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https://issues.apache.org/jira/browse/CASSANDRA-17425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17537642#comment-17537642
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Yifan Cai commented on CASSANDRA-17425:
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Started pre-commit CI:
j11:
[https://app.circleci.com/pipelines/github/yifan-c/cassandra/347/workflows/7e66281e-6309-42a8-bc44-d00f0f0a8a9b]
j8:
[https://app.circleci.com/pipelines/github/yifan-c/cassandra/347/workflows/1274f8b6-560b-4c3e-96ec-a833868246fc]
> Add new CQL function maxWritetime
> ---------------------------------
>
> Key: CASSANDRA-17425
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17425
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL/Syntax
> Reporter: Yifan Cai
> Assignee: Yifan Cai
> Priority: Normal
> Fix For: 4.x
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> The function "writetime" does not support multi-cell types, e.g. collections
> and UDT. It would be useful to enable querying the latest modified timestamp
> of a column value.
> I'd like to propose to add a new function named "maxWritetime", which returns
> the largest timestamp amongst the cells. When being applied to the single
> cell types, it returns the same result as "writetime".
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