks just to get the list of keys.
> Something like get_indexed_keys(keyRange) would be very beneficial to us.
> Much better idea is to use existing 
> list<KeySlice> get_range_slices(ColumnParent column_parent, SlicePredicate predicate, KeyRange range, ConsistencyLevel consistency_level) without breaking any compatibility. 
> If SlicePredicate has empty list of columns and KeyRange has an IndexExpression then only index should be fetched to return the desired keys without touching indexed CF. 



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