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https://issues.apache.org/jira/browse/CASSANDRA-17380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Lerer updated CASSANDRA-17380:
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Mentor: Benjamin Lerer
> Add support for EXPLAIN statements
> ----------------------------------
>
> Key: CASSANDRA-17380
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17380
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benjamin Lerer
> Priority: Normal
> Labels: gsoc
>
> We should provide users a way to understand how their query will be executed
> and some information on the amount of work that will be performed.
> Explain statements are the most common way to do that.
> A CEP Draft has been open for that: [(DRAFT) CEP-4:
> Explain|https://docs.google.com/document/d/11GUzvhiMtSmlWTr3QdncHyetrlAlHn25xL6jwcoAVao/edit#heading=h.xhizycgqxoyo].
> This draft propose to add support for {{EXPLAIN}} and {{EXPLAIN ANALYZE}}
> but I believe that we should split the work in 2 parts because a simple
> {{EXPLAIN}} would already provide relevant information.
> To complete this work I believe that the following steps will be required:
> * Rework and submit the CEP
> * Add missing statistics
> * Implements the logic behind the EXPLAIN statements
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