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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11935) Add support for arithmetic operators
Date Tue, 02 Oct 2018 11:17:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16635309#comment-16635309
] 

Benedict commented on CASSANDRA-11935:
--------------------------------------

I'm not really sure how to respond to that.  I'm not trying to be harsh, and I hope Benjamin's
feelings are not the issue in question here.  

The semantic implications of the decision taken here were not expressed on JIRA, let alone
the mailing list, so the likelihood of anyone noticing to consider it was extraordinarily
low.  Should all implied impacts to the project that slip by the community's notice go unconsidered?

Surely the only relevant fact is that we actually still have time before release to solicit
the community's feedback?  This is something many decisions could have benefited from in the
past.

> Add support for arithmetic operators
> ------------------------------------
>
>                 Key: CASSANDRA-11935
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11935
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: CQL
>            Reporter: Benjamin Lerer
>            Priority: Major
>             Fix For: 4.0
>
>
> The goal of this ticket is to add support for arithmetic operators:
> * {{-}}: Change the sign of the argument
> * {{+}}: Addition operator
> * {{-}}: Minus operator
> * {{*}}: Multiplication operator
> * {{/}}: Division operator
> * {{%}}: Modulo operator
> This ticket we should focus on adding operator only for numeric types to keep the scope
as small as possible. Dates and string operations will be adressed in follow up tickets.
> The operation precedence should be:
> # {{*}}, {{/}}, {{%}}
> # {{+}}, {{-}}
> Some implicit data conversion should be performed when operations are performed on different
types (e.g. double + int).



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