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From "Igor Sapego (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4046) C++: Support DML API
Date Wed, 07 Dec 2016 13:19:58 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15728740#comment-15728740
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Igor Sapego commented on IGNITE-4046:
-------------------------------------

Implemented algorithm that matches {{BinaryArrayIdentityResolver}}'s. When I've tried to implement
{{BinaryFieldIdentityResolver}} I've found out that in Java it calculates hash by applying
hash function to set of the fields hashes. Field hashes in their turn calculated using Java-specific
algorithms and Java data types internal structure. I don't see a way to implement the algorithm,
which is going to be able to the same hash in C++ or any other platform.

> C++: Support DML API
> --------------------
>
>                 Key: IGNITE-4046
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4046
>             Project: Ignite
>          Issue Type: Task
>          Components: platforms
>            Reporter: Denis Magda
>            Assignee: Igor Sapego
>              Labels: roadmap
>             Fix For: 2.0
>
>
> Ignite's Java component will provide support for DML soon (IGNITE-2294). At she same
time DML will be supported at the level of ODBC and JDBC drivers.
> As the next step we should include the similar functionality into Ignite.C++ by doing
the following:
> - Implement DML API;
> - Enhance {{query_example.cpp}} by doing INSERTs instead of cache.puts and adding UPDATE
and DELETE operation examples.
> - Add documentation to Ignite.C++ readme.io covering the feature. Most like most of the
content can be take from the general documentation when this ticket IGNITE-4018 is ready.



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