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Posted to dev@arrow.apache.org by "Ji Liu (Jira)" <ji...@apache.org> on 2019/10/29 12:47:00 UTC

[jira] [Created] (ARROW-7021) [Java] UnionFixedSizeListWriter decimal type should check writer index

Ji Liu created ARROW-7021:
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             Summary: [Java] UnionFixedSizeListWriter decimal type should check writer index
                 Key: ARROW-7021
                 URL: https://issues.apache.org/jira/browse/ARROW-7021
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


{{UnionFixedSizeListWriter}} should check writer index for decimal type (just as other types) to ensure the values written not exceed listSize.

Otherwise, the writer may continue to write data into it’s underlying vector quietly even the the writer.idx() > listSize * index.



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