[jira] [Commented] (IGNITE-4331) Binary marshaller does not preserve component type when deserealizing even basic array typed fields

["Alexander Paschenko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-4331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15705926#comment-15705926 ] 

Alexander Paschenko commented on IGNITE-4331:
---------------------------------------------

Non working query example:

{code:sql}
SELECT byteArrFld FROM SomeObject WHERE someIntFld > 5
{code}

where {{byteArrFld}} is a field of type {{java.lang.Byte[]}} (array of byte wrappers).

> Binary marshaller does not preserve component type when deserealizing even basic array typed fields
> ---------------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-4331
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4331
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: binary
>    Affects Versions: 1.8
>            Reporter: Alexander Paschenko
>             Fix For: 2.0
>
>
> How to reproduce: try to deserialize *single* field having type of {{Byte[]}} or any other primitive wrapper type array. It will be deserialized as {{Object[]}} and won't be suitable even to set the same field's value again - metadata check on object building will fail as required ({{Byte[]}}) and given ({{Object[]}}) types won't match.
> As agreed with [~vozerov], currently we're not fixing it. Probably will get back to this while working on 2.0 release.
> Discovered by [~skozlov] while running SQL DML examples during 1.8 release QA process, exact reasons found by [~al.psc].



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