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https://issues.apache.org/jira/browse/IGNITE-5204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025807#comment-16025807
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Chris Wang commented on IGNITE-5204:
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I do execute the SQL query via the SqlFieldQuery provided in .NET ignite api
and it is continuously hanging when indexed field have Chinese character in its
value. Did your automatically testing is based on .net api? or is there any
possibility that the .net api have same behavior like H2 debug console?
> The Unicode character in the value of a field which are included in an
> un-unique index will cause "stack overhead" exception
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-5204
> URL: https://issues.apache.org/jira/browse/IGNITE-5204
> Project: Ignite
> Issue Type: Bug
> Components: cache, sql
> Affects Versions: 2.0
> Environment: windows server 2012, JDK 1.8, X64
> Reporter: Chris Wang
> Assignee: Sergey Kalashnikov
> Priority: Critical
> Fix For: 2.1
>
>
> When put "草DX009090" as the value of BillId, which is a field of entity
> Bill. If I define a index includes the BillId, and execute the query like
> "select * from Bill where BillId=’草DX009090‘ in the H2 debug console, there
> throws an exception by the H2 with a code 5000.
> another scenario is, I have two entities, "Bill" and "Detail", both have
> field "BillId". If either of them have value like "草DX009090" and execute the
> query like "select bill.* from bill left join detail on
> bill.billid=detail.billid", the whole ignite cache node will halt ( suppose
> there should be an stack overhead exception, dead loop).
> ======================
> I think the issue should relate to hash computing on the unicode character.
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