[jira] [Updated] (FLINK-5080) Cassandra connector ignores saveAsync result onSuccess

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-5080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-5080:
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    Labels: pull-request-available  (was: )

> Cassandra connector ignores saveAsync result onSuccess
> ------------------------------------------------------
>
>                 Key: FLINK-5080
>                 URL: https://issues.apache.org/jira/browse/FLINK-5080
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / Cassandra
>    Affects Versions: 1.1.3
>            Reporter: Jakub Nowacki
>            Priority: Major
>              Labels: pull-request-available
>
> When a record is saved to Cassandra it may return a ResultSet to the callback given in the saveAsync; e.g. when we do {{INSERT ... IF NOT EXISTS}}, a ResultSet is returned with column {{applied: false}} if the record exists and the new record has not been inserted. Thus, we loose data in such case. 
> The minimal solution would be to log the result. The best solution would be to add possibility of passing a custom callback; in this way we could deal with a success or failure in more custom way.  Other solution is to add a possibility to pass onSuccess and onFailure functions, which would be executed inside the callback.



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