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Posted to commits@cassandra.apache.org by "Berenguer Blasi (Jira)" <ji...@apache.org> on 2022/02/04 08:49:00 UTC
[jira] [Updated] (CASSANDRA-17198) Allow to filter using LIKE predicates
[ https://issues.apache.org/jira/browse/CASSANDRA-17198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Berenguer Blasi updated CASSANDRA-17198:
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Reviewers: Berenguer Blasi
> 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
> Assignee: Kanthi Subramanian
> Priority: Normal
> Labels: AdventCalendar2021, lhf
> Fix For: 4.x
>
>
> {{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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