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https://issues.apache.org/jira/browse/CASSANDRA-7026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Lerer resolved CASSANDRA-7026.
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Resolution: Later
> CQL:WHERE ... IN with full partition keys
> -----------------------------------------
>
> Key: CASSANDRA-7026
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7026
> Project: Cassandra
> Issue Type: Wish
> Components: Core
> Reporter: Dan Hunt
> Assignee: Benjamin Lerer
> Priority: Minor
> Labels: cql
>
> It would be handy to be able to pass in a list of fully qualified composite
> partition keys in an IN filter to retrieve multiple distinct rows with a
> single select. Not entirely sure how that would work. It looks like maybe
> it could be done with the existing token() function, like:
> SELECT * FROM table WHERE token(keyPartA, keyPartB) IN (token(1, 1), token(4,
> 2))
> Though, I guess you'd also want some way to pass a list of tokens to a
> prepared statement through the driver. This of course all assumes that an IN
> filter could be faster than a bunch of prepared statements, which might not
> be true.
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