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https://issues.apache.org/jira/browse/IGNITE-5855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16140229#comment-16140229
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Ilya Kasnacheev commented on IGNITE-5855:
-----------------------------------------

The offender here is H2's ValueDecimal class:

It doesn't override Value's covertTo(), so when it is asked to be converted to 
Java object, it returns
{code}
                return ValueJavaObject.getNoCopy(null,
                        StringUtils.convertHexToBytes(getString().trim()), 
getDataHandler());
{code}

Instead of sensible "if (targetType == JAVA_OBJECT) return value;" as one might 
imagine.

So we will have to do the check outside of H2 code.


> SQL: BigInteger support broken in SQL queries.
> ----------------------------------------------
>
>                 Key: IGNITE-5855
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5855
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.0, 2.1
>            Reporter: Andrew Mashenkov
>            Assignee: Ilya Kasnacheev
>             Fix For: 2.2
>
>         Attachments: BigIntegerKeySqlTest.java
>
>
> Looks like BigInteger support in SQL was broken.
> It works fine on ignite-1.9
> PFA reproducer.



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