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https://issues.apache.org/jira/browse/CASSANDRA-7574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067060#comment-14067060
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Jonathan Ellis commented on CASSANDRA-7574:
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I'm not sure what problem you're trying to solve here, but adding a hardcoded
pseudo-column that gets special treatment is not a good solution.
> Support Custom Predicate in CQL SELECT for Custom Secondary Index
> ------------------------------------------------------------------
>
> Key: CASSANDRA-7574
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7574
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Yeshvanthni
> Priority: Minor
>
> The SELECT query validation limits the predicates the custom secondary index
> can support.
> Possible Approaches:
> -Introduction of a special predicate string like custom_predicate which
> by-passes validation
> CREATE CUSTOM INDEX ON table(column) USING
> 'org.example.CustomSecondaryIndex';
> Select * from table where custom_predicate="
> something_only_custom_class_understands"
> This might open up possibilities like,
> - Range queries on secondary indexed columns etc
> - Wild cards
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