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From Timo Walther <twal...@apache.org>
Subject Re: Compiler error while using 'CsvTableSource'
Date Mon, 06 Feb 2017 08:58:16 GMT
I created an issue to make this a bit more user-friendly in the future.

https://issues.apache.org/jira/browse/FLINK-5714

Timo


Am 05/02/17 um 06:08 schrieb nsengupta:
> Thanks, Till, for taking time to share your understanding.
>
> -- N
>
> On Sun, Feb 5, 2017 at 12:49 AM, Till Rohrmann [via Apache Flink User 
> Mailing List archive.] <[hidden email] 
> </user/SendEmail.jtp?type=node&node=11443&i=0>> wrote:
>
>     I think the problem is that there are actually two constructors
>     with the same signature. The one is defined with default arguments
>     and the other has the same signature as the one with default
>     arguments when you leave all default arguments out. I assume that
>     this confuses the Scala compiler and only works if you've
>     specified the right types or at least one of the parameters with a
>     default argument.
>
>     Cheers,
>     Till
>
>     On Fri, Feb 3, 2017 at 12:49 PM, nsengupta <[hidden email]
>     <http:///user/SendEmail.jtp?type=node&node=11441&i=0>> wrote:
>
>         Till,
>
>         Many thanks. Just to confirm that it is working fine at my
>         end, here's a
>         screenshot.
>
>         <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/file/n11427/Selection_258.png
>         <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/file/n11427/Selection_258.png>>
>
>         This is Flink 1.1.4 but Flink-1.2/Flink-1.3 shouldn't be any
>         problem.
>
>         It never struck me that lack of covariance in Scala Arrays was
>         the source of
>         the problem. Bravo!
>
>         BTW, I am just curious to know how the Testcases worked: just
>         to add to my
>         knowledge of Scala. We didn't pass any /typehint/ to the
>         compiler there!
>
>         Could you please put a hint of a line or two? TIA.
>
>
>
>
>
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>
>
>
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> -- 
> Software Technologist
> http://www.linkedin.com/in/nirmalyasengupta
> "If you have built castles in the air, your work need not be lost. 
> That is where they should be.
> Now put the foundation under them."
>
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