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https://issues.apache.org/jira/browse/CASSANDRA-15269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17409299#comment-17409299
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Berenguer Blasi commented on CASSANDRA-15269:
---------------------------------------------

[~blerer] lgtm but I a missing sthg here. What's the benefit of the new PR vs 
the old one, they both seem equally involved. You mention the driver and I am 
not familiar with that side of things so what am I missing? Thx

> Cassandra fails to process OperationExecutionException which causes 
> ClassCastException
> --------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15269
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15269
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL/Interpreter
>            Reporter: Liudmila Kornilova
>            Assignee: Berenguer Blasi
>            Priority: Normal
>             Fix For: 4.0.x
>
>
> While working on CASSANDRA-15232 I noticed that OperationExecutionException 
> is not processed correctly.
> How to reproduce the issue:
>  1. {{create table d (numerator decimal primary key, denominator decimal);}}
>  2. {{insert into d (numerator, denominator) values 
> (123456789112345678921234567893123456, 2);}}
>  3. {{select numerator % denominator from d;}}
> What happens:
>  1. remainder operation throws ArithmeticException (BigDecimal:1854)
>  2. The exception is wrapped in OperationExecutionException
>  3. ClassCastException appears (OperationExecutionException cannot be cast to 
> FunctionExecutionException at ErrorMessage.java:280)
> What should happen:
> OperationExecutionException with message "the operation 'decimal % decimal' 
> failed: Division impossible" should be delivered to user 
> Note that after fixing CASSANDRA-15232 {{select numerator % denominator from 
> d;}} will produce correct result of remainder operation.
>  Currently I am not aware of other cases when OperationExecutionException may 
> be treated as FunctionExecutionException



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