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https://issues.apache.org/jira/browse/CASSANDRA-11935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15314742#comment-15314742
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Jon Haddad commented on CASSANDRA-11935:
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I'm a +1 on implicit conversions. Personally I'm against CAST as a firm
requirement. I think the most reasonable solution is to have CAST as an
operator for those who want to be explicit, but also support several documented
and reasonable implicit conversions for arithmetic.
> 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
> Assignee: Benjamin Lerer
> Fix For: 3.x
>
>
> 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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