[jira] [Commented] (CASSANDRA-19604) Add support for BETWEEN operator

["Simon Chess (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-19604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845122#comment-17845122 ] 

Simon Chess commented on CASSANDRA-19604:
-----------------------------------------

I have begun work. It is happening in [https://github.com/xvade/cassandra/tree/between].

> Add support for BETWEEN operator
> --------------------------------
>
>                 Key: CASSANDRA-19604
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19604
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL/Interpreter
>            Reporter: Benjamin Lerer
>            Assignee: Simon Chess
>            Priority: Normal
>
> CQL support the {{>=}} and {{<=}} but does not support yet the {{BETWEEN}} operator. After CASSANDRA-19341 adding new operators should be much simpler and safer than it use to be.
> For the scope of this ticket {{BETWEEN}} support should be added for {{WHERE}} clauses of {{SELECT}} and {{DELETE}} queries (for single column and multi-column restrictions). NOT BETWEEN should be added and should be supported everywhere BETWEEN is.
> +Additional information for newcomers:+
> Parts that will need to be modified:
>  * {{Lexer.g}} and {{Parser.g}} to add support for the new keyword and syntax
>  * The {{Operator.class}} to add the new {{BETWEEN}} operator
>  * Unit tests in {{SelectSingleColumnRelationTest}} and {{SelectMultiColumnRelationTest}} classes for the different types of columns (partition key, clustering, static and regular).
>  * CQLSH auto completion in {{cql3handling.py}} and test for it in {{test_cqlsh_completion.py}}
>  * Update the documentation
> Of course this is just an overview and some other parts might have to be changed as well.



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