[jira] [Updated] (CASSANDRA-17198) Allow to filter using LIKE predicates

["Benjamin Lerer (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-17198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Lerer updated CASSANDRA-17198:
---------------------------------------
    Labels: AdventCalendar2021 lhf  (was: )

> Allow to filter using LIKE predicates
> -------------------------------------
>
>                 Key: CASSANDRA-17198
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17198
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL/Syntax
>            Reporter: Benjamin Lerer
>            Priority: Normal
>              Labels: AdventCalendar2021, lhf
>
> {{LIKE}} predicates can only be used with the SASI indices. In several usecases (e.g. querying the {{settings}} virtual table) it makes sense to support them for filtering.
> + Additional information for newcomers:+
> There are some checks in the {{StatementRestrictions}} constructor and on {{LikeRestriction}} that need to be removed for allowing filtering using LIKE on clustering and regular columns.
> For filtering on partition columns the {{needFiltering}} methods in {{PartitionKeySingleRestrictionSet}} will need to be modified to return true when LIKE predicate are used.
> The unit tests should go in {{SelectTest}}.



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