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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/24 10:33:00 UTC
[jira] [Updated] (ARROW-6472) [Java] ValueVector#accept may has
potential cast exception
[ https://issues.apache.org/jira/browse/ARROW-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-6472:
----------------------------------
Labels: pull-request-available (was: )
> [Java] ValueVector#accept may has potential cast exception
> ----------------------------------------------------------
>
> Key: ARROW-6472
> URL: https://issues.apache.org/jira/browse/ARROW-6472
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Ji Liu
> Assignee: Ji Liu
> Priority: Major
> Labels: pull-request-available
>
> Per discussion [https://github.com/apache/arrow/pull/5195#issuecomment-528425302]
> We may use API this way:
> {code:java}
> RangeEqualsVisitor visitor = new RangeEqualsVisitor(vector1, vector2);
> vector3.accept(visitor, range){code}
> if vector1/vector2 are say, {{StructVector}}s and vector3 is an {{IntVector}} - things can go bad. we'll use the {{compareBaseFixedWidthVectors()}} and do wrong type-casts for vector1/vector2.
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