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https://issues.apache.org/jira/browse/HIVE-25338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17382178#comment-17382178
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Naresh P R commented on HIVE-25338:
-----------------------------------
[~zabetak] We return 0 for invalid input. I can return the same for empty input
as well.
> AIOBE in conv UDF if input is empty
> -----------------------------------
>
> Key: HIVE-25338
> URL: https://issues.apache.org/jira/browse/HIVE-25338
> Project: Hive
> Issue Type: Bug
> Reporter: Naresh P R
> Assignee: Naresh P R
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Repro
> {code:java}
> create table test (a string);
> insert into test values ("");
> select conv(a,16,10) from test;{code}
> Exception trace:
> {code:java}
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
> at org.apache.hadoop.hive.ql.udf.UDFConv.evaluate(UDFConv.java:160){code}
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