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https://issues.apache.org/jira/browse/FLINK-38042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Etienne Chauchot resolved FLINK-38042.
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Fix Version/s: cassandra-3.3.0
Resolution: Fixed
> Warn the user on full table scans
> ---------------------------------
>
> Key: FLINK-38042
> URL: https://issues.apache.org/jira/browse/FLINK-38042
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Cassandra
> Reporter: Etienne Chauchot
> Assignee: Etienne Chauchot
> Priority: Major
> Labels: pull-request-available
> Fix For: cassandra-3.3.0
>
>
> The Cassandra source connector allows the user to specify a query. This query
> can contain filters on the provided table. So these filters are pushed down
> but in some cases, they could lead to inefficient table scans:
> - Filtering on non-indexed, non-key columns (columns members of the primary
> key)
> - not restricting on partition key leads the cluster to read all the
> partitions
> We should detect such cases and warn the user.
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