[jira] [Comment Edited] (IGNITE-13414) JDBC thin: compatibility is broken for versions 2.8-2.9

["Aleksey Plekhanov (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-13414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192294#comment-17192294 ] 

Aleksey Plekhanov edited comment on IGNITE-13414 at 9/8/20, 4:07 PM:
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[~taras.ledkov], [~korlov], can you please review the patch?
I've also changed VER_2_8_1 to VER_2_9_0, since it was introduced in Ignite version 2.9


was (Author: alex_pl):
[~taras.ledkov]], [~korlov], can you please review the patch?
I've also changed VER_2_8_1 to VER_2_9_0, since it was introduced in Ignite version 2.9

> JDBC thin: compatibility is broken for versions 2.8-2.9
> -------------------------------------------------------
>
>                 Key: IGNITE-13414
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13414
>             Project: Ignite
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.9
>            Reporter: Aleksey Plekhanov
>            Assignee: Aleksey Plekhanov
>            Priority: Blocker
>             Fix For: 2.9
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> "User attributes" feature was added by IGNITE-12049, it was added to 2.9 version, but for VER_2_8_0 condition:
> {code:java}
>          if (ver.compareTo(VER_2_8_0) >= 0) {
>             dataPageScanEnabled = nullableBooleanFromByte(reader.readByte());
>             updateBatchSize = JdbcUtils.readNullableInteger(reader);
>             userAttrs = reader.readMap();
>         }
> {code}
> This breaks compatibility between 2.8 and 2.9 versions (both, backward and forward)



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